4561: Who among the following introduced the famous Persian Festival of NAUROJ in India?
(a) Balban
(b) Iltutmish
(c) Firuz Tughlaq
(d) Ala-ud-din Khilji
4562: B.R. Ambedkar was elected to the Constituent Assembly from
(a) West Bengal
(b) the Bombay Presidency
(c) the then Madhya Bharat
(d) Punjab
4563: 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
4564: If in an election to a State Legislative Assembly the candidate who is declared elected loses his deposit, it means that
(a) the polling was very poor
(b) the election was for a multi-member constituency
(c) the elected candidate's victory over his nearest rival was very marginal
(d) a very large number of candidates contested the election
4565: Which one of the following is the correct statement on the basis of Census 2001?
(a) Bihar has the highest percentage of the Scheduled Caste of its population
(b) The decadal growth of population of India (1991-2001) has been below 20%
(c) Mizoram is the Indian State with the least population
(d) Pondicherry has the highest sex ration among the Union Territories