NEET: Multiple Choice questions: Class Pisces , Chondrichthyes and Osteichthyes

 

1. Consider the following statement and select the number of correct sentences for the Pisces.

1. They are Cold blooded animals and don't have ability to regulate the internal body temperature.

2.  Heart has one auricle and one ventricle.

3. Pisces name has been given because they bear fins.

4. Fishes are Poiklothermal.

A. One         B. Two 

C. Three       D. Four

Answer: D Explanation 

2. Which of the following statement is not correct for the cartilaginous fish.

A. They are fresh water fish with streamlined body.

B. Vertebral column is cartilaginous

C. Notochord is present throughout the life

D. They are viviparous and have internal fertilisation.

Answer: A Explanation

3. Consider the following feature of cartilaginous fish and select the correct code:

1. Ventral mouth 

2. Terminal mouth

3. Placoid scale

4. Cycloid scale

A. 1 and 4       B. 1 and 3

C. 2 and 4      D. 2 and 3

Answers: B Explanation

4. Which of the following statement is correct for the cartilaginous fish.

A. Gills are enclosed in gill cover called operculum.

B. They can maintain buoyancy due to swim bladder.

C. Teeth are modified of placoid scales which are backwardly directed.

D. Endoskeleton is composed of bone.

Answer: C Explanation

5. Which of the following is not a feature of the cartilaginous fish.

A. Powerful jaw

B. Tough skin

C. Predacaceous in nature

D. Minute ctenoid scale

Answer: D Explanation

6. Given below are two statements and select the correct option

Statement I : Cartilaginous fish does not has swim bladder.

Statement Il : They have to swim constantly to avoid sinking.

A. Statement l is true and statement ll is false.

B. Statement l is false and statement ll is true.

C. Both statement I and II is true.

D. Both statement I and II is false.

Answer: C Explanation

7. Consider the following statement of cartilaginous fish and select the correct code:

1. Gills slits are separate and without operculum.

2. In Male individual, Pelvic fin bear clasper.

A. Only 1      

B. Only 2

C. Both 1 and 2

D. Neither 1 nor 2

Answer: C Explanation

8. Which of the following cartilaginous fish has Electric organ hence called as Electric ray.

A. Trygon        B. Torpedo

C. Pristis          D. Scoliodon

Answer: B Explanation of

9. Match the list

A. Pristis          1.Sting ray 

B. Trygon        2. Saw fish

C. Scoliodon   3.Dog fish

D.Carcharodon4.White shark                                        

     A      B       C      D

A.  2       1       3       4

B.  1       2       4       3

C.  4      3       2        1

D.  4      2       3        1

Answer : A Explanation

10. In which of the following cartilaginous fish, Poison sting is present.

A. Pristis

B. Scoliodon 

C. Carcharodon

D. Trygon

Answer: D Explanation

11. Which of the following statement is correct for the bony fish.

A. They are found in both  fresh and marine water with streamlined body.

B. Vertebral column is cartilaginous

C. Notochord is present in adult stage 

D. They are viviparous and have internal fertilisation.

Answer: A Explanation

12. How many pairs of gill are enclosed in operculum on each side bony fish.

A. Four               B. Six

C. Two                D. Five

Answer: A Explanation

13. Consider the following feature of Bony fish and select the correct code:

1. Ventral mouth 

2. Terminal mouth

3. Ctenoid scale

4. Cycloid scale

A. 1, 3 and 4       B. 1,2 and 4

C. 2,3 and 4       D. 1,2 and 3

Answers: C Explanation

14. Which of the following fish has swim bladder to maintain buoyancy in swimming.

A. Exocoetus or flying fish 

B. Pristis or saw fish 

C. Scoliodon or Dog fish

D.Torpedo or Electric ray

Answer: A Explanation

15. Which of the following is not a feature of the Bony fish.

A. Internal fertilisation 

B. Saxes are seprate 

C. Oviparous 

D. Indirect development 

Answer: D Explanation

16. Match the list

A. Betta            1.Fighting fish 

B. Labeo           2. Angel fish

C.Pterophyllum  3.Rohu

D.Exocoetus     4.Flying fish                                       

     A      B       C      D

A.  2       1       3       4

B.  1       3       2       4

C.  4      3       2        1

D.  4      2       3        1

Answer : B Explanation

17. Which of the following pair  is not correctly matched.

A. Exocoetus: Fighting fish

B. Clarias : Magur

C. Katla : Catla

D. Hippocampus: Sea horse

Answer : A Explanation

18. Which one  of the following pair is aquarium fish.

A. Labeo and Katla

B. Torpedo and Trygon

C.Betta and Pterophyllum 

D. Scoliodon and Carcharodon

Answer : C Explanation

19. Pick out the group of Fresh water fish.

A. Torpedo, Trygon, Betta

B. Labeo,  catla, Clarias

C.Scoliodon, Carcharodon, Exocoetus 

D. Pristis, Labeo, Clarias 

Answer: B Explanation