Class 12 Biology Sexual Reproduction in Flowering Plants Stamen, Microsporangium and Pollen Grain

Medium

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

AIPMT 2012 All AIPMT

A
cuticle
B
sporopollenin
C
lignin
D
cellulose

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

Previous Year

AIPMT 2012 Paper All AIPMT years →

Similar Questions

The anther wall consists of four wall layers. Which of the following statements is correct regarding their arrangement?

MediumAIPMT 1993

Tapetal cells are characterized by

Medium

Which of the following has proved helpful in preserving pollen as fossils?

Which of the following statements is false regarding the exine of pollen grains?

Medium

What is the approximate diameter of a pollen grain?

Medium

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.

For Institutes

Online Exam Module

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