4016: In the grasslands, trees do not replace the grasses as a part of an ecological succession because of
(a) insects and fungi
(b) limited sunlight and paucity of nutrients
(c) water limits and fire
(d) None of the above
4017: While delivering the presidential address, the Congress President who advocated the introduction of Roman script for Hindi language was
(a) Mahatma Gandhi
(b) Jawaharlal Nehru
(c) Abul Kalam Azad
(d) Subhas Chandra Bose
4018: Examine the following relationships among members of a family of six persons A, B, C, D, E and F.
I. The number of males equals that of females.
II. A and E are sons of F.
III. D is the mother of two, one boy and one girl.
IV. B is the son of A.
V. There is only one married couple in the family at present.
Which one of the following inferences can be drawn from the above ?
(a) A, B and C are all females
(b) A is the husband of D
(c) E and F are children of D
(d) D is the grand-daughter of F
4019: "It made its proposals in May, It still wanted a united India. There was to be a Federal Union composed of British provinces".
The above quotation is related to
(a) Simon Commission
(b) Gandhi-Irwin Pact
(c) Cripps Mission
(d) Cabinet Mission
4020: How is Gabriel Garcia Marquez well known as ?
(a) Known for research in agriculture
(b) A renowned football coach
(c) A great writer who won the Nobel Prize for literature
(d) Known for research in railway engineering