2786: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases
2787: The sea coast of which one of the following states has become famous as a nesting place for the giant Olive Ridley turtles from South America?
(a) Goa
(b) Gujarat
(c) Orissa
(d) Tamil Nadu
2788: Assertion (A) :
When a ship moves from the sea water into fresh water of a river, the ship will relatively sink.
Reason (R) :
The density of sea water is higher than that of the fresh water.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2789: Who among the following set a new national record in the women's Pole vault event in the 7th edition of Senior Federation Cup held in Karnataka in the year 2001 ?
(a) G G Pramila
(b) Jyothna Deka
(c) Karamjeet Kaur
(d) Manisha Dey
2790: Where was the selection of suitable candidates for a particular job first started through competitive examinations?
(a) China
(b) Great Britain
(c) U.S.A.
(d) Germany