NCERT BASED SINGLE SENTENCE QUESTIONS : STRUCTURAL ORGANIZATION IN ANIMALS

STRUCTURAL ORGANIZATION IN ANIMALS


1.In unicellular organisms, all functions like digestion, respiration and reproduction

are performed by ____.


A single cell


2.In multicellular organisms functions like digestion, respiration and reproduction

are performed by ____ in a well organized manner.


Different group of cells.


3.The body of a simple organism like ____ is made of different types of cells and

the number of cells in each type can be in thousands.


Hydra

4.The human body is composed of billions of ___ to perform various functions. cells

5.In multicellular animals, a group of similar cells alongwith intercellular substances

perform a specific function. Such an organisation is called ____.


tissue

6.You may be surprised to know that all complex animals consist of only ____ basic

types of tissues.


Four


7._____are organised in specific proportion and pattern to form an organ like

stomach, lung, heart and kidney.


tissues


8.When two or more organs perform a common function by their physical and/or

chemical interaction, they together form _____-


Organ system


9.___,___,___,____split up the work in a way that exhibits division of labour

and contribute to the survival of the body as a whole.


Cells, tissues, organs and

organ systems


10.The structure of the ___ vary according to their function. Therefore, the tissues

are different and are broadly classified into four types : (i) ____, (ii) _____, (iii) ___

and (iv) ___.


Cells; epithelial;

connective ; muscular;

neural

11.We commonly refer to an epithelial tissue as ______ Epithelium

12. On the basis of _____of the cells, simple epithelium is further divided into three

types.


structural modification

13.The three types of simple epithelia are (i) Squamous,

(ii) Cuboidal,

(iii) Columnar

14.Plural form of "Epithelium" Epithelia

There are two types of epithelial tissues namely ____ epithelium and

_____ epithelium


Simple and compound


15.Epithelium which is composed of a single layer of cells and functions as a lining

for body cavities, ducts, and tubes


Simple epithelium

16.Epithelium with two or more cell layers Compound

17.Epithelium which functions as a lining for body cavities, ducts and tubes Simple

18.Epithelium whose main function is to provide protection against chemical and

mechanical stresses


Compound

19.Epithelium which has protective function as it does in our skin Compound

20.The epithelium of proximal convoluted tubule of nephron in the kidney has ____ Microvilli

21.If the columnar or cuboidal cells bear cilia on their free surface they are called __ Ciliated epithelium

IDENTIFY THE TISSUE AS EPITHELIAL ;CONNECTIVE ; MUSCULAR : NEURAL, BASED

ON THE GIVEN CHARACTERISTICS

22.This tissue has a free surface, which faces either a body fluid or the outside

environment and thus provides a covering or a lining for some part of the body.


Epithelial tissue

23.All cells here are held together with little intercellular material. Epithelial tissue

24.These tissues are most abundant and widely distributed in the body

of complex animals.


Connective tissue


25.The cells are compactly packed with little intercellular matrix

26.In nearly all animal tissues, specialised junctions provide both structural

and functional links between its individual cells.


Epithelial tissue


27. They range from soft connective tissues to specialised types,include cartilage,

bone, adipose, and blood.


Connective tissue


IDENTIFY THE GIVEN WITH RESPECT TO SQUAMOUS; CUBOIDAL; COLUMNAR

EPITHELIA

28.It is made of a single thin layer of flattened cells with irregular boundaries. Squamous

29.This epithelium is composed of a single layer of tall and slender cells. Columnar

30.Epithelium is composed of a single layer of cube-like cells. Cuboidal

31.Their free surface may have microvilli Columnar

32.Their function is to move particles or mucus in a specific direction over the

epithelium


Ciliated columnar

33.Their nuclei are located at the base. Columnar

34.They are mainly present in the inner surface of hollow organs like bronchioles

and fallopian tubes.


Ciliated columnar

35.This is commonly found in the tubular parts of nephrons in kidneys Cuboidal

36.They are found in the lining of stomach and intestine and help in secretion and

absorption.


Columnar

37.They are found in the walls of blood vessels squamous

38. This is commonly found in ducts of glands Cuboidal

39.They are found in the and air sacs of lungs squamous

40.They are involved in functions like forming a diffusion boundary. Squamous

41.Its main functions are secretion and absorption Cuboidal

42.Some of the columnar or cuboidal cells get specialised for secretion and are

called ___


Glandular epithelium


43.On the basis of the mode of pouring of their secretions, glands are divided into

two categories namely __,____


exocrine and endocrine

glands.

44.Glandular cells in the goblet cells of the alimentary canal are ___ Unicellular

45.Glandular cells in the salivary glands are __ Multicellular

46.The two types of glandular epithelium are ___ , ___ Unicellular,multicellular

47.Glandular epithelium which consists isolated glandular cells is called __ Unicellular

48.Glandular epithelium which consists cluster of cells Multi cellular

49.Glands secrete mucus, saliva, earwax, oil, milk, digestive enzymes and other cell

products are ___


Exocrine glands

50.Products of Endocrine glands is called __ Hormones.

51.Glands which release their products through ducts or tubes are called ___ Exocrine glands

52.Glands without ducts are called Endocrine glands

53.Glands who secrete their products directly into the fluid bathing the gland Endocrine glands

54.____ epithelium is made of more than one layer (multi-layered) of cells and thus

has a limited role in ___ and ___


Compound; secretion and

absorption

55.Compound epithelium which cover the dry surface of skin Stratified squamous

keratinised epithelium

56.Compound epithelium which lines moist surface of buccal cavity, pharynx, Stratified squmaous non


keratised


57.Compound epithelium which forms the inner lining of ducts of salivary glands

and of pancreatic ducts.


Stratified cuboidal

epithelium


58. ____ types of cell junctions are found in the epithelium and other tissues. These

are called as ___, ___ and ___junctions.


Three; tight, adhereing,

gap

59.Junctions help to stop substances from leaking across a tissue. Tight junctions

60.Junctions which allow rapid transfer of ions, small molecules and sometimes big

molecules.


Gap junctions

61.Junctions which perform cementing to keep neighbouring cells together Adhering junctions

62.Junctions which facilitate the cells to communicate with each other by

connecting cytoplasm of adjoining cells


Gap junctions.


