791: Consider the following :

1. Bats
2. Bears
3. Rodents

The phenomenon of hibernation can be observed in which of the above kinds of animals?

(a) 1 and 2 only
(b) 2 only
(c) 1, 2 and 3
(d) Hibernation cannot be observed in any of the above.
792: Assertion (A):

Partition of Bengal in 1905 brought to an end the Moderates role in the Indian freedom movement.

Reason (R):

The Surat session of Indian National Congress separated the Extremists from the Moderates.

(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
793: The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs

(a) the water vapour of the air and retains its heat

(b) the ultraviolet part of the solar radiation

(c) all the solar radiations

(d) the infrared part of the solar radiation
794: Consider the following:

1. Oxides of Hydrogen

2. Oxides of Nitrogen

3. Oxides of Sulphur

Which of the above causes/cause acid rain ?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
795: Each of the persons A, B, C, D and E possesses Unequal number (<10) of similar items. A, B and C possess 21 items in all, while C, D and E possess 7 items in all. How many items do A and B possess in all?

(A) 17
(B) 15
(C) 18
(D) Data is insufficient