866: Which one of the following countries is the leading producer of uranium?

(a) United States of America
(b) Zambia
(c) Canada
(d) Germany
867: Which one of the following plants can fix nitrogen from air?

(a) Rice

(b) Wheat

(c) Pea

(d) Maize
868: Different seasons are formed because:

(a) Sun is moving around the earth

(b) Of revolution of the earth around the sun on its orbit

(c) Of rotation of the earth around its axis

(d) All of the above
869: How many judges are there in the International Court of Justice?

(a) 10

(b) 12

(c) 15

(d) 20
870: The January isotherm taken as a basis for dividing India into tropical and sub-tropical zones is

(a) 21°C

(b) 18°C

(c) 12°C

(d) 15°C