1871: 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
1872: Which one of the following is a man made cereal NOT found in nature?
(a) Dwarf wheat
(b) Hybrid maize
(c) Triticale
(d) Soya bean
1873: Cloudy nights are warmer compared to clear cloudless nights, because clouds
(a) prevent cold waves from the sky from descending on Earth
(b) reflect back heat given off by Earth
(c) produce heat and radiate it towards Earth
(d) absorb heat from the atmosphere and send it towards Earth
1874: The Brahmo Samaj is based on the principles of:
(a) Monotheism
(b) Polytheism
(c) Atheism
(d) Monism
1875: Which of the following was the principal article of food of the Indus Valley people?
(a) Fish
(b) Palm-date
(c) Eggs
(d) Wheat