Question

Q.3 Give merits and demerits of fish culture.

Answer 1

merits
1 fishing give livelihood to a fisherman
2 fishing give survival to tribals
demerits
1 it will decrease the fishes
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Answer 2

Answer:

Explanation:

Merits :

(a) We can have desired type and quantity of fish at will.

(b)Through fish culture we get fish meat which is highly nutritive food containing vitamins, useful fat and most easily digestible protein.

(c)Through properly improved fish culture techniques large amount of fish can be obtained from small area.

(d) Food problems can be solved to some extent.

Demerits :

Through fish culture the number of selectively cultured fish are increasing while the less economical fish are being discarded which is causing a threat to biodiversity and fish gene bank.