Fishery - General Knowledge Questions and Answers

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The migration of fish from freshwater to marine water is known as?








None of the above

Correct Answer :


Explanation :

Fishes migrating from fresh water to marine water for reproduction is called as catadromous.

Fishes migrating from marine water to fresh water for spawning or reproduction is called as anadromous.

Fishes that migrate between fresh water and salt water are called as Diadromous.

Fishes that migrate within marine water or sea are called as Oceanodromous.

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Which of the following is the best source of vitamin A:/ निम्नलिखित विटामिन A का सबसे का सबसे अच्छा स्रोत है?

Fish body oil / मछली के शरीर का तेल
Fish liver oil / मछली के जिगर का तेल
Animal liver meal / पशु जिगर का भोजन
None of the above / उपरोक्त में से कोई नहीं

Correct Answer :Fish liver oil / मछली के जिगर का तेल

White spot disease in aquarium fishes is caused by _______________./ मछलीघर मछलियों में श्वेत धब्बा बीमारी का कारण _____ है|

Ichthyophtheirius multifillis / इचथायोफथेरीउस्  मल्टीफिलीस
Ictalurus punctatus / इकटालुरूस पुन्काटातुस
White spot virus / श्वेत धब्बा वायरस
None of these / इनमें से कोई नही

Correct Answer :Ichthyophtheirius multifillis / इचथायोफथेरीउस्  मल्टीफिलीस

Fisheries sector is operated in ________./ मत्स्य पालन का संचालन ________ में किया जाता है।

Cold areas/ ठंडे क्षेत्र
Hot areas/ गर्म क्षेत्र
Both the above/ उपर्युक्त दोनों
None of these/ इनमें से कोई नहींं

Correct Answer :Cold areas/ ठंडे क्षेत्र

The level of rancidity in fish during storage can be determined by estimating________.

TBA value
Total fatty acid values
BV (biological value) 
Total amino acids

Correct Answer :TBA value

Bitter flavor in spoiled fish is due to________./खराब मछली में कड़वा स्वाद ________ की वजह से होता है।


Correct Answer :Hypoxanthine

Factors that limits storage life of frozen fish is: / जमी हुई मछली के भंडारण के जीवन को क्या सीमित करता है:

Changes in protein / प्रोटीन में परिवर्तन
Oxidative changes in fat / वसा में ऑक्सीडेटिव परिवर्तन
Discoloration / रंग बिगाड़ना
All of these / उपरोक्त सभी

Correct Answer :All of these / उपरोक्त सभी

It is a fish toxicant used for eradication of unwanted fishes from ponds before stocking:

Tea seed cake
Agricultural lime

Correct Answer :Tea seed cake

_____is a one of the adaptation of mangroves ./ _____मैंग्रोव के अनुकूलन में से एक है।

Pneumatophores / न्यूमैटोफोर
Polyps / जंतु
Air bladder / वायु ब्लैडर
Spores / बीजाणु

Correct Answer :Pneumatophores / न्यूमैटोफोर

Freshwater fish contain_____________ amount of iodine on an average. / मीठे पानी की मछली में आयोडीन की औसत मात्रा _____________ होती है।

0 μg/100g
5 μg/100g
10 μg/100g
15 μg/100g

Correct Answer :5 μg/100g

What is meant by Pisciculture is?

The professional growing of trees

The professional growing of silver

The professional growing of fish

The professional growing of silk

Correct Answer :

The professional growing of fish

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