3326: The tendency of a liquid drop to contract and occupy minimum area is due to

(a) viscosity
(b) surface tension
(c) density
(d) vapour pressure
3327: In eye donation, which one of the following parts of donor's eye is utilised ?

(a) Iris
(b) Lens
(c) Cornea
(d) Retina
3328: Which one of the following colloidal systems is represented by fog?

(a) Liquid in gas

(b) Gas in liquid

(c) Solid in gas

(d) Liquid in liquid
3329: Which of the following was the first to escape out of solar system?

(a) Pioneer 10

(b) Voyager I

(c) Voyager II

(d) Soyuz
3330: Examine the map given below :

The places marked 1, 2, 3 and 4 were respectively the seats of powers of the

(a) Scindias, Holkars, Gaekwads & Bhonsles
(b) Holkars, Scindias, Gaekwads & Bhonsles
(c) Gaekwads, Bhonsles, Scindias & Holkars
(d) Scindias, Holkars, Bhonsles & Gaekwads