1221: Consider the following statements:
1. The Islamic Calendar is twelve days shorter than the Gregorian Calendar.
2. The Islamic Calendar began in AD 632.
3. The Gregorian Calendar is a solar calendar.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2
(c) 1 and 3
(d) 3 only
1222: Consider the following ecosystems:
1. Taiga
2. Tropical evergreen
3. Tropical deciduous
4. Tundra
The correct sequence in decreasing order of the albedo values of these ecosystems is
(a) 1, 4, 3, 2
(b) 4, 1, 2, 3
(c) 4, 1, 3, 2
(d) 1, 4, 2, 3
1223: Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine ?
(a) Malaria is caused by several species of Plasmodium
(b) Man does not develop, immunity to malaria during natural infection
(c) Vaccines can be developed only against bacteria
(d) Man is only an intermediate host and not the definitive host
1224: The sea territory of India extends up to:
(a) 4 nautical miles
(b) 12 nautical miles
(c) 200 nautical miles
(d) None of these
1225: Under the Permanent Settlement, 1793, the zamindars were required to issue pattas to the farmers which were not issued by many of the zamindars. The reason was
(a) the zamindars were trusted by the farmers
(b) there was no official check upon the zamindars
(c) it was the responsibility of the British Government
(d) the farmers were not interested in getting pattas