416: 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
417: The money multiplier in an economy increases with which one of the following?
(a) Increase in the cash reserve ratio
(b) Increase in the banking habit of the population
(c) Increase in the statutory liquidity ratio
(d) Increase in the population of the country
418: Assertion (A):
Lord Linlithgow described the August Movement of 1942 as the most serious rebellion since Sepoy Mutiny.
Reason (R):
There was massive upsurge of the peasantry in certain areas.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
419: Which one of the following rivers originates at Amarkantak ?
(a) Mahanadi
(b) Narmada
(c) Tapti
(d) Damodar
420: One local and another express train were proceeding in the same direction on parallel tracks at 29 km/hour and 65 km/hour respectively. The driver of the former noticed that it took exactly 16 seconds for the faster train to pass by him. What is the length of the faster train?
(a) 60 m
(b) 120 m
(c) 160 m
(d) 240 m