1871: Sparkling red colour after the blast of fire crackers is due to the presence of:
(a) Strontium
(b) Sodium
(c) Sulphur
(d) Magnesium
1872: The Narmada river flows to the west, while most other large peninsular rivers flow to the east Why?
1. It occupies a linear rift valley.
2. It flows between the Vindhyas and the Satpuras.
3. The land slopes to the west from central India.
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3
(c) 2 and 3
(d) None
1873: With reference to Indian economy, consider the following
1. Bank rate
2. Open market operations
3. Public debt
4. Public revenue
Which of the above is/are component/ components of Monetary Policy?
(a) 1 only
(b) 2, 3 and 4
(c) 1 and 2
(d) 1, 3 and 4
1874: Assertion (A) :
The origin of feudal system in ancient India can be traced to military campaigns.
Reason (R) :
There was considerable expansion of the feudal system during the Gupta period.
(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
1875: Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?
1. Beryllium
2. Cadmium
3. Chromium
4. Heptachlor
5. Mercury
6. Lead
7. Plutonium
Select the correct answer using codes given below.
(a) 1, 2, 3, 5 and 6 only
(b) 2, 4, 5 and 7 only
(c) 1, 3, 4, 6 and 7 only
(d) 1, 2, 3, 4, 5, 6 and 7