Question

Read the following statements.
(A) All the protochordates are marine.
(B) Urochordates have tunic or test.
(C) Urochordates reproduce both asexually and sexually.
(D) Cephalochordates do not have respiratory pigment.
How many of the above statements are correct?

• A. Only A
• B. A, B, C and D only
• C. Only B
• D. A, B and C only

Answer 1

The correct option is B A, B, C and D only

1. Protochordates are exclusively marine.
2. Urochordates reproduce both sexually and asexually.
3. Body of urochordates is covered by a tunic or test made of tunicin (animal cellulose).
4. Urochordates have tadpole-like larvae with notochord in their tails and a dorsal, tubular nerve cord.