261: What is a continental shelf?
(a) It is a part of the ocean which is really an extension of the land mass, but submerged.
(b) It is that part where the ocean commences.
(c) It is a land mass which is surrounded by water on all sides.
(d) It is a part of the continent that is submerged in relatively shallow sea.
262: Assertion (A):
Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year.
Reason (R):
High temperatures and high humidity cause convectional rain to fall mostly in the afternoons near the equator.
(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
Explanation:
Areas lying within 5 degree - 8 degree latitude on either side of the equator receives convectional rainfall, mostly in the afternoons throughout the year, due to high humidity and high temperatures.
263: Who amongst the following was the first to state that the Earth was spherical?
(a) Aristotle
(b) Copernicus
(c) Ptolemy
(d) Strabo
264: Match List I with List II and select the correct answer by using the codes given below the lists :
List I-------------------------------------------------------List II
(Climatic Conditions)------------------------------------(Reasons)
I. Chennai is warmer than Calcutta------------------(A) North-East Monsoon
II. Snowfall in Himalayas-------------------------------(B) Altitude
III. Rainfall decreases from Depressions------------(C) Western West Bengal to Punjab
IV. Sutlej-Ganga Plain gets some rain in water----(D) Distance from sea
--------(E) Latitude
Codes:
(a) I-A, II-B, III-D, IV-E
(b) I-D, II-E, III-A, IV-C
(c) I-E, II-B, III-D, IV-C
(d) I-E, II-A, III-C, IV-D
265: In the map given four areas are differently shaded, three of which indicate cereal production areas and one indicates non-cereal production areas and one indicates non-cereal production area. As per the index given, the non cereal crop production area is
(a) 1
(b) 2
(c) 3
(d) 4
Explanation:
It is the Rann of kutch and Gujarat region and some parts of Maharashtra, non-cereal producing area. It is Cotton and Jute producing area. 1. Wheat production area, 2. Rice producing area, 3. Cereals producing area.