63.They are named ____ tissues because of their special function of linking and

supporting other tissues/organs of the body.


Connective


64.In all connective tissues except ___, the cells secrete fibres of structural proteins

called ___ or ____.


Blood; collagen or elastin

65.The fibres which provide strength, elasticity and flexibility to the tissue are Collagen and elastin

Cells which secrete fibres Fibroblast cells

66.Connective tissue cells secrete modified polysaccharides, which accumulate

between cells and fibres and act as ______


matrix (ground

substance).


67.Connective tissues are classified into three types: (i) ____ connective tissue,

(ii)____connective tissue and (iii) ____ connective tissue


Loose ; Dense ; Specialised


68.Connective tissue which has cells and fibres loosely arranged in a semi-fluid

ground substance is called ___


Loose connective tissue


69.Fibres and fibroblasts are compactly packed in this connective tissue __

dense connective tissues.


Dense connective tissue

70.Loose connective tissue beneath the skin ___ Areolar connective tissue

71.loose connective tissue located mainly beneath the skin. Adipose tissue

72.Dense connective tissue in the skin Dense irregular connective


tissue


73.Tendons connects ___ Skeletal muscles to bones

74.Ligaments connects ___ Bone to bone

75.Orientation of fibres show a regular pattern in this dense connective tissue Dense regular connective


tissue

76.Cells of this tissue (chondrocytes) are enclosed in small cavities within the matrix

secreted by them


Cartilage


77.Loose connective tissue which serves as a support framework for epithelium Areolar connective tissue

78.Tissue which support and protect softer tissues and organs. Bone

79.Orientation of fibres in irregular pattern in this dense connective tissue Dense irregular connective


tissue

80.The cells of this tissue are specialized to store fats. Adipose tissue

81.collagen fibres are present in rows between many parallel bundles of fibres in

this dense connective tissue


Dense regular connective

tissue


82.Loose connective tissue which contains fibroblasts , macrophages and mast

cells.


Areolar connective tissue


83.Connective tissue in the tip of nose, outer ear joints, between adjacent

bones of the vertebral column, limbs and hands in adults.


Cartilage (specialized

connective tissue )


84.Most of the cartilages in vertebrate embryos are replaced by ___ in adults. Bones

85.Cartilage , bone and blood are belongs to this type of connective tissue Specialized connective


tissue


86.Areolar and adipose connective tissue are belongs to this type of connective

tissue __


Loose connective tissue


87.They also interact with skeletal muscles attached to them to bring about

movements. "they" means


Bones


88.Dense connective tissue in tendons and ligaments __ Dense regular connective


tissue

89.It is the main tissue that provides structural frame to the body. Bone

90.The excess of nutrients which are not used immediately are converted into fats

and are stored in this tissue.


Adipose tissue


91.Dense connective tissue which has fibroblasts and many fibres (mostly collagen)

that are oriented differently


Dense irregular connective

tissue .

92.The intercellular material of ____ is solid and pliable and resists compression. Cartilage

93.Hard and non-pliable ground substance rich in calcium salts and collagen fibres is

present in ___


Bone


94.___ is a fluid connective tissue containing plasma, red blood cells (RBC), white

blood cells (WBC) and platelets .


Blood

95.Each ___ is made of many long, cylindrical fibres arranged in parallel arrays. Muscle

96.The bone cells which are present in the spaces called lacunae are ___ Osteocytes

97.In general,____ play an active role in all the movements of the body. Muscles

98.Cells in the matrix of cartilage are called ___ Chondrocytes

99.Muscle fibres are composed of numerous fine fibrils, called ____ Myofibrils

100.Each organ in our body is made of one or more type of tissues (true/false) True

101.The _____ in some bones is the site of production of blood cells. Bone marrow

102.Muscle fibres ____ (shorten) in response to stimulation, then ____ (lengthen)

and return to their uncontracted state in a coordinated fashion.


Contract;relax

103.The three types of muscles are ____,_____,____. Skeletal, smooth, and


cardiac

104. Their action moves the body to adjust to the changes in the environment and

to maintain the positions of the various parts of the body.


Muscle

105.Bones have a _______ground substance rich in calcium salts and collagen fibres

which give bone its strength


Hard and non pliable


106.____ is the main circulating fluid that helps in the transport of various

substances.


Blood

107.Limb bones, such as the ____ of the legs, serve weight-bearing functions. Long bones

108._____ muscle tissue is closely attached to skeletal bones. Skeletal

109.We usually are not able to make it contract merely by thinking about it as we

can do with skeletal muscles. The statement is opt for this muscle tissue


Smooth and cardiac

muscle tissue

110.If muscle fibres taper at both ends it can be considered as ___ Fusiform

Muscles in biceps are Skeletal muscles

111.The wall of internal organs such as the blood vessels, stomach and intestine

contains this type of muscle tissue.


Smooth mucles

112.Muscle tissue which is a contractile tissue present only in the heart. Cardiac

113.Units of Neural system are Neurons

114.Type of Muscle tissue which do not show striations Smooth muscles

115.Communication junctions at some fusion points allow the cells to contract as a

unit, i.e., when one cell receives a signal to contract, its neighbours are also

stimulated to contract. Type of tissue with this feature


Cardiac muscle


116.Muscles which are ‘involuntary’ as their functioning cannot be directly

controlled.


Smooth and cardiac

muscle tissue

117.Communication junctions cardiac muscle fibres are called as ___ Intercalated discs.

118.Type of muscle tissue which muscles are bundled together in a parallel fashion Skeletal muscles

119.Tissue with excitable cells Neural tissue

120.Type of muscle tissue which muscle fibres taper at both ends smooth muscle fibres

121.The tissue Which exerts the greatest control over the body’s responsiveness to

changing conditions.


Neural tissue


122.Type of muscle tissue which a sheath of tough connective tissue encloses

several bundles of muscle fibres


Skeletal muscle tissue


123.The _____ cell which constitute the rest of the neural system protect and

support neurons.


Neuroglial


124.Type of muscle tissue which Cell junctions hold them together and they are

bundled together in a connective tissue sheath.


