2256: 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
2257: The path of Halley's comet in its orbit around the sun is
(a) Parabolic
(b) Hyperbolic
(c) Elliptical
(d) Circular
2258: Which one of the following is a useful functional association between fungi and the roots of higher plants ?
(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza
2259: Angora wool is obtained from a breed of
(a) Rabbit
(b) Sheep
(c) Goat
(d) Fox
2260: A rectangular sheet of aluminium foil measuring 5 cm by 10 cm is rolled into a cylinder of height 10 cm. If the cost of painting the cylinder is Rs. 2/- per sq cm, then the cost of painting the surface of the cylinder will be
(a) Rs. 400/-
(b) Rs. 200/-
(c) Rs. 150/-
(d) Rs. 100/-