626: Protective action against harmful household insects and pests can be taken by the use of
(a) Infrasonic waves
(b) Microwaves
(c) Ultrasonic waves
(d) Low frequency radio waves
627: Six persons M, N, O, P, Q and R are sitting in two rows, three in each. Q is not at the end of any row. P is second to the left of R, O is the neighbour of Q and is sitting diagonally opposite to P. N is the neighbour of R. On the basis of above information, who is facing N ?
(A) R
(B) Q
(C) P
(D) M
628: How many letters of the English alphabet (capitals) appear same when looked at in a mirror?
(A) 9
(B) 11
(C) 10
(D) 12
629: The following figure represents sales (in thousands) over the period 1978 to 1983 :
The sales in 1981 exceeded that in 1979 by
(a) Rs. one hundred
(b) Rs. ten thousand
(c) Rs. one lakh
(d) Rs. ten lakh
630: India enacted The Geographical Indications of Goods (Registration and Protection) Act, 1999 in order to comply with the obligations to
(a) ILO
(b) IMF
(c) UNCTAD
(d) WTO