Home
Class 11
BIOLOGY
Assertion : Coelenterates shown altermat...

Assertion : Coelenterates shown altermation of generation.
Reason : In coelenterates, asexual generation is followed by sexual generation

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:
A

In the life history of an organism, a diploid asexual phase and a haploid sexual phase regularly alternate with each other. This alternation of generations is also called metagenesis. In coelenterates, an asexual polypoid generation appears to alternate regularly with a sexual medusoid generation.
Promotional Banner

Similar Questions

Explore conceptually related problems

Isomorphic altermation of generations is found in

Assertion : Coelenterates are known as Radiata. Reason : Coelenterates are bilaterally symmetrical.

Assertion :- Coelenterates have tissue grade of organisation. Reason :- In coelenterates the cells performing the same function are arranged into group.

Mention one important phenomenon shown by coelenterates.

One of the following is a coelenterate

Assertion Coelenterates and flatworms show morphallatic regeneration. ltbr. Reason In both of these, a body fragment can develop into complete organism.

In the figure shown the total power generated is

Assertion :- DNA is perdominant genetic material. Reason : It is able to generate is replica.

AC generator and DC generator.