1941: Consider the following which can be found in the ambient atmosphere:
1. Soot
2. Sulphur hexafluoride
3. Water vapour
Which of the above contribute to the warming up of the atmosphere ?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
1942: The damage to the Spektr Module of the Russian Space Station Mir was due to
(a) collision with a Soyuz cargo ship
(b) faulty material design of the Spektr Module
(c) explosion inside the space station
(d) collision with an asteroid
1943: In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason?
(a) Sea surface temperatures are low
(b) Inter-Tropical Convergence Zone seldom occurs
(c) Coriolis force is too weak
(d) Absence of land in those regions
1944: Among the following, who are the Agarean community?
(a) A traditional toddy tappers community
(b) A traditional fishing community of Maharashtra
(c) A traditional silk-weaving community of Karnataka
(d) A traditional salt pan workers community of Gujarat
1945: Microbial fuel cells are considered a source of sustainable energy, Why ?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water treatment plants to cleanse water and produce electricity.
Which of the Statements given above is/are correct?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3