NEET : Multiple Choice questions: Urochordata and Cephalochordata

1.   Which of following statement is not correct.

A. In Urochordates, Notochord is present in larval tail but absent in adult.

B. In Cephalochordates, notochord in present from head to tail.

C. Adult Cephalochordates and Adult Urochordates do not have notochord.

D. Both urochordates and cephalochordates are marine.

Answer: C Explanation 

2. Body of which of the following chordates covered by test that is made up of Tunicin hence called as Tunicata.

A. Cephalochordata

B. Urochordata 

C. Cyclostomata 

D. Protochordates 

Answer: B Explanation

3.   Which of following statement is not a Urochordates.

A. Doliolum 

B. Salpa 

C. Amphioxus 

D. Ascidia

Answer: C Explanation 

4. Select the option which is different from the others.

A. Branchiostoma 

B. Amphioxus 

C. Lancelet

D. Doliolum 

Answer: D Explanation 

5. In which of the following Urochordates, Notochord is present in larval tail but absent in adult.

A. Doliolum 

B. Salpa

C. Ascidia

D. All of the above

Answer: D Explanation

6. In which of the following cephalochordates, Notochord is present from head to tail  larval  to adult through out life.

A. Amphioxus 

B. Lancelet 

C. Branchiostoma 

D. All of the above

Answer : D Explanation

7.Which one of the following pair is not correctly matched.

A. Doliolum: Tunicata

B. Salpa : Urochordata 

C. Amphioxus: Urochordata 

D. Ascidia : Tunicata

Answer: C Explanation

8. Branchiostoma is also called as 

A. Lamprey 

B. Lancelet 

C. Lamprey & lancelet 

D. Amphioxus & Lancelet 

Answer: Explanation

9.In which of the following animals, notochord is replaced by the vertebral column.

A. Doliolum and Salpa

B. Ascidia and Salpa 

C. Amphioxus & Lancelet 

D. None of the above.

Answer: D Explanation 

10.Consider the following animals and select the protochordates.

1. Amphioxus 

2.Salpa 

3. Lancelet 

4. Doliolum 

A. 1, 2 and 3

B. 2, 3 and 4

C. 1, 3 and 4

D. 1, 2, 3 and 4

Answer : D Explanation