591: Hygrometer is used to measure:
(a) Density of a liquid
(b) Relative humidity of atmosphere
(c) Absorption power of plants
(d) Temperature of air
592: Assertion (A):
The sponsor and the most prominent figure of the Chisti order of Sufis in India is Khwaja Moinuddin Chisti.
Reason (R):
The Chisti order takes its name from a village Chisti in Ajmer.
In the context of the above two statements, which one of the following is correct ?
(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
593: Suresh is now half of his father's age. After 20 years, his father will be one and half times older than Suresh. The present age of Suresh is?
(a) 15
(b) 20
(c) 25
(d) 40
594: Chemical composition of pearl is:
(a) Calcium carbonate
(b) Calcium carbonate and magnesium carbonate
(c) Calcium sulphate
(d) Calcium chloride
595: If a new State of the Indian Union is to be created, which one of the following Schedules of the Constitution must be amended ?
(a) First
(b) Second
(c) Third
(d) Fifth