636: If the Speaker of the State Legislative Assembly decides to resign, he should submit his resignation to the:
(a) Chief Minister
(b) Deputy Speaker
(c) Judge of the High Court
(d) President
637: Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why?
1. Southern hemisphere has less landmass as compared to northern hemisphere
2. Coriolis force is higher in southern hemisphere, as compared to northern hemisphere
Which of the statements given above isl are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
638: A stone is tied to a rope and attached to a wooden bar which rotates at constant angular velocity. Suddenly the bar is stopped. The stone gets encircled around the bar. What happens to the angular velocity of the stone.
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases and then decreases
639: A cloth is woven with white and violet colour threads alternatively for 2 cm in one direction and with white and grey colour threads for 2 cm in the perpendicular direction. Which of the following patterns would emerge?
(a) Squares of two colours
(b) Squares of three colours
(c) Squares of four colours
(d) Stripes of four colours
640: In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as
(a) pesticides in agriculture
(b) preservatives in processed foods
(c) fruit-ripening agents
(d) moisturising agents in cosmetics