871: Match List I with List II and select the correct answer using the codes given below the Lists :

List I List II

(Characteristic) (Particle)

I. Zero mass (A) Positron
II. Fractional charge (B) Neutrino
III. Fractional spin (C) Quark
IV. Integral spin (D) Phonon

Codes :

(a) I-B, II-C, III-A, IV-D

(b) I-C, II-B, III-D, IV-A

(c) I-B, II-C, III-D, IV-A

(d) I-C, II-B, III-A, IV-D
872: Climate is extreme, rainfall is scanty and the people used to be nomadic herders.

The above statement best describes which of the following regions?

(a) African Savannah

(b) Central Asian Steppe

(c) North American Prairie

(d) Siberian Tundra
873: Which one of the following diseases is caused due to defective genes?

(a) Ulcer

(b) Haemophilia

(c) Diabetes

(d) Cancer
874: Who is Wole Soyinka ?

(A) A novel Prize winner for literature.
(B) A well-known economist
(C) A well-known industrialist owning steel plants in many parts of the world.
(D) A well-known football player
875: When one enters a dark room, he is not able to see anything but after some time his vision improves. This is because:

(a) The retina of the eye comes forward

(b) The retina of the eye moves backward

(c) The pupil of the eye contracts

(d) The pupil of the eye dilates