Smooth muscle tissue


125.Type of muscle tissue Cell junctions fuse the plasma membranes of muscle

cells and make them stick together


Cardiac muscle tissue


126.____ make up more than one half the volume of neural tissue in our body Neuroglia

127.When a neuron is suitably stimulated, an electrical disturbance is generated Plasma membrane


which swiftly travels along its _____.

128.Arrival of the disturbance at the neuron’s endings, or ___ zone, triggers events

that may cause ____ or ____ of adjacent neurons and other cells


Output ; stimulation ;

inhibition


129.The basic tissues like epithelial/connective/muscular/neural will organise to

form ____ which in turn associate to form _____ in the multicellular organisms.


Organs; organ systems


130.Such an organisation is essential for more efficient and better coordinated

activities of millions of cells constituting an organism. Such an organisation is


Organ system

131.Tissues in heart are ( Epithelial/connective/muscular /nervous) All four types

132.Complexity in organ and organ systems displays certain discernable trend. This

discernable trend is called ______.


Evolutionary trend


133. Morphology and anatomy of three organisms like earthworm, cockroach,and

frog are at different evolutionary levels in their organisation and

functioning.(true/false)


True


134.In the case of plants or microbes, the term morphology precisely means ____ study of form or externally


visible features.

135.In case of animals Morphology refers to ____ external appearance of

the organs or parts of the

body.

136.The word ____conventionally is used for the study of morphology of internal

organs in the animals.


Anatomy


EARTHWORM COCKROACH FROG


IDENTIFY THE ANIMAL AS EARTHWORM , FROG , COCKROACH BASED ON THE

GIVEN STATEMENTS.

137.Long cylindrical body Earthworm

138.Brown or black bodied animal Cockroach

139.Bright yellow , red and green colored animals Cockroach

140.Body is segmented and divisible into 3 distinct regions ; head, thorax, abdomen Cockroach

141.Body is divided into more than 100 short segments which are similiar Earthworm

142.Body is divisible into head and trunk Frog

143.Nocturnal omnivores that live in damp places throughout out the world. Cockroach

144.Color of the dorsal side of the body is generally olive green with dark irregular

spots


Frog


145.Dorsal surface of the body is marked by a dark mid dorsal line along the

longitudinal axis of the body.


Earthworm

146. Entire body is covered by a hard chitinous exoskeleton . Cockroach

147. Skin is smooth and slippery due to the presence of mucus Frog

148. Anterior end consists of mouth and prostomium Earthworm

149. Ventral surface distinguished by the presence of genital openings . Earthworm

150. Ventral side of the skin is uniformly pale yellow. Frog.

151.`Segments of earthworm are called Metameres

152.Location of genital openings in earthworm (Dorsal/ventral) Ventral

153.Dark mid dorsal line of the earthworm represents Dorsal blood vessel

154.A lobe which serves as a covering for the mouth in earthworm is Prostomium

155.The first body segment of earthworm is called Peristomium

156.Structure of earthworm which acts as wege to force open cracks in the soil into

which the earthworm may crawl


Prostomium

157. Peristomium is also called Buccal segment

158. Mechanical function of prostomium Acts as wedge

159. Opening of the buccal segment Mouth

160. Physiological function of prostomium Sensory in function

161.Prominent dark band of glandular tissue in mature earthworm is called Clitellum

162.In a mature worm, segments ____ are covered by a prominent dark band of 14-16 ; clitellum


glandular tissue called ____.

163. Four pairs of spermathecal apertures are situated on the ___-lateral sides of

the intersegmental grooves, i.e., segments.


Ventro ; 5th -9th

164.A single female genital pore is present in the mid- ___ line of ___ segment. Ventral ; 14th

165.A pair of male genital pores are present on the ___-lateral sides of the ___

segment.


Ventro; 18th

166.Numerous minute pores called ____open on the surface of the body. nephridiopores

167.In each body segment, except the __, ___ and ___, there are rows of S-shaped

setae, embedded in the epidermal pits in the middle of each segment.


First; last ; clitellum

168. Setae can be extended or retracted. Their principal role is in ____. locomotion

169. The body wall of the earthworm is covered externally by a thin ___cuticle

below which is the ___, two muscle layers (___ and ___) and an innermost ___.


Non – cellular ; epidermis ;

circular and longitudinal ;

coelomic epithelum


170. The epidermis is made up of a single layer of ____epithelial cells which contain

____ cells.


Columnar; secretory gland


171. The alimentary canal is a straight tube and runs between ___ to ___ segment

of the body.


First ; last


172. Terminal Mouth ; ___: muscular pharynx ;small narrow tube ____; muscular

gizzard


Buccal cavity ;

Oesophagus

173. Glands of the stomach which neutralise the humic acid present in humus __ Calciferous glands

174. Portion of gut helps in grinding the soil particles and decaying leaves etc. __ Gizzard

175. A pair of short and conical ____ project from the intestine on the 26th

segment.


Inestinal caecae

176. Internal median fold of dorsal wall of intestine is called ___ Typhlosole.

177. The alimentary canal opens to the exterior by a small rounded aperture called

___.


Anus

178. The ingested organic rich soil passes through the digestive tract where ____

breakdown complex food into smaller absorbable units.


Digestive enzymes


179. Contractions keep blood circulating in ___ direction. One

180. Types of nephridia which opens into the intestine in Pheritima (Enteronephric

type )


Pharyngeal and Septal

nephridia

181. Nature (function) of blood cells in Pheritima __ Phagocytic

182. Nephridia which opens outside through minute pores in pheritima (exonephric

type)


Integumentary nephridia


183. Blood cells and haemoglobin in Pheritima is produced from ___ Blood glands

184. Location of haemoglobin in Pheritima ___ Dissolved in plasma

185. Nephridia with funnel Or nephrostome in pheretima (Open type) Septal nephridia

186. Nephridia without nephrostome in pheretima (closed type) Pharyngeal and

integumentary nephridia


187. Nephridia which are arragned in the form of tufts Pharyngeal

188. Type of circulatory system in Pheretima (closed/open) Closed

189. Blood vascular system of Pheretima includes ___,____, and ___. blood vessels, capillaries


and heart.


190. Three body segments of earthworm divided into 3 regions , based on the

clitellum Thus the body is divisible into three prominent regions


preclitellar, clitellar and

postclitellar segments .

