746: The basic reason for the extraordinary sparkle of a suitably cut diamond is that
(a) it has a very high transparency
(b) it has a very high refractive index
(c) it is very hard
(d) it has well-defined cleavage planes
747: Which one of the following statements is correct?
(a) The Constituent Assembly of India was elected by the Provincial Assemblies in the year 1946.
(b) Jawaharlal Nehru, M.A. Jinnah and Sardar Vallabhbhai Patel were members of the Constituent Assembly of India.
(c) The First Session of the Constituent Assembly of India was held in January, 1947.
(d) The Constitution of India was adopted on 26th January, 1950.
748: Regarding the office of the Lok Sabha Speaker, consider the following statements:
1. He/She holds the office during the pleasure of the President.
2. He/She need not be a member of the House at the time of his/her election but has to become a member of the House within six months from the date of his/her election.
3. If he/she intends to resign, the letter of his/her resignation has to be addressed to the Deputy Speaker.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
749: Municipal water in India is generally treated with:
(a) Chlorine
(b) Potassium permanganate
(c) Sodium Chloride
(d) Sodium Carbonate
750: The Asokan major rock edicts which tell us about the Sangam Kingdom include rock edicts
(a) I and X
(b) I and XI
(c) II and XIII
(d) II and XIV