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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
White spot disease in aquarium fishes is caused by _______________./ मछलीघर मछलियों में श्वेत धब्बा बीमारी का कारण _____ है|
Ichthyophtheirius multifillis / इचथायोफथेरीउस् मल्टीफिलीस
Fisheries sector is operated in ________./ मत्स्य पालन का संचालन ________ में किया जाता है।
Cold areas/ ठंडे क्षेत्र
Correct Answer :Cold areas/ ठंडे क्षेत्र
The level of rancidity in fish during storage can be determined by estimating________.
Bitter flavor in spoiled fish is due to________./खराब मछली में कड़वा स्वाद ________ की वजह से होता है।
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
It is a fish toxicant used for eradication of unwanted fishes from ponds before stocking:
Tea seed cake
The migration of fish from Salt water to marine waters is known as:/ समुद्री पानी से ताजा पानी में मछलियों का के पलायन के रूप में जाना जाता है|
Diadromous / डायाड्रोमस
_____is a one of the adaptation of mangroves ./ _____मैंग्रोव के अनुकूलन में से एक है।
Pneumatophores / न्यूमैटोफोर
Freshwater fish contain_____________ amount of iodine on an average. / मीठे पानी की मछली में आयोडीन की औसत मात्रा _____________ होती है।
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
|Height and Distance|
An aeroplane flying at a height of 300 m above the ground passes vertically above another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 60º and 45º respectively. What is the height of the lower plane from the ground?
From the top of a building 90 m high, the angles of depression of the top and the bottom of a tree are 30º and 45º respectively. What is the height of the tree?
What is the value of sinx √( 1 /1+cosx + 1 /1-cosx ) ?
What is cos4 A - sin4 A / cos2 A - sin2 A equal to?
If 7sin2 x +3cos2 x = 4, 0 < x < 90º ,then what is the value of tan x?
If x = a cosθ + b sinθ and y = a sinθ - b cosθ then what is x2 + y2 equal to?
The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. What is the included number?
The mean marks obtained by 300 students in a subject are 60. The mean of top 100 students was found to be 80 and the mean of last 100 students was found to be 50. The mean marks of the remaining 100 students are?
In an asymmetrical distribution, of the mean and median of the distribution are 270 and 220 respectively, then the mode of the data is?
Let a, b, c, d, e, f, g be consecutive even numbers and j, k, l, m, n be consecutive odd numbers. What is the average of all the numbers?
|Alligation or Mixture|
25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is the ratio 1 : 2 and the amount of lead and tin in the alloy Y is in the ratio 2 : 3, then what is the ratio of lead to tin in the mixture?
The ratio of two numbers is 1 : 5 and their product is 320. What is the difference between the square of these two numbers?
What is the value of cot 4π/3 ?
Article-24 of the Indian Constitution ‘Prohibition of employment of children in factories, etc’ deals with?
Article-134A of the Indian Constitution ‘Certificate for appeal to the Supreme Court’ deals with?
Who invented Aspirin?
A larger force on a rotating body results in larger?
What is the unit of the physical quantity, magnetic flux density?
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