191. The food of the earthworm is ___ and ___ mixed with soil. Decaying leaves ; organic


matter


192. Structure of intestine which increases the effective area of absorption in the

intestine.


Typhlosol

193. Smaller blood vessels supply the gut, nerve cord, and the body wall.(true/false) true

194. Blood glands produce RBC (true/false) False

195. Earthworms lack specialised breathing devices. (True/false) True


196. The three different types of nephridia are basically similar in structure in

pheritima (True /false)


True


197. Respiratory exchange occurs through _____ into their blood stream Moist body surfacfe

198. The excretory organs occur as segmentally arranged coiled tubules called __. Nephridia

199. A nephridium starts out as a ___that collects excess fluid from coelomic

chamber


Funnel

200. Structures which produce blood cells and haemoglobin in pheritima Blood glands.

201.Nervous system is basically represented by ____ arranged segment wise on the

_____.


Ganglia ; ventral paired

nervecord

202. Number of types of nephridia in pheritima Three

203. Name the different types of nephridia in pheritima Septal, pharyngeal,

integumentary


204. Type of nephidia present on both the sides of intersegmental septa of

segment 15 to the last that open into intestine


Septal nephridia


205. Type of nephridia, present as three paired tufts in the 4th, 5th and 6th

segments


Pharyngeal nephidia


206. Type of nephridia attached to lining of the body wall of segment 3 to the last

that open on the body surface


Integumentary nephridia

207. Due to closed circulatory system, blood is confined to the ___and ___. Heart and blood vessels

208. The ____ connects with a ____ part of the nephridium which delivers the

wastes through a pore to the surface in the body wall chamber into the ___ tube


Funnel; tubular ; Digestive


209. The nerve cord in the anterior region (__ and ___segments) bifurcates,

laterally encircling the pharynx and joins the ___dorsally to form a nerve ring.

3

rd and 4th ; cerebral

ganglia


210. The ___ ganglia along with other nerves in the ring integrate sensory input as

well as command ___responses of the body


Cerebral ; muscular


211.Sensory system does not have eyes but does possess ___ and ___ sensitive

organs (receptor cells) to distinguish the light intensities and to feel the vibrations in

the ground..


Light ; touch ;


212.Worms have specialised __receptors (taste receptors) which react to chemical

stimuli. These sense organs are located on the ___ part of the worm


Chemo ; anterior

213.Structures regulate the volume and composition of the body fluids Nephridia

214. Identify the structues based on the function : Produce sperms ; Receive sperms

from testes ; carries sperms towards prostate gland


Testes; spermiducal

funnels ; vasa deferentia


215.Earthworm is (unisexual/bisexual ) Bi sexual

216.Hermaphrodite mean Bi sexual

217. Testes --→ spermiducal funnels ---→ ___ ---→ joins prostatic duct

218. Prostate duct + vasa deferentia ---→ Common prostate

spermatic duct

219. Strucutes who receive and store spermatozoa during copulation Spermathecae

220. One pair of ___ is attached at the inter-segmental septum of the 12th and 13th

segments. ____ are present beneath the ovaries which continue into ___, join

together and open on the ventral side as a single median ____.


Ovaries ; ovarian funnels;

oviducts ; female genital

pores.


221. Common prostate spermatic duct opens out through Male genital pores

222. A mutual exchange of ___occurs between two worms during mating. The

cocoon holds the worm embryos.


sperms


223. One worm has to find another worm and they mate ___ opposite gonadal

openings exchanging packets of sperms called ____.


Juxtaposing ;

spermatophores


224. Mature sperm and egg cells and nutritive fluid are deposited in ___produced

by the gland cells of ___.


Cocoons; clitellum

225.Fertilisation and development occur within the ___ which are deposited in __. Cocoons; soil

226. The ova (eggs) are fertilised by the sperm cells within the ___ which then slips

off the worm and is deposited in or on the ___.


Cocoon ; soil


227. After about __ weeks, each cocoon produces ____ baby worms with an

average of ___.


3 ; 2 to 20 : four

228. Development of earthworms is (direct/Indirect), i.e., there is no larva formed Direct

229. If there is no larva formed during development such development is called Direct development

230. Development occurs through larval form , such development is called Indirect development.

Mention the segments for the given structures of Pheritima

231. 1st ; last ; 3rd segment to last segment ; 12/13 segment to last segment Mouth; Anus ; Nephridio

pores ; Dorsal pores

232. Spermathecal pores ; Genital papillae 5/6,6/7,7/8,8/9 ;; 17th and

19th ventro lateral

233. Female genital pore ; Male genital pore 14th ventro middle ; 18th


ventro lateral

234. Segments of Pre clitellar region ; Clitellar region ; Post clitellar region 1-13 ; 14-16 ; 17 to last

235. Setae Expect 1st , last segment

and clitellar region

236. Alimentary canal 1st to last segment of the


body


237. Buccal cavity ; pharynx ; oesophagus ; gizzard ; stomach 1-3 ; 4 ; 5-7 ; 8 ; 9-14

238. Calciferous glands ; sense organs ; nerve ring 9-14 ; anterior part; 3&4

239. Intestine 15 to last ;

240. Typhlosol 26 to last except last 23rd

-25th segments.

241. Pre typhlosolar region ; Typhlosolar region ; post typhlosolar region 15 -26 ; 26 to last except

last 23rd -25th segments.;

last 23or 25


242. Intestinal caecae ; Blood glands ; Pharyngeal nephridia 26th segment ; 4,5,6 ; 4,5,6


segments

243. Integumentary nephridia; Septal nephridia ; testes ; ovary 3


rd to last ; 15th to last ; 10

,11; 13


244. Vasa deferentia ; prostate duct ; accessory glands ; common prostate

spermatic duct


12-18 ; 18 ; 17,19 ; 18

245. Spermathecae ; ovarian funnels ; oviducts 6,7,8,9; 13 ; 13,14.

246. Earthworms are known as ‘____’ because they make burrows in the soil and

make it porous which helps in ____ and ___ of the developing plant roots.


