2641: Chemical composition of pearl is:
(a) Calcium carbonate
(b) Calcium carbonate and magnesium carbonate
(c) Calcium sulphate
(d) Calcium chloride
2642: Some Buddhist rock-cut caves are called Chaityas, while the others are called Viharas. What is the difference between the two?
(a) Vihara is a place of worship, while Chaitya is the dwelling place of the monks
(b) Chaitya is a place of worship, while Vihara is the dwelling place of the monks
(c) Chaitya is the stupa at the far end of the cave, while Vihara is the hall axial to it
(d) There is no material difference between the two
2643: Consider the following:
1. Oxides of Hydrogen
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above causes/cause acid rain ?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
2644: Following are the characteristics of an area in India:
1. Hot and humid climate
2. Annual rainfall 200 cm
3. Hill slopes up to an altitude of 1100 metres
4. Annual range of temperature 15 degree celcius to 30 degree celcius.
Which one among the following crops are you most likely to find in the area described above ?
(a) Mustard
(b) Pepper
(c) Cotton
(d) Virginia tobacco
2645: Consider the following actions by the Government:
1. Cutting the tax rates
2. Increasing the government spending
3. Abolishing the subsidies
In the context of economic recession, which of the above actions can be considered a part of the "fiscal stimulus" package ?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3