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 reason are true and reason is correct explanation of the assertion .

B

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

C

If the assertion is true but the reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
In the typical angiospermic plant , cotyledons in the seed are the embryonic leaves . The radicle of the embryo upon the seed germination produces the root system and the plumule produces the shoot system . The radicle and plumule are contained in the embryo .
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)