Friends of farmers ;

respiration ; penetration

247. The process of increasing fertility of soil by the earthworms is called ___. Vermicomposting

248. Earthworms are used as ___ in game fishing. Bait

249. Cockroaches are brown or black bodied animals that are included in class __ of

Phylum _____.


Insecta;Arthropoda


250. Bright yellow, red and green coloured cockroaches have also been reported

in ___


Tropical regions

251. On an average, females produce ___oothecae, each containing ____ eggs. 9 – 10 ; 14 – 16

252. Cockroach size ranges from 1⁄4 inches to 3 inches (0.6-7.6 cm) and have long

antenna, legs and flat extension of the upper body wall that conceals ___.


1/4 ; 3 ; 0.6 -7.6 ; Head


253. Cockroach have become residents of human homes and thus are serious pests

and ____ vectors of several diseases. (Biological /mechanical)


Mechanical


254. Common species of cockroach are Periplaneta americana

255. Wings that extend beyond the tip of abdomen in (male/female) Male

256. The three tagmata of cockroach are Head , thorax , abdomen

257. Length of male cockroach along with wing s 34-53 mm

258. Colour of exoskeleton in cockroach Brown

259. Hardened plates of exoskeleton are Sclerites

260. Structure which absorb nitrogenous waste products and convert them into Malpighian tubules


uric acid which is excreted out through the hindgut.

261. Sclerite plates of cockroach on dorsal side of the body are called as __ Tergites

262. Sclerite plates of cockroach on ventral side of body are called as ___ Sternites

263. Flexible articular membrane present between terigites is Arthroidal membrane

264. Flexible articular membrane present between sternites is Arthroidal membrane

265. Every segment of cockroach , covered by exoskeletal sclerites plates named

dorsally as ___,ventrally as_____, laterally as ____


Tergum, sternum, pleuron


266. In the head of cockroach a pair of thread like ___ arise from membranous

sockets lying in front of ___..


Antennae ; eyes

267. Shape of head in cockroach Tringular

268. Location of the head in cockroach Right angles to the

longitudinal body axis.


269. Number of segments which head of cockoach is formed with ___ Six

270. Condition of head segments in cockroach (Fused/separate ) Fused

271. Head shows great mobility in all direction due to _____ Flexible neck

272. Structure for vision in cockroach which head capsule bear a pair of ___ Compound eyes

273. Out growths of the body of cockroach are called ___ Appendages

274. Type of mouth parts in cockroach ____ Biting and chewing type

275. Thread like structures of head which have sensory receptors that help in

monitoring the environment


Antennae


276. Appendages of head in cockroach are ___ Antennae, mouth parts

277. Wings called tegmina which are opaque dark and leathery are ___ Fore wings

278. Paired mouth parts of cockroach are ___ Mandible, maxillae

279. Unpaired mouth parts of cockroach Labrum, hypopharynx,


labium

280. Mouth part considered as upper lip Labrum

281. Mouth part which is considered as lower lip Labium

282. Each thoracic segment bears a pair of _____. Walking legs

283. ___has an outer layer of thick circular muscles and thick inner cuticle forming

six highly chitinous plate called teeth.


Gizzard


284. The first pair of wings arises from ___ and the second pair from ____. Mesothorax, metathorax.

285. Blood vessels of cockroach opens into ____ Haemocoel.

286. Elongated muscular tube lying along mid dorsal line of thorax and abdomen

is __


Heart

287. Forewings (mesothoracic) and cover the _____ when at rest. Hind wings.

288. If the head of a cockroach is cut off, it will still live for as long as one week.

Why ?


The head holds a bit of a

nervous system while the

rest is situated along the

ventral part of its body.


289. Part of gut which helps in grinding the food particles. Gizzard

290. Part of gut used for storing of food. Crop

291. Structures which help in removal of excretory products from haemolymph. Malpighian tubules.

292. Transparent ,membranous wings in cockroach are ___ . Hind wings.

293. Median flexible lobe, acts as tongue in cockroach is __ Hypopharynx

294. Three parts of thorax are ___ Prothorax, mesothorax,


metathorax


295. The head is connected with thorax by a short extension of the ____known as

the neck


Prothorax

296. Number of pairs of legs in cockroach ___ Three

297. ___lies within the cavity enclosed by the mouth parts. Hypopharynx

298. Number of pairs of wings in cockroach ___ Two

299. Fore wings of cockroach are called as ____ based on their arising location. Mesothoracic wings


300. Hind wings of cockroach are called as ____ based on their arising location. Metathoracic wings.

301. Wings for flight in cockroach ___ Hind wings

302. Wings for the protection in cockroach ___ Fore wings

303. Thoracic without wings ___ Prothorax

304. Thoracic segments with wings and legs ___ Mesothorax , meta thorax.

305. Number of segments in abdomen in both male and female respectively __ 10 and 10

306. In ___, _____ pouch or chamber lies at the hind end of abdomen bounded

dorsally by __th and ___th terga and ventrally by the ___th sternum


Males : genital ; hind ; 9th

,10th ; 9th


307. In _____, the 7th sternum is ____ shaped and together with the 8th and 9th

sterna forms a brood or genital pouch whose anterior part contains ____ gonopore,

______ pores and ____ glands.


Females ; boat shaped ;

brood or genital; female;

spermathecal ; collateral


308. Genital pourch or chamber in male contains dorsal ____, ventral____pore

and _____.


Anus; male genital ;

gonapophysis


309. Heart of cockroach consists It is differentiated into ___ shaped chambers with

___ on either side.


Funnel ; ostia

310. Males bear a pair of short, threadlike _____ which are absent in females. Anal style.

311 . In both sexes, the 10th segment bears a pair of jointed filamentous structures

called ____.


Anal cerci.


312. Sexual dimorphic character of cockroach with respect to abdominal

appandage ___


Anal style.


313. The alimentary canal present in the body cavity is divided into three regions:

___, ___ and ___ .


Fore gut; mid gut; hind

gut.

314. Identify the parts of gut based on given characteristics: A. short tubular ; B.

Narrow tubular passage ; C. Sac like structure ; D. Highly muscular


A. pharynx : B.Oesophagus

C. Crop D. Gizzad.


315.Arrange these in sequence A. Mouth B. oesophagus C. Pharynx D. Gizzard E.

