3136: Consider the following pairs: Vitamin Deficiency disease
1. Vitamin C : Scurvy
2. Vitamin D : Rickets
3. Vitamin E : Night blindness
Which of the pairs given above is/are correctly matched?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
3137: According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?
1. Gharial
2. Indian wild ass
3. Wild buffalo
Select the correct answer using the code given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3138: There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?
1. They can accumulate in the environment, and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3139: For pasteurization by the Flash Method, milk is heated to a temperature of:
(a) 0°C
(b) 100°C
(c) - 4°C
(d) 72°C
3140: What is the increasing order of the wavelengths of the following colours?
1. Orange
2. Indigo
3. Yellow
4. Violet
(a) 1, 2, 3 and 4
(b) 3, 1, 4 and 2
(c) 1, 3, 2 and 4
(d) 4, 2, 3 and 1