EASY
12th CBSE
IMPORTANT
Earn 100

Name the type of pollination in self-incompatible plants

Important Questions on Sexual Reproduction in Flowering Plants
EASY
12th CBSE
IMPORTANT
Draw the diagram of a mature embryo sac and show its 8 -nucleate, 7 -celled nature. Show the following parts: antipodals, synergids, egg, central cell, polar nuclei.

EASY
12th CBSE
IMPORTANT
Which is the triploid tissue in a fertilised ovule? How is the triploid condition achieved?

MEDIUM
12th CBSE
IMPORTANT
Are pollination and fertilisation necessary in apomixis? Give reasons.

EASY
12th CBSE
IMPORTANT
Identify the type of carpel with the help of diagrams given below:

EASY
12th CBSE
IMPORTANT
How is pollination carried out in water plants?

EASY
12th CBSE
IMPORTANT
What is the function of the two male gametes produced by each pollen grain in angiosperms?

EASY
12th CBSE
IMPORTANT
List three strategies that a bisexual chasmogamous flower can evolve to prevent self-pollination (autogamy)

HARD
12th CBSE
IMPORTANT
Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order in which they are followed in the hybridisation programme.
(a) Re-bagging.
(b) Selection of parents.
(c) Bagging.
(d) Dusting the pollen on the stigma.
(e) Emasculation.
(f) Collection of pollen from the male parent.