Crop F. ventriculus G. Ileum H. Rectum I . colon.


ACBEDFGIH

316.Gizzard of cockroach is also called as ___ Proventriculus

317.The entire foregut is lined by ____. cuticle

318.A ring of 6-8 blind tubules called ___or ___ caeca is present at the junction of

___ and ____, which secrete ____.


Hepatic or gastric ; Fore

gut ; midgut ; digestive

juice.


319.At the junction of ____ and ____is present another ring of 100-150 yellow

coloured thin filamentous ______.


Midgut; hind gut ;

Malpighian tubules.


320.The hindgut is broader than ____ and is differentiated into ___, ___and ___.

The ____ opens out through anus.


Mid gut ; Ileum , colon,

rectum ; rectum.

321. Visceral organs located in the ___coel are bathed in ___ (haemolymph). Haemo; blood .

322. Type of blood vascular system in cockroach (Open /closed ) Open type

323. Condition of blood vessels in cockroach ___ Poorely developed.

324. Blood filled body cavity cockroach is called as ____ Haemocoel

325. Blood of cockoach is called as ____ Haemolymph

326. Respiratory pigment in cockroach is _________(present/absent) Absent.

327. Blood from sinuses enter heart through ___ and is pumped anteriorly to ____

again


Ostia; sinuses

328. The haemolymph is composed of colourless ___ and ____. Plasma ; Haemocytes.

329. Number of chambers in the heart ___ 13

330. Opening of heart chambers is called ___ Ostia

331. The sinus or cavity of cockroach which enclosed the heart ___ Pericardial sinus

332. The sinus or cavity of cockroach which encloses visceral organs like gut ___ Perivisceral sinus

333. The sinus or cavity of cockroach which enclsoes double ventral nerve cord __ Peri neural sinus.

334. Muscles of cockroach which are assoicated with heart ___ Allary muscles.

335. Major excretory organs of cockroach are ____ Malpighian tubules

336. Additional excretory structures of cockroach are ___,____,_____ fat body, nephrocytes and


urecose glands


337. The respiratory system consists of a network of ___, that open through __

pairs of small holes called ___present on the ___ side of the body.


Trachea; 10; spiracles;

lateral

338. Thin branching tubes which carry oxygen from the air to all the parts are __ Tracheoles.

339. Tracheal tubes of cockroach are subdivided into _____ Tracheoles.

340. Opening of the spiracles is regulated by the ___.. Sphinctors.

341.Exchange of gases take place at the ____ by diffusion Tracheoles

342. Each Malpighian tubule is lined by ____ and ____ cells. Glandular and ciliated

343. Excretory material of cockroach ____ Uric acid

344. Based on the excretory waste cockroach is considered as ______ animal Uricotelic

345. The nervous system of cockroach consists of a series of fused, segmentally

arranged ____ joined by paired ______ on the ___side.


Ganglia ; longitudinal

connectives ; ventral


346. Number of segmental ganglia in thorax of cockroach Three

347. Number of segmental ganglia in abdomen of cockroach six

348. The ____ holds a bit of a nervous system while the rest is situated along the

___ (belly-side) part of its body. Each eye consists of about 2000 hexagonal

ommatidia (sing.: ommatidium).


Head ; ventral


349. In the head region, the brain is represented by _____ ganglion which supplies

nerves to ____ and _____.


Supra – oesophageal ;

antennae ;compound eyes

350. Sense organs of the head region in cockroach are __ Antennae,eyes, maxillary

palp, labial palp

351. Abdominal appendage which acts as sense organ Anal cerci.

352. Portions of mouth parts which acts as sense organ are___ Maxillary palp, labial palp

353. The compound eyes are situated at the ___ surface of the head. Dorsal

354. Number of ommatidia in the compound eye of cockroach ___ 2000

355. Shape of each ommatidium ___ Hexagonal

356. With the help of several ommatidia, a cockroach can receive several images of

an object. This kind of vision is known as ___ vision with more ___but less ___,

being common during night (hence called ___ vision).


Mosaic ; sensitivity ;

resolution ; nocturnal


357. Cockroaches are (Monoecious/dioecious) Dioecious

358. Cockroaches are (Uni sexual /Hermaphrodite ) Uni sexual

359. Male reproductive system consists of a pair of testes one lying on each lateral

side in the ____ abdominal segments.


4

th and 6th


360. Arrange these in sequence A. vas deferens B. Testes C. ejaculatory duct D.

seminal vesicle E. Male gonopore


BADCE

361. The nervous system of cockroach is spread throughout the body.(True/false) True

362. A characteristic mushroom shaped gland is present in the ___ abdominal

segments which functions as an accessory reproductive gland


6

th

-7

th

363. From each testis arises a thin ___, which opens into ___ duct through ___. The

ejaculatory duct opens into male gonopore situated ventral to ___.


Vas deferens; ejaculatroy

duct; seminal vesicle; anus


364. The female reproductive sysytem consists of two large ovaries, lying laterally

in the ____ abdominal segments.


2

nd

- 6

th

365. Chitinous asymmetrical structures, surrounding the male gonopore are __ Gonapophysis or

phallomere


366. Oviducts of each ovary unite into a single median oviduct (also called ___)

which opens into the genital ___.


Vajina ; genital chamber


367. The sperms are stored in the ___ and are glued together in the form of bundles

called ____which are discharged during copulation.


Seminal vesicles;

spermatophores


368. Each ovary is formed of a group of ___ovarian tubules or ____, containing a

chain of developing __.


8 ; ovarioles ; ova

369. External genitalia of male cockroach are _____ Gonapophysis or

phallomere


370. A pair of spermatheca is present in the ___segment which opens into the ____. 6


th ; genital chamber

371. Spermatheca is the characteristic feature of (male/female cockroach) Female cockroach

372. Fertilized eggs are encased in capsules called_____. Oothecae.

373. Sperms of male are transferred into female throughspermatophores.

(true/false)


True

374. Sperms of male are transferred into female with spermatophores (True/false) False

375. The nymphs look very much like adults. (True/false) True

376. All nymphal stages are without wings except last nymphal stage. (True/false) False

377. Many species of cockroaches are wild and are of no known economic

importance yet. (True/false)


True

378. ____ is a dark reddish to blackish brown capsule, about 3/8" (8 mm) long. Ootheca

379. ____are dropped or glued to a suitable surface, usually in a crack or crevice of

high relative humidity near a food source.


