1541: Nehru Model of Development laid greater stress on:
(a) Collective use of land
(b) Using imported seeds
(c) Agricultural development
(d) Rapid industrialisation with particular emphasis on the development of basic and heavy industries
1542: Arrange the following in the decreasing order of their carbon content:
I. Cast iron
II. Wrought iron
III. Steel
(a) I, II, III
(b) II, I, III
(c) III, II, I
(d) I, III, II
1543: In the map given below, four islands of Indian Ocean region i.e. (A) Seychelles, (B) Chagos, (C) Mauritius and (D) Socatra are marked as 1, 2, 3 and 4. Match them and select the correct answer from the codes given below.
Codes:
A B C D
(a) 1 3 4 2
(b) 3 1 2 4
(c) 1 3 2 4
(d) 3 1 4 2
1544: What would happen if phytoplankton of an ocean is completely destroyed for some reason?
1. The ocean as a carbon sink would be adversely affected.
2. The food chains in the ocean would be adversely affected.
3. The density of ocean water would drastically decrease.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
1545: Which one of the following figures will generate a cone when rotated about one of its straight edges ?
(a) An equilateral triangle
(b) A sector of a circle
(c) A segment of a circle
(d) A right-angled triangle