Fishery - General Knowledge Questions and Answers

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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।

Hypoxanthine
IMP
NH3
AMP


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
Fertilizer
CuSo4


Correct Answer :Tea seed cake

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

A)

Diadromous


B)

Catadromous


C)

Anadromous


D)

None of the above



Correct Answer :

Catadromous


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.

_____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?

A)
The professional growing of trees

B)
The professional growing of silver

C)
The professional growing of fish

D)
The professional growing of silk


Correct Answer :

The professional growing of fish

Latest Updates

Pipes and Cistern

Two pipes A and B can fill a tank in 6 hours and 4 hours respectively. If they are opened on alternate hours and if pipe A s opened first, in how many hours, the tank shall be full?

A large tanker can be filled by two pipes A and B in 60 min and 40 min respectively. How many minutes will it take to fill the tanker from empty state if B is used for first half of the time, and A and B fill it together for the other half?

A tank is filled by 3 pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The 2nd pipe fills the tank 5 hours faster than first pipe and 4 hours slower than third pipe. The time required by first pipe is?

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

Two pipes A and B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 min?

Two pipes A and B can fill a tank in 36 min and 45 min respectively. A water pipe C can empty the tank in 30 min. First A and B are opened. after 7 min, C is also opened. In how much time, the tank is full?

Two pipes can fill a cistern in 14 hours and 16 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom it took 32 min more to fill the cistern. When the cistern is full, in what time will the leak empty it?

Bucket P has thrice the capacity as Bucket Q. It takes 60 turns for Bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the empty drum?

Probability

In a class , 30 % of the students offered English, 20 % offered Hindi and 10 % offered Both.If a student is offered at random, what is the probability that he has offered English or Hindi?

In a lottery ,there are 10 prizes and 25 blanks.A lottery is drawn at random. what is the probability of getting a prize ?

Two dice are thrown simultaneously .what is the probability of getting two numbers whose product is even?

Two diced are tossed the probability that the total score is a prime number?

Two cards are drawn at random from a pack of 52 cards What is the probability that either both are black or both are queens?

Two dice are thrown together .What is the probability that the sum of the number on the two faces is divisible by 4 or 6?

A bag contains 6 white and 4 black balls .Two balls are drawn at random .Find the probability that they are of the same colour?

In a simultaneous throw of a pair of dice,find the probability of getting a total more than 7?

An unbiased die is tossed.Find the probability of getting a multiple of 3?

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My brother is 3 years elder to me. My father was 28 years of age when my sister was born while my mother was 26 years of age when i was born. If my sister was 4 years of age when my brother was born,then what was the age my father and mother respectively when my brother was born?

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