1011: Which one of the following statements is not correct?
(a) The presence of NaCl increases the rate of setting of Plaster of Paris
(b) Gypsum is added to the cement to slow down its rate of setting
(c) All alkaline earth metals form hydrated salts
(d) Barium and Strontium are found free in nature
1012: Assertion (A) :
60° - 65° latitudes in both the hemispheres have a low pressure belt instead of high pressure.
Reason (R) :
The low pressure areas are permanent over oceans rather than on land.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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
1013: Recently, a series of uprisings of people referred to as `Arab Spring originally started from
(a) Egypt
(b) Lebanon
(c) Syria
(d) Tunisia
1014: At the time of partition of India, which one of the following provinces of the British India came forward with a plan for a united and independent existence ?
(a) Punjab
(b) Assam
(c) Bengal
(d) Bihar
1015: In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what does it imply?
(a) It enjoys the same level of protection as the tiger.
(b) It no longer exists in the wild, a few individuals are under captive protection; and now it is impossible to prevent its extinction.
(c) It is endemic to a particular region of India.
(d) Both (b) and (c) stated above are correct in this context.