461: Paraffin is a by-product of
(a) Petroleum refining
(b) Processing of agricultural wastes
(c) Cottage industries involving beekeeping
(d) Leather industry
462: In a question paper, there are four multiple choice questions. Each question has five choices with only one choice for its correct answer. What is the total number of ways in which a candidate will not get all the four answers correct?
(A) 19
(B) 120
(C) 1024
(D) 624
463: 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
464: Mixed farming means:
(a) Simultaneous cultivation of a number of crops in a single field
(b) Alternate cropping in a field
(c) Growing fruits and vegetables in the same field
(d) None of these
465: Neolithic period of age is not characterised by:
(a) Agriculture
(b) Use of copper
(c) Domestication of animals
(d) Fishing