4196: Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
4197: Assertion (A) :
Sodium metal is stored under kerosene.
Reason (R):
Metallic sodium melts when exposed to air.
(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
4198: Consider the map given below :
The places marked A, B, C and D in the map are respectively
(a) Rift valley region, Chattisgarh plain, Rain shadow region and Chotanagpur plateau
(b) Chattisgarh plain, Chotanagpur plateau, Rift valley region and Rain shadow region
(c) Rift valley region, Chattisgarh plain, Chotanagpur plateau and Rain shadow region
(d) Chattisgarh plain, Rain shadow region, Chotanagpur plateau and Rift valley region
4199: Which reference to the Wholesale Price Index (WPI), consider the following statements:
1. The new WPI series with base 1993-94 = 100 became effective from April 1998
2. In the new WPI series, became effective from 1 April 2000. Statements 2 and 3 are correct
3. The weight for electricity has increased in the new WPI series
Which of these statements are correct ?
(a) 1, 2 and 3
(b) 2 and 3
(c) 1 and 3
(d) 1 and 2
4200: Which of the following terms is used to denote the heavy rocks of the lithosphere ?
(a) Substratum
(b) SIAL
(c) SIMA
(d) None of the above