1221: Assertion (A):
Chile continues to be an important producer of copper in the world.
Reason (R):
Chile is endowed with the world's largest deposit of porphyry copper.
(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
1222: Recently, the manuscripts of which one of the following have been included in the UNESCO's Memory of World Register?
(a) Abhidhamma Pitaka
(b) Ramayana
(c) Rig-Veda
(d) Mahabharta
1223: Which one of the following sets of conditions is necessary for a good cultivation of wheat ?
(a) Moderate temperature and moderate rainfall
(b) High temperature and heavy rainfall
(c) High temperature and moderate rainfall
(d) Low temperature and low rainfall
1224: The conclusion that Asia and Africa had a single landmass is provided by:
(a) The deserts in Asia and Africa
(b) The similarity in climate of certain regions of Asia and Africa
(c) The finding of same type of fossil in both the regions
(d) All of these
1225: In a class there are 18 boys who are over 160 cm tall. If these boys constitute three-fourths of the boys and the total number of boys is two-third of the number of students in the class, then what is the number of girls in the class?
(a) 6
(b) 12
(c) 18
(d) 24