1346: 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
1347: Bile is secreted by:
(a) Liver
(b) Gall bladder
(c) Kidney
(d) Pancreas
1348: Consider the following statements :
1. The Richter scale is a logarithmic scale and so an increase of 1 magnitude unit represents a factor of 10 times in amplitude.
2. Each integer reading of the Richter scale has an energy 100 times that of the previous integer reading.
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
1349: The trees of spruce, fir, pine, etc. are found in which of the following natural regions of the earth?
(a) Laurentian type
(b) Alpine type
(c) Taiga type
(d) Siberian type
1350: After consolidating his power, Balban assumed the grand title of
(a) Tute-i-Hind
(b) Kaisr-i-Hind
(c) Zil-i-Ilahi
(d) Din-i-Ilahi