691: An aqueous solution of copper sulphate is acidic in nature because the salt undergoes
(a) dialysis
(b) electrolysis
(c) hydrolysis
(d) photolysis
692: Arrange the following in descending order of their life spans
A. Elephant
B. Horse
C. Tiger
D. Wolf
(a) A, B, C, D
(b) A, C, B, D
(c) C, A, B, D
(d) D, A, B, C
693: Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the Earth's equator.
4. The orbit is at an altitude of 22,236 km.
Select the correct answer using the codes given below:
(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 Only
(d) 1, 2, 3 and 4
694: Consider the following statements : Small scale industries are, in most cases, not as efficient and competitive as the large scale ones. Yet the Government provides preferential treatment and reservations in a range of products to the small firms because small scale industries
I. provide higher employment on a per unit capital deployment basis.
II. promote a regional dispersion of industries and economic activities.
III. have performed better in export of manufactured products than the large scale ones.
IV. provide jobs to low skill workers, who otherwise may not find employment avenues elsewhere.
Which of the above statements are correct ?
(a) I and IV
(b) I and II
(c) II and III
(d) III and IV
695: How is Sarosh Zaiwalla well-known as ?
(a) A leading wildlife photographer
(b) A leading orthopaedic surgeon
(c) A leading theatre personality
(d) A leading international legal expert