Ootheca


380. The development of P. americana is _____, meaning there is development

through nymphal stage.


Paurometabolous


381. If the development occurs through larval stages, such development of insects

is called


Holometabolous


382. If the young one look like adult (almost) and little change required to develop

an adult , such development in insects is called


Paurometabolous

383. The nymph grows by ____about __ times to reach the adult form. Moulting ; 13

384. The next to last nymphal stage has ___ but only adult cockroaches have wings. Wing pads

385. A few species of cockroach thrive in and around human habitat. They are pests

because they spoil food and contaminate it with their smelly excreta..


Pests ; excreta


386. Cockroaches can transmit a variety of _____ diseases by contaminating food

material


Bacterial


387.


Moulting

hatching about 13 times Egg Nymph Adult  


; Such development is called Paurometabolous

metamorphosis

388. Type of fertilization in cockroach (External/Internal) Internal

389. Secretion of ______ forms ootheca around fertilized eggs. Collateral glands

390. Fill the sequence with respect to cockroach ; Testes -→ A ---→ Ejaculatory

duct --→ B --→ Female genital pore ---→ C of female --→ Gynatrium -→ oothecal

chamber --→ Release out into damp places .


A. Vasa deferentia ,

B.Male genital pore ,

C.Spermatheca

391. The skin of Frog is always maintained in a moist condition.(true/false ) True

392. Sinus venosus of frog lies on the ventral side of heart and conus arteriosus on

dorsal side (true /false)


False

393. The frog never drinks water but absorb it through the skin. (true/false ) True

394. Adult frog bear neck but do not bear tail (true/false ) false

395. Ventricle of Frog pumps mixed blood (True/false) True

396. Digits of hind limbs are larger and muscular than digits of fore limbs

(true/false)


True

397. Blood vascular system of frog is poorly developed and open type (true/false) False

398. Frogs have a lymphatic system also. (true/false) True

399. The body cavity of frogs accommodate different organ systems such as

digestive, circulatory, respiratory, nervous, excretory and reproductive systems with

well developed structures and functions . (true/false )


True


400. The skin of frog is smooth and slippery due to the presence of ___. Mucus

401. Paired openings of frog above the mouth A pair of nostrils

402. Eyes are bulged and covered by a ______ that protects them while in water. Nictitating membrane

403. On either side of eyes a membranous ______ (ear) receives sound signals Tympanum

404. The ____ and ____ help in swimming, walking, leaping and burrowing. Fore limbs and hind limbs

405. The hind limbs end in ____ digits and they are larger and muscular than fore

limbs that end in ___ digits.


Five ; four


406. Feet have ____ digits that help in swimming. Webbed

407. Frogs exhibit sexual dimorphism means Can be differentiated male

frog to female externally

408. Location of copulatory pads in frog First digit of fore limbs of


male

409. Number of chambers in the heart of Frog ____ Three

410. Sound producing structures which are exclusive for male frog are Vocal sacs

411. Peritoneal membrane which covers the heart is ___ Peri cardium

412. The morphological characters of male frog which differentiate them from

female


Vocal sacs, copulatory

pads

413. The digestive system consists of ___and____. Digested food is absorbed by the

numerous finger-like folds in the inner wall of intestine called villi and microvilli. The

undigested solid waste moves into the rectum and passes out through cloaca.


alimentary canal ;

digestive glands


414. The alimentary canal is ____ because frogs are ____ and hence the length of

intestine is ____.


Short ; carnivores ;

reduced


415. The mouth opens into the ___ that leads to the _____through _____. Buccal cavity ;oesophagus;


pharynx


416. ______is a short tube that opens into the ____ which in turn continues as the

___, rectum and finally opens outside by the ____.


Oesophagus ; stomach ;

intestine ; cloaca

417. _____ secretes bile that is stored in the _____. Liver ; gall bladder

418. ______, a digestive gland produces pancreatic juice containing digestive

enzymes.

419. Food is captured by the bilobed ____. Tongue .

420. Digestion of food takes place by the action of ____ and ____ secreted from

the walls of the stomach.


HCl ; gastric juices


421. Partially digested food called _____is passed from stomach to the first part of

the small intestine, the ____.


Chyme ; duodenum


422. The duodenum receives bile from gall bladder and pancreatic juices from the

pancreas through a _______.


Common bile duct


423. ___ emulsifies fat and ____ digest carbohydrates and proteins. Final digestion

takes place in the intestine.


Bile ; pancreatic juices

424. Frogs respire on ___ and in the ____ by two different methods Land ; water

425. In water, ___ acts as aquatic respiratory organ. Skin

426. Dissolved oxygen in the water is exchanged through the ___ by diffusion. Skin

427. On land, the ____, ___ and ___ act as the respiratory organs. Buccal cavity; skin ; Lungs

428. Mode of respiration during aestivation in Frog Cutaneous respiration

429. During inspiration air enters through nostrils into the ___ and then into ___ Buccal cavity; lungs

430. During expiration air exit from lungs into the ____and then into ___ Buccal cavity ; lungs

431. Mode of respiration during hibernation in Frog Cutaneous respiration

432.The vascular system of frog is well-developed ____ type.(closed /open) Closed

433.Respiration through skin in frog is called ___ Cutaneous respiration

434. The ____ system involves heart, blood vessels and blood. Blood vascular

435.The respiration by lungs is called ____. Pulmonary respiration

436.The ____system consists of lymph, lymph channels and lymph nodes. Lymphatic

437.The ____ are a pair of elongated, pink coloured sac-like structures present in

the upper part of the trunk region (thorax).


Lungs ; thorax


438. A muscular structure of blood vascular system situated in the upper part of

the body cavity is __


Heart

439. Number of atria and number of ventricles in the heart of frog respectively __ Two and one

440. Major veins which collects the de oxygenated blood from the body parts __ Vena cava

441.The lymph is different from blood. It lacks ____ and ____s. Few proteins; RBC

442.The blood from the heart is carried to all parts of the body by the __ Arteries ; arterial


(___system).

