ENVIRONMENT FOR UPSC PRELIMS 2020 , TEST-15

Q 1 . Consider the following statements regarding geo thermal energy:
1. The predominant source of the Earth’s heat is the gradual decay of radioactive isotopes.
2. It has extensive global distribution and it is accessible in both developed as well as under developed nations.
3. It has low emission of sulphur, CO2 and other greenhouse gases.
4. It is independent of external supply and demand effects and fluctuations in exchange rates.
Which of the above statements are correct?
a) 1,2 and 3
b) 2,3 and 4
c) 1,2 and 4
d) All of the above

Q 2 . Consider the following statements regarding Solar Power Technology:
1. Photovoltaic cells use the ultraviolet radiations to convert solar energy into electric current.
2. Semiconductors (usually silicon) are used to manufacture solar panels.
3. Concentrated Solar power use infrared radiations to heat the water and rotate turbines with the generated steam.
4. Concentrated Solar Power systems generally use a huge convex lens to concentrate energy at its focus.
Which of the above statements are correct?
a) 1 and 2
b) 3 and 4
c) 2 and 3
d) 1,2 and 3

Q 3 . Consider the following statements regarding National Mission on Sustainable Habitats:
1. It is one of the missions under National Action Plan on Climate Change.
2. It works for the development and protection of natural habitats, especially of those species which are at the verge of extinction due to habitat loss.
3. The mission works on development of green corridors to connect protected areas of India.
Which of the above statements are incorrect?
a) 1 and 2
b) 2 and 3
c) 3 only
d) None of the above

Q 4 . Which of the following countries are carbon neutral?
a) Denmark
b) Bhutan
c) Iceland
d) Sweden

Q 5 . Consider the following regarding Green Buildings:
1. Green building refers to both a structure and the using of processes that are environmentally responsible and resource-efficient throughout a building’s life-cycle.
2. GRIHA, an acronym for Green Rating for Integrated Habitat Assessment, is the National Green Building Rating System of India.
3. GRIHA has been developed by TERI.
Which of the above statements are correct?
a) 1 and 2
b) 2 and 3
c) 1 and 3
d) All of the above

Q 6 . Which of the following statements correctly explains an Urban Heat Island?
a) A city or a metropolitan area, which is significantly warmer than the surrounding rural area, due to anthropogenic activities.
b) An island with sudden increase in urbanization activity, increasing its average temperature.
c) A volcanic island where people have settled due to population pressure on the mainland.
d) None of the above

Q 7 . Which of the following is most likely the result of decreasing levels of ozone in the stratosphere?
a) A decrease in the levels of smog in major cities
b) A decrease in the rate of global warming
c) An increase in the occurrence of skin cancer in humans
d) An increase in photosynthetic activity of phytoplankton

Q 8 . Methane, a gas that can be trapped and used for energy, is most likely to be produced by which of the following?
a) Decomposition of organic materials in landfills
b) Burning of organic materials in incinerators
c) Heating of inorganic materials in a high oxygen atmosphere
d) Recycling of metals in recycling plants

Q 9 . Consider the following with respect to the achievements of ‘National Mission on Enhanced Energy Efficiency’
1. Implementation of the Compact Fluorescent Lamp Programme.
2. Green technologies – Fiscal support, innovation, easier financing for green technologies.
3. Encouraging super critical thermal plants
4. Development in technology for Carbon Capture and Storage (CCS)
Select the correct code
a) 1, 2 and 3
b) 2, 3 and 4
c) 1, 2 and 4
d) All

Q 10 . ‘Dirty Dozen’ refers to:
1. 12 most harmful Greenhouse Gases
2. 12 Ozone Depleting Substances
3. 12 Persistent Organic Pollutants
4. 12 carcinogenic metals