2436: Which of the following is/are used as biofertilizers ?
I. Azolla
II. Blue-green algae
III. Alfalfa.
Select the correct answer using the codes given below.
Codes:
(a) II alone
(b) I and II
(c) I and III
(d) I, II and III
2437: What explains the eastward flow of the equatorial counter-current?
(a) The Earth's rotation on its axis
(b) Convergence of the two equatorial currents
(c) Difference in salinity of water
(d) Occurrence of the belt of calm near the equator
2438: Assertion (A):
Marathas emerged as the strongest native power in India after the decline of Mughal empire.
Reason (R):
Marathas were the first to have clear concept of a united Indian nation.
(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
2439: Consider the following statements : The Indian rupee is fully convertible
I. in respect of Current Account of Balance of Payment.
II. in respect of Capital Account of Balance of Payment.
III. into gold.
Which of these statements is/are correct ?
(a) I alone
(b) III alone
(c) I and II
(d) I, II and III
2440: In 1920, which of the following changed its name to "Swarajya Sabha"?
(a) All India Home Rule League
(b) Hindu Mahasabha
(c) South Indian Liberal Federation
(d) The Servants of India Society