51: With reference to "Look East Policy" of India, consider the following statements:
1. India wants to establish itself as an important regional player in the East Asian affairs.
2. India wants to plug the vacuum created by the termination of Cold War.
3. India wants to restore the historical and cultural ties with its neighbours in Southeast and East Asia.
Which of the statements given above is/are correct?
(a) 1 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
52: The path of Halley's comet in its orbit around the sun is
(a) Parabolic
(b) Hyperbolic
(c) Elliptical
(d) Circular
53: Consider the following statements regarding haemoglobin
1. It contains iron
2. It is a carrier of oxygen in the blood
3. It imparts red color to the blood
4. It provides immunity against certain diseases.
Of these statements
(a) 1, 2 and 4 are correct
(b) 1, 2 and 3 are correct
(c) 1, 3 and 4 are correct
(d) 2, 3 and 4 are correct
54: Which one of the following is used for dating archaeological specimens in wood, bones and shells?
(a) Uranium-238
(b) Argon isotope
(c) Carbon-14
(d) Strontium-90
55: Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons is this attributable ?
1. The anaerobic conditions associated with rice cultivation cause the emission of methane.
2. When nitrogen based fertilizers are used, nitrous oxide, is emitted from the cultivated soil.
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