41: Which one of the following agricultural practices is eco-friendly ?
(a) Organic farming
(b) Shifting cultivation
(c) Cultivation of high-yielding varieties
(d) Growing plants in glass-houses
42: The only anthropoid ape to be found in India is the
(a) hanuman monkey
(b) liontailed macaque of Western Ghats
(c) slow loris of Assam
(d) whitebrowed gibbon of Assam
43: Which one of the following is the correct statement on the basis of Census 2001?
(a) Bihar has the highest percentage of the Scheduled Caste of its population
(b) The decadal growth of population of India (1991-2001) has been below 20%
(c) Mizoram is the Indian State with the least population
(d) Pondicherry has the highest sex ration among the Union Territories
44: A man jumped at a speed of 5 metres per second from a stationary boat and the boat moved off with the speed of 0.5 metre per second. How many times is the mass of the boat greater than that of the man ?
(a) 5.5 times
(b) 4.5 times
(c) 2.5 times
(d) 10 times
45: Where was the World Summit on Sustainable Development (Rio + 10) held ?
(a) Johannesburg
(b) Shanghai
(c) Nova Scotia
(d) Davos