Embryo sac is to ovule as _____ is to an anther.

Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 1

The phenomenon wherein, the ovary develops into a fruit without fertilisation is called

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 3

What is self-incompatibility?

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 4

Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other with respect to seed.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 5

 Explain giving reasons why pollen grains can be best preserved as fossils.

HARD

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 6

What is apomixis? How is the phenomenon useful to the farmer?

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 7

 How many haploid cells are present in a mature female gametophyte of a flowering plant? Name them.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 8

Draw a labelled diagram of L.S of an apple.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 9

What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.