36: Low temperatures (Cryogenics) find application in
(a) space travel, surgery and magnetic levitation
(b) surgery, magnetic levitation and telemetry
(c) space travel, surgery and telemetry
(d) space travel, magnetic levitation and telemetry
37: Consider the following minerals:
1. Calcium
2. Iron
3. Sodium
Which of the minerals given above is/are required by human body for the concentration of muscles?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
38: For short-term climate prediction, which one of the following events, detected in the last decade, is associated with occasional weak monsoon rains in the India subcontinent?
(a) La Nina
(b) Movement of Jet Streams
(c) El Nino and Southern Oscillations
(d) Greenhouse effects on global level
39: Assertion (A) :
Panchayati Raj institutions were set up to decentralise planning to village level.
Reason (R) :
Village panchayats are in a better position to have a proper appreciation of their developmental needs.
(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
40: In the shaded area of the above map, the mean temperature for the month of July varies between
(a) 22.5°C - 25.0°C
(b) 25.0°C - 27.5°C
(c) 27.5°C - 30.0°C
(d) 30.0°C - 32.5°C