1501: The basic reason for the extraordinary sparkle of a suitably cut diamond is that
(a) it has a very high transparency
(b) it has a very high refractive index
(c) it is very hard
(d) it has well-defined cleavage planes
1502: A Parliamentary bill passed by the Lok Sabha is sent to the President for assent. The President sends it back to Lok Sabha for reconsideration. If the Lok Sabha again sends it back to the President without making any changes, the President:
(a) Must give his assent to it
(b) Can again send the bill for reconsideration
(c) Can take help of the Supreme Court
(d) Can arrange referendum
1503: The final product of photosynthesis is:
(a) Carbohydrates
(b) Carbon dioxide
(c) Oxygen
(d) Water
1504: With reference to the blood in a normal person, which one of the following statements is correct?
(a) Compared to arteries, veins are less numerous and hold less of the body's blood at any given time
(b) Blood cells constitute about 70 per cent of the total volume of the blood
(c) White Blood Cells (WBC) are made by lymph nodes only
(d) The blood has more platelets than WBC
1505: 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