591: Neolithic period of age is not characterised by:
(a) Agriculture
(b) Use of copper
(c) Domestication of animals
(d) Fishing
592: Stripes on the back of the animals are the indication of:
(a) Mating habit
(b) Food habit
(c) Cave dwelling
(d) Matching of skin colour with surroundings
593: Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are
(a) acute diarrhoea, cancer and gout
(b) malaria, acute diarrhoea and schistosomiasis
(c) onchocerciasis, leukaemia and arthritis
(d) rheumatism, malaria and AIDS
594: Assertion (A):
During the time of Akbar, for every ten cavalrymen, the mansabdars had to maintain twenty horses.
Reason (R):
Horses had to be rested while on march and replacements were necessary in times of war.
(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
595: What could be the main reasons for the formation of African and Eurasian desert belt ?
1. It is located in the sub-tropical high pressure cells.
2. It is under the influence of warm ocean currents.
Which of the statements given above is/are correct in this context?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2