1196: Less dew is formed on cloudy nights because:
(a) Clouds absorb the falling dew
(b) Clouds scatter moisture
(c) In cloudy nights the radiation takes place very slowly
(d) In cloudy nights the radiation takes place very quickly
1197: Even though the Railways are the most pervasive mode of transport in India, it is the road transport which received the maximum impetus in most of the post-independence period. Which of the following are the reasons for this ?
I. Railways are cheap to operate but the associated capital costs are very high.
II. Given the geographic spread of the human settlements, it is unrealistic that the railways alone can serve the needs of transport.
III. The per unit (tonne/km) cost of transport is cheaper in road compared to rail transport.
IV. Given the indivisible nature of the Railways, it is not always convenient for the population to avail of it with the same ease as private cars, buses or two-wheelers.
Select the correct answer from the codes given below
Codes:
(a) I, II and III
(b) I, II and IV
(c) I, III and IV
(d) II, III and IV
1198: From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?
(a) Sathyamangalam Tiger Reserve
(b) Nallamala Forest
(c) Nagarhole National Park
(d) Seshachalam Biosphere Reserve
1199: One local and another express train were proceeding in the same direction on parallel tracks at 29 km/hour and 65 km/hour respectively. The driver of the former noticed that it took exactly 16 seconds for the faster train to pass by him. What is the length of the faster train?
(a) 60 m
(b) 120 m
(c) 160 m
(d) 240 m
1200: A, B, C, D, E and F, not necessarily in that order are sitting on six chairs regularly placed around a round table. It is observed that
1. A is between D and F,
2. C is opposite D,
3. and D and E are not on neighbouring chairs.
Which one of the following pairs must be sitting on neighbouring chairs ?
(a) A and B
(b) C and E
(c) B and F
(d) A and C