2971: Match List I with List II and select the correct answer by using codes given below the lists :
List I List II
I. Vitamin : (A) Pepsin
II. Enzyme : (B) Carotene
III. Hormone : (C) Keratin
IV. Protein : (D) Progesterone
Codes:
(a) I - A, II - B, III - C, IV - D
(b) I - B, II - A, III - D, IV - C
(c) I - B, II - A, III - C, IV - D
(d) I - A, II - B, III - D, IV - C
2972: Assertion (A): Existence of human life on Venus is highly improbable.
Reason (R): Venus has extremely high level of carbon dioxide in its atmosphere.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false.
(d) A is false but R is true.
2974: There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from the land during the monsoon.
3. Upwelling in the seas.
Select the Correct answer from the codes given below:
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3