Question. The type of epithelial cells which line the inner surface of fallopian tubes, bronchioles and small bronchi are known as
(a) squamous epithelium
(b) columnar epithelium
(c) ciliated epithelium
(d) cubical epithelium
Answer
C
Question. Tadpoles of frog can be made to grow as giant sized tadpoles, if they are
(a) administered antithyroid substance like thiourea.
(b) administered large amounts of thyroxine.
(c) reared on a diet rich in egg yolk.
(d) reared on a diet rich in both egg yolk and glucose.
Answer
B
Question. Which of the following type of cell junction is not found in animal tissues ?
(a) Adhering junction
(b) Tight junction
(c) Gap junction
(d) Plasmodesmata
Answer
D
Question. Mucus helps frog in forming
(a) thick skin
(b) dry skin
(c) smooth skin
(d) moist skin.
Answer
D
Question. Bullfrog of India is
(a) Rana tigrina
(b) R. sylvatica
(c) R. catesbeiana
(d) R. esculenta.
Answer
A
Question. Male cockroach can be identified from the female by the presence of
(a) long antennae
(b) wingless body
(c) elongated abdomen
(d) anal styles
Answer
D
Question. The sensory papillae in frogs are associated with
(a) smell
(b) hearing
(c) respiration (
d) touch
Answer
D
Question. In earthworms, setae are present in all segments except
(a) first and the last segments
(b) first segment and the clitellum
(c) first segment
(d) clitellum and last segments
Answer
D
Question. Frogs differ from humans in possessing
(a) paired cerebral hemispheres
(b) hepatic portal system
(c) nucleated red blood cells
(d) thyroid as well as parathyroid.
Answer
C
Question. Ureters act as urinogenital ducts in
(a) human males
(b) human females
(c) both male and female frogs
(d) male frogs.
Answer
D
Question. Which one of the following is the true description about an animal concerned?
(a) Rat – Left kidney is slightly higher in position than the right one
(b) Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
(c) Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
(d) Frog – Body divisible into three regions – head, neck and trunk
Answer
B
Question. In frog, gastrulation process involves
(a) epiboly
(b) emboly
(c) invagination
(d) all of these
Answer
D
Question. Structure which remains unchanged during metamorphosis of frog’s tadpole is
(a) lung
(b) heart
(c) nervous system
(d) intestine
Answer
C
Question. Which gland plays a key role in metamorphosis of frog ?
(a) Adrenal
(b) Thyroid
(c) Thymus
(d) Pancreas
Answer
B
Question. Major protein of connective tissue is
(a) myosin
(b) collagen
(c) melanin
(d) keratin
Answer
B
Question. Outer covering of cartilage is called
(a) perichondrium
(b) periosteum
(c) endosternum
(d) peritoneum
Answer
A
Question. The protoplasmic segment of a striated muscle fibre is termed as
(a) sarcoplasm
(b) sarcomere
(c) neuromere
(d) metamere
Answer
B
Question. Sharpey’s perforating fibres are related with
(a) heart contraction
(b) muscle relaxation
(c) fixing of teeth
(d) none of these
Answer
C
Question. Which of the following statement about cell junctions is false?
(i) All the cells of the epithelium are held together with little intercellular materials.
(ii) In almost all animal tissues specialized junction provide both structural and functional link between its individual cells.
(iii) Tight junctions help to stop substances from leaking across a tissue.
(iv) Adhering junctions provide cementing to keep neighbouring cells together.
(v) Gap junctions provide cytoplasmic channels between cells for passage of ions, small molecules and sometimes big molecules.
(a) (ii) and (iii)
(b) (i) and (ii)
(c) Only (v)
(d) None of these
Answer
B
Question. i. The shape of the cells may vary with the function they perform
ii. Human RBC is about 7.0 μm in diameter
iii. Cytoplasm is the main arena of cellular activities
iv. Various chemical reactions occur in cytoplasm to keep the cell in the living state
(a) All are correct
(b) Only I and II are correct
(c) Only IV is correct
(d) All are wrong
Answer
D
