Fisheries MCQ Quiz - Multiple Choice Questions & Answers

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