76: An air bubble in water will act like a

(a) convex mirror

(b) convex lens

(c) concave mirror

(d) concave lens
77: The human body is immune to which of the following diseases?

(a) Smallpox

(b) Diabetes

(c) Tuberculosis

(d) jaundice
78: Assertion (A):

Information technology is fast becoming a very important field of activity in India.

Reason (R):

Software is one of the major exports of the country and India has a very strong base in hardware.

(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
79: Consider the following :

I. Industrial Finance Corporation of India

II. Industrial Credit and Investment Corporation of India

III. Industrial Development Bank of India

IV. Unit Trust of India

The correct sequence in which the above were established is

(a) I, II, III, IV

(b) I, III, II, IV

(c) IV, III, II, I

(d) I, IV, III, II
80: Which one of the following cities is the seat of Parliament of South Africa?

(a) Cape Town
(b) Johannesburg
(c) Durban
(d) Pretoria