Fisheries MCQ Questions and Answers for Practice

1. The number of chambers in the heart of fishes are:

1. 1
2. 2
3. 3
4. 4

2. The number of semicircular canals in Gnathostomes are:

1. 2
2. 3
3. 4
4. 5

3. In Heteropneutis fossils the total number of barbels occurring are

1. 2
2. 4
3. 6
4. 8

4. Adaptive radiation in fishes started about number of million years ago:

1. 1200
2. 500
3. 1000
4. 1500

5. Number of species ofOsteichthyes are:

1. 10000
2. 15000
3. 20000
4. 25000

6. The number of species of teleosts fishes are:

1. 10000
2. 15000
3. 20000
4. 25000

7. The amount of protein in live body weight of fish is

1. 10-13%
2. 15-20%
3. 18-23%
4. 5-12%

8. In fish body the share of minerals is

1. 1-2%
2. 3-4%
3. 4-5%
4. 5-6%

9. Cartilaginous fishes are:

1. Placoderms
2. Acanthodians
3. Chindrichythyes
4. Osteichthyes

10. pH of vermiculture is kept at

1. Near neutral
2. Alkaline
3. Acidic
4. Highly alkaline

11. If more than single species of fish is cultured at a time, then it is called

1. Monoculture
2. Aquaculture
3. Polyculture
4. Mori culture

12. Pisciculture is rearing and production of

1. Fishes
2. Birds
3. Reptiles
4. Wool yielding animals

13. Induced breeding technique is used in

1. Marine fishery
2. Capture fishery
3. Culture fishery
4. Inland fishery

14. Inand fisheries are

1. deep sea fishing
2. capturing fishes from sea coast
3. raising and capturing fishes in fresh water
4. oil extraction from fish

15. Isinglass is employed in

1. Preparation of wines
2. Clearing of wines
3. Distillation of wines
4. Preservation of wines