271: Which one of the following statements is true ?
(a) Union Territories are not represented in the Rajya Sabha
(b) Jurisdiction regarding election disputes rests with the Chief Election Commissioner
(c) The Speaker continues in his post even after the state council is dissolved till a new speaker is elected by the succeeding state council
(d) According to the Indian Constitution Parliament consists of Lok Sabha and Rajya Sabha only
272: 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
273: What is the correct sequence of the following events ?
I. The August Offer
II. The I. N. A. trial
III. The Quit India Movement
IV. The Royal Indian Naval Ratings Revolt
Select the correct answer using the codes given below :
Codes :
(a) I, III, II, IV
(b) III, I, II, IV
(c) I, III, IV, II
(d) III, I, IV, II
274: Assertion (A) :
Activated charcoal is used for decolourising sugar solution.
Reason (R) :
Activated charcoal absorbs the impurities on its surface.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
275: A small wooden block is floating in a tub of water. The water is gradually heated. The volume of the wooden block visible above the water level:
(a) Increases
(b) Decreases
(c) Fluctuates
(d) Remains the same