3261: What is the role of ultraviolet (UV) radiation in the water purification systems?
1. It inactivates/kills the harmful micro-organism in water.
2. It removes all the undesirable odours from the water.
3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3262: Consider the following statements:
1. Second World Buddhist Summit was held in Bangkok in November-December, 2004.
2. World Punjabi Conference was held in Jalandhar in December, 2004.
3. 4th Meeting of the SARRC Trade Ministers was held in Islamabad in November, 2004.
Which of the following statements given above is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) 3 only
(d) 1, 2 and 3
3263: Which of the following pairs is/are correctly matched ? Spacecraft Purpose
1. Cassini -Huygens Orbiting the: Venus and transmitting data to the Earth
2. Messenger: Mapping and investigating the Mercury
3. Voyager 1 and 2: Exploring the outer solar system
Select the correct answer using thecode given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3264: The term "Imperial preference" was applied to the
(a) special privileges on British imports in India
(b) racial discrimination by the Britishers
(c) subordination of Indian interest to that of the British
(d) preference given to British political agents over Indian Princes
3265: The official associated with land revenue collection in the Maratha administration in medieval India was
(a) Patel
(b) Kulkarni
(c) Mirasdar
(d) Silhadar