443.The ____ is composed of plasma and cells. Blood

444. The ___ collect blood from different parts of body to the heart and form the

____ system.


Veins ; venous

445. The ventricle opens into a saclike _____on the ventral side of the heart. Conus arteriosus

446. Special venous connection between liver and intestine as well as the kidney

and lower parts of the body are present in frogs. The former is called ____system

and the latter is called _____system.


Hepatic portal ; renal

portal

447. A triangular structure called _____ joins the right atrium in Heart . Sinus venosus

448. The blood cells are of Frog are ____,____, _____ RBC , WBC , Platelets

449. Erythrocytes, Leucocytes are also called __ , ___ RBC ; WBC

450. The blood carries nutrients, gases and water to the respective sites during

the ___


Circulation.


451. The circulation of blood is achieved by the pumping action of the muscular

heart.


Muscular heart


452.Type of circulation in Frog (Single /Incomplete double /Complete double

circulation)


Incomplete double

circulation

453.Right atria of frog collects (oxygenated/deoxygenated blood) De oxygenated blood

454.Left atria of Frog collects (oxygenated/deoxygenated blood) Oxygenated blood

455.Right atria collects the blood from ___ , collects with the help of ___, ____, and

joins together forma a single duct called ______ which opens


Body parts; superior vena

cava ; Inferior vena cava ;

sinus venosus

456.Left atria collects the blood from ____,____ collects with the help of ____ Lungs; skin;

Pulmocutaneous vein


457. The elimination of nitrogenous wastes is carried out by a well developed

____system.


Excretory


458. The excretory system consists of a pair of ____, ____, ___ and _____. Kidneys, ureters, cloaca ,

Urinary bladder.

459.Two ____ emerge from the kidneys in the male frogs. Ureters

460. Major excretory material of Frog Urea

461.Compact , dark red and bean like structures of the Frog Kidneys

462.In male frog the ureters act as ____ which opens into the ____. Urinogenital duct ; cloaca

463. In females ureters and ____ open separately in the ____. Oviducts ; cloaca.

464. Based on the excretory waste material frog is called _____ animal. Ureotelic

465. Structure which is situated a little posterior in the body cavity on both sides of

vertebral column


Kidneys


466.Excretory wastes are carried by ___ into the ____where it is separated and

excreted.


Blood ; kidney


467. The system for control and coordination is ____ evolved in the frog

(highly/poorly)


Highly


468. Control and coordination includes both ____ system and ____glands Neural ; endocrine

469. Brain is enclosed in a bony structure called ____ (_____). Brain box or cranium

470. Central nervous system of Frog include Brain and spinal cord

471.Peripheral nervous system of Frog include Cranial and spinal nerves

472. Nerves arise from the brain are called Cranial nerves

473. Nerves arise from the spinal cord are called Spinal nerves

474.Autonomic nervous system of Frog include Sympathetic and

parasympathetic


475. The prominent _____ glands found in frog are pituitary, thyroid, parathyroid,

thymus, pineal body, pancreatic islets, adrenals and gonads.


Endocrine

476. Number of pairs of cranial nerves in Frog 10

477. The thin-walled urinary bladder is present ventral to the ____ which also opens Rectum ; cloaca


in the ___.

478. The chemical coordination of various organs of the body is achieved by ____

which are secreted by the endocrine glands.


Hormones


479. Each kidney is composed of several structural and functional units called ___

or ____.


Uriniferous tubules or

nephrons

480. The brain is divided into ___-brain, ___-brain and ___-brain. Fore ; mid ; hind

481. Organ of hearing as well as balancing (equilibrium) in frog Ear

482. The _____ passes out through the foramen magnum and continues into ___,

which is enclosed in the ________.


Medulla oblongata; spinal

cord ; vertebral column


483. The ___brain is characterised by a pair of optic lobes. Mid

484. ____-brain consists of cerebellum and medulla oblongata. Hind

485. _____brain includes olfactory lobes, paired cerebral hemispheres and unpaired

diencephalon.


Fore

486. Frog has different types of sense organs, namely organs of touch (____), taste

(____), smell (____), vision (____) and hearing (_____).


Sensory papillae; taste

buds ; nasal epithelium ;

eyes ; tympanum with

internal ears


487. Out of all sense organs, ___ and ____are well-organised structures and the rest

are ____ around nerve endings.


Eyes and internal ears;

cellular aggregations


488. A pair of spherical structures situated in the orbit in skull are __ Eyes

489. Simple eye means Possessing only one unit

490. Frogs have well organised male and female reproductive systems.(true/false) true

491. External ear is ____ in frogs and only ____ can be seen externally. Absent ; tympanum

492. Yellowish ovoid structures of male reproductive system of frog are Testes

493. _____ are ____in number that arise from testes. They enter the kidneys on

their side and open into _____.


Vasa efferentia ; 10-12;

Bidder's canal.


494. Organs which are found adhered to the upper part of kidneys by a double fold

of peritoneum in male frog are


Testes

495. A small, median chamber that is used to pass faecal matter, urine and sperms

to the exterior.


Cloaca


496. The female reproductive organs include a pair of ___ . The ____ are situated

near kidneys and there is no functional connection with ___.


Ovaries ; ovaries

497. A pair of oviduct arising from the ovaries opens into the ____ separately. Cloaca

498. Bidder's canal communicates with the ____ that comes out of the kidneys and

opens into the ____.


Urinogenital duct ; cloaca


499. Double fold of peritoneum which adhere the testes to the kidney is Mesorchium

500. A mature female can lay ___ to ___ ova at a time. 2500 to 3000

501. Type of fertilization in Frog (external /Internal) External

502. Fertilization in Frog takes place in ___ Water

503. Type of development in Frog (Direct / Indirect) Indirect

504. Development of frog involves a larval stage called ___ Tadpole .

505. ____ larva of Frog undergoes _____ to become adult. Tadpole ; Metamorphosis

506. Frogs are beneficial for mankind because they eat ___ and protect the ___. Insects; crop

507. Frogs maintain ecological balance because these serve as an important link of

___ and ____ in the ecosystem.


Food chain; food web

508. In some countries the _____ of frog are used as food by man. Muscular legs