HARD
12th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram of L.S of a pistil to show the growth of pollen tube reaching egg apparatus.

Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
12th CBSE
IMPORTANT
What is syngamy?

HARD
12th CBSE
IMPORTANT
Describe in sequence the events that leads to the development of a 3 celled pollen grain from microspore mother cell in angiosperms.

HARD
12th CBSE
IMPORTANT
Trace the development of megaspore mother cell up to the formation of a mature embryo sac in a flowering plant.

HARD
12th CBSE
IMPORTANT
Draw a labelled diagram of the structure of mature dicot embryo.

HARD
12th CBSE
IMPORTANT
Draw a labelled long sectional view of an albuminous seed.

MEDIUM
12th CBSE
IMPORTANT
How are seeds advantageous to flowering plants?

MEDIUM
12th CBSE
IMPORTANT
Why most zygotes in angiosperms divide only when certain amount of endosperm is formed?

MEDIUM
12th CBSE
IMPORTANT
Why groundnut seeds are exalbuminous and castor seeds are albuminous?
