841: When a person moves from poles to the equator, the population of plants and animals will:
(a) Increase
(b) Decrease
(c) Remain unchanged
(d) Not show any consistent behaviour
842: With reference to the art and archaeological history of India, which one among the following was made earliest?
(a) Lingaraja Temple at Bhubneshwar
(b) Rock-cut Elephant at Dhauli
(c) Rock-cut Monuments at Mahabalipuram
(d) varaha Image at Udayagiri
843: Recently, which of the following States has explored the possibility of constructing an artificial inland port to be connected to sea by a long navigational channel?
(a) Andhra Pradesh
(b) Chhattisgarh
(c) Karnataka
(d) Rajasthan
844: Six books A, B, C, D, E and F are placed side by side. B, C and E have blue cover and the other books have red cover. Only D and F are new books and the rest are old. A, C and D are law reports and others are Gazetteers. What book is a new law report with a red colour ?
845: A hollow sphere of radius R, a hollow cube of side R and a thin circular plate of radius R, made up of the same material, are all heated to 20°C above room temperature. When left to cool in the room, which of them will reach the room temperature first?
(a) Circular plate
(b) Cube
(c) Sphere
(d) All of them will reach the room temperature at the same time