4231: The sun derives its energy from:

(a) Nuclear fission reactions.

(b) Nuclear fusion reactions.

(c) Oxidation of helium.

(d) Fission of noble metals.
4232: Consider the following pairs : Region Well-known for the production of

1. Kinnaur : Area nut
2. Mewat : Mango
3. Coromandel : Soya bean

Which of the above pairs is/are correctly matched ?

(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
4233: Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the East exactly at 6.48 p.m. on the first day. On the fourth day, at what time will it rise?
(a) 8.24 p.m.
(b) 9.12 p.m.
(c) 10.00 p.m.
(d) 11.48 p.m.
4234: The principal cause of soil damage in Punjab and Haryana is:

(a) Salinity and water-logging

(b) Deforestation

(c) Ravine erosion

(d) Overgrazing
4235: Who among the following Bhakti leaders used the medium of dance and songs (Kirtans) to make one feel the personal presence of god near him?

(a) Shankaradeva

(b) Chandidasa

(c) Jnanadeva

(d) Chaitanya Mahaprabhu