Home
Class 12
BIOLOGY
Assertion : The two cotyledons in seed a...

Assertion : The two cotyledons in seed are embryonic leaves
Reason : The embryo contains radicle and plumule.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B

Embryonal cells divide twice vertically and once transversely to produce two tired eight called embryo. The epibasal tier forms two cotyledons and a plumule while hypobassal tier produce only hypocotyls and most of radicle.
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following parts of the embryo contains radicle and plumule?

All plants have two cotyledons in their seed, except

Assertion:The outermost covering of a dicotyledonous seed in the seed coat. Reason:The seed coat has two layers-outer testa and inner helium.

Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is mainly found in enbryonic stage .

Assertion : Orchid is monocotyledonous non-endospermic seed while castor is dicotyledonous endospermic seed Reason : In monocotyledonous (wheat and maize) cotyledon is one while is dicotyledonous (gram and pea) there are two cotyledons.

Assertion : Roots contain nodes but no leaves or buds Reason : Root branches arise endogenously.

Assertion : Reticular fibrous connective Tissue is called as embryonic tissue. Reason : Reticular fibrous connective tissue is mainly found in embryonic stage.

Assertion: Unlike thallophytes, bryophytes show formation of embryo Reason: The embryo gives rise to gaemetophyte plant of bryophytes.

Assertion : Starch synthesis in pea seeds is controlled by one gene. Reason: This gene has two alleles (B and b)