4071: The most important fishing grounds of the world are found in the regions where

(a) warm and cold atmospheric currents meet

(b) rivers drain out large amounts of fresh water into the sea

(c) warm and cold oceanic currents meet

(d) continental shelf is undulating
4072: Consider the following statements :

1. Natural gas occurs in the Gondwana beds.
2. Mica occurs in abundance in Kodarma.
3. Dharwars are famous for petroleum.

Which of the statements given above is / are correct?

(a) 1 and 2
(b) 2 and 3
(c) 2 only
(d) None
4073: The evidence for the rotation of stars comes mainly from the

(a) Doppler effect

(b) Photoelectric effect

(c) Stark effect

(d) Zeeman effect
4074: The density of sea water is highest as:

(a) Depth increases and salinity increases

(b) Depth decreases and salinity increases

(c) Depth increases and salinity decreases

(d) Depth decreases and salinity decreases
4075: Match List-I (Institute) with List-II (Located At) and select the correct answer using the codes given below the Lists :

List-I List-II

(Institute) (Located At)

A. Indian Institute of Geomagnetism 1. Coimbatore Institute
B. International Research Centre for Powder Metallurgy and New Materials 2. Mumbai Advanced
C. Salim Ali Centre for Ornithology and Natural History 3. Jabalpur
D. Tropical Forestry Research Institute 4. Hyderabad

Codes:

A B C D

(a) 2 3 1 4
(b) 1 4 2 3
(c) 2 4 1 3
(d) 1 3 2 4