Stamen, Microsporangium and Pollen Grain

IMPORTANT

Stamen, Microsporangium and Pollen Grain: Overview

This Topic covers sub-topics such as Intine, Pollen Grain, Microsporogenesis, Anther, Microsporangium, Pollen Allergy, Tapetum, Sporopollenin, Endothecium, Exine, Germ Pore, Pollen Bank, Filament of Stamen and, Middle Layer of Microsporangium

Important Questions on Stamen, Microsporangium and Pollen Grain

MEDIUM
IMPORTANT

Write a brief note on the following-

Palynology

MEDIUM
IMPORTANT

Write a brief note on the following-

Callose deposition

MEDIUM
IMPORTANT

Write a brief note on the following:

Pollen wall proteins

EASY
IMPORTANT

Write a brief note on the following-

Pollen wall structure

EASY
IMPORTANT

Microsporangium is also known as _____ 

EASY
IMPORTANT

What is the difference between microsporangia and microsporangium?

EASY
IMPORTANT

Pollen grains of water pollinated species have special characteristics for protection from water is called.

MEDIUM
IMPORTANT

How do tapetal cells become bi-nucleate?

MEDIUM
IMPORTANT

Complete the following chart from the given options

Question Image

MEDIUM
IMPORTANT

How many meiotic divisions are required to form 200 pollen grains?

MEDIUM
IMPORTANT

What are the labels A and B indicate in the given picture of a pollen grain?

Question Image

EASY
IMPORTANT

During pollen germination, intine forms a pollen tube and extrudes out through the germ pore.

MEDIUM
IMPORTANT

Draw the structure of a pollen grain and label the inner layer of the wall of it.

EASY
IMPORTANT

The inner layer of wall surrounding the pollen and spore that protects the reproductive cells is known as _____ (intine/exine).

EASY
IMPORTANT

Exine of pollen helps attachment to _____ (pollinators/stem).

MEDIUM
IMPORTANT

Which of the following feature/s is/are correct about the outermost layer covering the pollen grains?