Question
Microsporogenesis
✓
Answer
The process in which each microspore mother cell divides meiotically to form tetrad of haploid microspores (pollen grains).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Dust, Carbon monoxide, Lead, Smog, Methane, Mercury, DDT, Cadmium.
| Column A | Column B (Examples) |
| (1) Particulate pollutant | ————— |
| (2) Gaseous pollutant | ————— |
| (3) Biomagnification | ————— |
| (4) Heavy metals | ————– |
Stock
How were protobionts formed with the help of nucleic acids during chemical evolution?
Give functions : Enlist hormones secreted by GI tract and state their role.
(a) Describe any three adaptations in anemophilous flowers. Mention any one example of anemophilous flower.
(b) Describe any three adaptations in hydrophilous flowers. Mention any one example of the hydrophilous flowers.
(b) Describe any three adaptations in hydrophilous flowers. Mention any one example of the hydrophilous flowers.
Explain about the factors that affect water absorption.
Observe the diagrams of blood cells and answer the following questions
(a) Which of the above is agranulocyte ?
(b) Describe its origin and structure.
(c) Mention its types.
(d) Explain its function.
(a) Which of the above is agranulocyte ?
(b) Describe its origin and structure.
(c) Mention its types.
(d) Explain its function.
| Column A | Column B |
| (1) Organism | (a) Large unit with specific climatic zone |
| (2) Population | (b) Different species in particular area |
| (3) Community | (c) Same species in a geographical area |
| (4) Biome | (d) Basic unit of ecological hierarchy |
Describe the structure of anatropus ovule with the help of labelled diagram.
What are the main divisions of fishery?