Vedclass
Class 12BiologySexual Reproduction in Flowering PlantsStamen, Microsporangium and Pollen Grain
Medium

What is the approximate diameter of a pollen grain?

  • A
    $25-50$ $\mathring{A}$
  • B
    $25-50$ $\text{micron}$
  • C
    $20-25$ $\text{micrometre}$
  • D
    $25-50$ $\text{micrometre}$
Share

Explore More

Browse All

Question Bank

12

All Subjects

Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

Similar Questions

How many wall layers surround a typical microsporangium?

Medium
View Solution

Explain the role of the tapetum in the formation of the pollen grain wall.

Easy
View Solution

Male gametes in angiosperms are formed by the division of:

Easy
View Solution

Which one of the following is surrounded by a callose wall?

MediumAIPMT 2007
View Solution

Which organic substance can withstand extreme environmental conditions and cannot be degraded by any known enzyme?

EasyAIPMT 1994
View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo