2646: Which one of the following is the characteristic climate of the Tropical Savannah Region?
(a) Rainfall throughout the year
(b) Rainfall in winter only
(c) An extremely short dry season
(d) A definite dry and wet season
2647: The Second Round Table Conference was held in
(a) 1930
(b) 1931
(c) 1932
(d) 1935
2648: 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
2649: Consider the following statements regarding biomedication. It involves the use of bacteria and fungi to:
1. Clean up aquifers
2. Clean up toxic dumps
3. Clean up oil spills
4. Cure bacterial and fungal disease
(a) 1 and 2 are correct
(b) 1 and 3 are correct
(c) 1, 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
2650: The difference of two numbers is 1365. On dividing the larger number by the smaller, 6 is obtained as quotient and 15 as remainder. What is the smaller number ?