751: Assertion (A) : There are no tea plantations in any African country.
Reason (R) : Tea plants need fertile soil with high humus.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
752: Which one of the following was used as a chemical weapon in the First World War?
(a) Carbon monoxide
(b) Hydrogen cyanide
(c) Mustard gas
(d) Water gas
753: Which one of the following is INCORRECT in respect of Parliamentary Control over the Budget?
(a) Parliament has no say in the preparation of the budget
(b) Parliament has the power to increase expenditure charged on the Consolidated Fund
(c) Parliament has no power to impose a tax without the President's recommendation
(d) Parliament has no power to increase a tax without the President's recommendation
754: Hormones which are necessary for the development of the human body are secreted by:
(a) Thyroid gland
(b) Pituitary gland
(c) Parathyroid gland
(d) Exocrine gland
755: Which one of the following approaches comes under the category of biotechnology?
(a) Use of living organisms or substances obtained from them in industrial processes
(b) Modernizing the commercial industries to produce products for use in biological research
(c) Use of modern technology to investigate biological disorders
(d) Use of industrial technology to increase the biosphere