NEET 2021

Which one of the following belongs to the family Muscidae ? (1) Fire fly (2) Grasshopper (3) Cockroach (4) House fly [NEET 2021]

Ruhul Amin Alig

Class 11 | Biology | Chapter 2 | Biological Classification

Zygotic meiosis is characteristic of 1. Fucus 2. Funaria 3. Chlamydomonas 4. Marchantia [NEET 2017 ]

Ruhul Amin Alig

Class 11 | Biology | Chapter 2 | Biological Classification

Which one is wrongly matched? 1. Uniflagellate gametes - Polysiphonia 2. Biflagellate zoospores - Brown algae 3. Gemma cups - Marchantia 4. Unicellular organism - Chlorella [ NEET 2018 ]

Ruhul Amin Alig

Class 11 | Biology | Chapter 2 | Biological Classification

A is group of related genera. The order B includes families like Felidae and Canidae.

Ruhul Amin Alig

Class 12 | Biology | chapter 10 | Microbes in Human Welfare

The bacteria present in the gut of several ruminant animals 1. Are anaerobes with peptidoglycan cell wall 2. Are similar to other bacteria in cell wall structure 3. Are responsible for production of biogas 4. Are known as halophiles

Ruhul Amin Alig

Meiosis

Select the correct match from the given option. (a) Occurrence of dikaryotic stage - ascomycetes and basidiomycetes. (b) Saprophytes - They are autotrophic and absorb soluble organic matter from dead substrates. (c) Vegetative mean of reproduction in fungi - fragmentation, budding and sporangiophores. (d) Steps involved in asexual cycle of fungi - plasmogamy, karyogamy and meiosis in zygote resulting in haploid spores

Ruhul Amin Alig

Meiosis

Which of the following statement(s) is/are correct ? (i) Reproduction in fungi can take place by vegetative means – fragmentation, fission and budding. (ii) Fusion of two nuclei is called plasmogamy. (iii) Fusion of protoplasms between two motile or nonmotile gametes is called karyogamy. (iv) Meiosis in zygote results in diploid spores.

Ruhul Amin Alig

Class 11 | Biology | chapter 3 | Plant Kingdom

What is the number and positions of insertions of flagella in class Rhodophyceae? (a) 2 – 8, equal, apical (b) 2, unequal, lateral (c) 2 – 6, equal, lateral (d) Absent

Ruhul Amin Alig

Class 11 | Biology | chapter 3 | Plant Kingdom

In which of the following, all listed genera belong to the same class of Algae? (a) Chara, Fucus, Polysiphonia (b) Volvox, Spirogyra, Chlamydomonas (c) Porphyra, Ectocarpus, Ulothrix (d) Sargassum, Laminaria, Gracillaria

Ruhul Amin Alig

Scientists Name & their contribution Series [ From NCERT]

Stanley :Scientists Name & their contribution Series [ From NCERT Biology 11th & 12th]

Ruhul Amin Alig

Scientists Name & their contribution Series [ From NCERT]

Beijerinek :Scientists Name & their contribution Series [ From NCERT Biology 11th & 12th]

Ruhul Amin Alig

Scientists Name & their contribution Series [ From NCERT]

Ivanowsky:Scientists Name & their contribution Series [ From NCERT Biology 11th & 12th]

Ruhul Amin Alig

Scientists Name & their contribution Series [ From NCERT]

Whittaker:Scientists Name & their contribution Series [ From NCERT Biology 11th & 12th]

Ruhul Amin Alig

Scientists Name & their contribution Series [ From NCERT]

Aristotle:Scientists Name & their contribution Series [ From NCERT Biology 11th & 12th]

Ruhul Amin Alig

Scientists Name & their contribution Series [ From NCERT]

Linnaeus: Scientists Name & their contribution Series [ From NCERT Biology 11th & 12th]

Ruhul Amin Alig

Class 11 | Biology | Chapter 2 | Biological Classification

Class 11 | Biology | Chapter 2 | Biological Classification,Biology NCERT Diagrams

Ruhul Amin Alig

PYQsNEET

Which of the following statements are true for the phylum-Chordata? (a) In Urochordata notochord extends from head to tail and it is present throughout their life (b) In Vertebrata notochord is present during the embryonic period only (c) Central nervous system is dorsal and hollow (d) Chordata is divided into 3 subphyla : Hemichordata, Tunicata and Cephalochordata 1. (c) and (a) 2. (a) and (b) 3. (b) and (c) 4. (d) and (c)

Ruhul Amin Alig

Class 11 | Biology | chapter 3 | Plant Kingdom

Select the incorrectly matched pair (1) Microphylls : Selaginella (2) Macrophylls: Ferns (3) Leafy stage present: Funaria (4) Well-developed vascular tissues: Marchantia

Ruhul Amin Alig

Class 11 | Biology | Chapter 2 | Biological Classification

Which of the given feature is true about the viroids? (1) They have DNA as main genetic material (2) They are discovered by T.O Diener (3) Capsomeres are present (4) Larger than viruses

Ruhul Amin Alig