FISHERIES SCIENCE- BIOTECHNOLOGY

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FISHERIES SCIENCE- BIOTECHNOLOGY-MCQs

1. Sterile fish is
(A) Triploid
(B) Polyploid
(C) Diploid
(D) Tetraploid
Ans: A

2. Jayanti rohu is an example of
(A) Cross breeding
(B) Induced breeding
(C) Selective breeding
(D) Natural breeding
Ans: C

3. Jayanti rohu was developed by
(A) CMFRI
(B) CIFA
(C) CIBA
(D) RGCA
Ans: B

4. Cryopreservation temperature for fish sperm is done at
(A) -196°C
(B) -169°C
(C) -119°C
(D) -157°C
Ans: A

5. Dyes is mainly used for marking in genetic studies
(A) Eggs and fry
(B) Scale
(C) Adult male and female
(D) Disease
Ans: A

6. The value of heritability can vary between
​(A) —1 to 1
(B) 0 —1
(C) 1— 2
(D) 1- 3
Ans: B

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