3846: The year of 'Great Divide', in Indian demography, is:
(a) 1905
(b) 1921
(c) 1947
(d) 1965
3847: The release of which one of the following into ponds and wells helps in controlling the mosquitoes?
(a) Gambusia fish
(b) Snail
(c) Crab
(d) Dogfish
3848: Consider the following statements :
1. The Charter Act 1853 abolished East India Company monopoly of Indian trade.
2. Under the Government of India Act,1858, the British Parliament abolished the East India company altogether and undertook the responsibility of ruling India directly.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3849: Match List I with List II and select the correct answer using the codes given below the lists :
List I------------- List II
I. Blue vitriol (A) Sodium bicarbonate
II. Epsom salt (B) Sodium hydroxide
III. Baking soda (C) Magnesium sulphate
IV. Caustic soda (D) Copper sulphate
Codes:
(a) I-C, II-D, III-B, IV-A
(b) I-D, II-C, III-C, IV-A
(c) I-C, II-D, III-A, IV-B
(d) I-D, II-C, III-A, IV-B
3850: In track meets both 100 yards and 100 metres are used as distances. By how many metres is 100 metres longer than 100 yards ?
(a) 0.856 m
(b) 8.56 m
(c) 0.0856 m
(d) 1.0 m