Home
Class 12
BIOLOGY
Assertion :- Most zygotes divide only af...

Assertion :- Most zygotes divide only after certain amount of endosperm is formed.
Reason :- This is an adaptation to provide assured nutrition to the developing embryo.

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Similar Questions

Explore conceptually related problems

After double fertilization, most zygotes divide only after certain amount of endosperm is formed. One of the importance of this adaptation is

Give reasons why: (i) Most zygotes in angiosperms divide only after certain amount of endosperm is formed. (ii) Groundnut seeds are exalbuminous and castor seeds are albuminous. (iii) Micropyle remains as a small pore in the seed coat of a seed. (iv) Integuments of an ovule harden and the water content is highly reduced, as the seed matures. (v) Apple and cashew are not called true fruits.

Assertion : The zygote developed from sexual reproduction is diploid. Reason : In sexual repoduction, haploid gametes fuse and form zygote.

Assertion : Endosperm is a nutritive tissue and it is triploid Reason : Endosperm is formed by fusion of secondary nucleus to second male gamete. It is used by developing embryo.

Why does the zygote begin to divide only after the division of primary Endosperm cell (PEC)?

Assertion : Embryogenesis is the development of embryo from the zygote. Reason : Cell division increase the number of cells in the developing embryo.

Assertion : Zygote is the only cell that gives a vital link between two generations of an organism. Reasons : The two gametes fuse to form a single zygote.