841: Distribution of electric power from one place to another is done at high A.C. voltage because:

(a) Wastage of electricity is minimised

(b) Stealing of electric wires is prevented

(c) Electricity spreads in very short time

(d) It adds brightness
842: Which organelle in the cell, other than nucleus, contains DNA ?

(a) Centriole
(b) Golgi apparatus
(c) Lysosome
(d) Mitochondrion
843: Ancient Indian art and architecture reached its zenith during the period of:

(a) Rajputs

(b) Mauryas

(c) Guptas

(d) None of these
844: A candidate attempted 12 questions and secured full marks in all of them. If he obtained 60% in the test and all questions carried equal marks, then what is the number of questions in the test ?
845: The founder of Boys Scouts and Girl Guides Movement in India was

(a) Charles Andrews

(b) Robert Montgomery

(c) Richard Temple

(d) Baden Powel