3551: In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration?

1. Abandoned and uneconomic coal seams
2. Depleted oil and gas reservoirs
3. Subterranean deep saline formations

Select the correct answer using the code given below:

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3552: Which one of the following is the most important reason for the establishment of the Vikram Sarabhai Space Centre at Thumba?

(a) The sea is near to the place in the East, West and South directions

(b) It is a place near to a city in India, which is nearest to the Geographic Equator

(c) It is situated on the Geomagnetic Equator

(d) Outer space near Thumba exhibits queer atmospheric phenomena
3553: Consider the following statements about probiotic food :


1. Probiotic food contains live bacteria which are considered beneficial to humans.

2. Probiotic food helps in maintaining gut flora.

(a) 1 only
(b) 2 Only
(c) Both 1 and 2
(d) Neither 1 nor 2
3554: If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original volume ?

(a) 327°C

(b) 600°C

(c) 54°C

(d) 300°C
3555: A table has three drawers. It is known that one of the drawers contains two silver coins, another contains two gold coins and the third one contains a silver coin and a gold coin. One of the drawers is opened at random and a coin is drawn. It is found to be a silver coin. What is the probability that the other coin in the drawer is a gold coin ?

(a) 0.25

(b) 1.00

(c) 0.50

(d) 0.60