NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Greenhouse Effect Multiple Choice Questions
MCQs on Greenhouse Effect :
1. These are features of higher energy level and shorter wavelengths
(a) infrared radiation
(b) alpha radiation
(c) beta radiation
(d) ultraviolet radiation
Answer
Answer: (d)
2. Normal greenhouse effect is essential for sustenance of life on Earth as it has raised the surface temperature of earth by
(a) 15 ℃
(b) 33 ℃
(c) –18 ℃
(d) 50 ℃
Answer
Answer: (b)
3. Wavelength of infrared radiations is
(a) shorter
(b) longer
(c) infinite
(d) zero
Answer
Answer: (b)
4. Greenhouse gases present in very high quantity is
(a) ethane
(b) carbon dioxide
(c) propane
(d) methane
Answer
Answer: (b)
5. Gas molecules absorbing thermal infrared radiation and present in large quantity to change the climate system is known as
(a) ozone gases
(b) beta radiations
(c) alpha radiations
(d) greenhouse gases
Answer
Answer: (d)
6. Burning of fossil fuels
(a) increased oxygen level
(b) increases greenhouse gases
(c) decreases greenhouse gases
(d) increased ethane level
Answer
Answer: (b)
7. This is the most potent greenhouse gas in terms of efficiency
(a) N2O
(b) CFC
(c) C2O
(d) CH4
Answer
Answer: (b)
8. This statement is false about greenhouse effect
(a) life on earth is possible due to greenhouse effect
(b) greenhouse effect is a natural process that maintains earth’s temperature
(c) increased emission of greenhouse gases is a natural process
(d) increased emission of greenhouse gases in the atmosphere increases earth’s temperature
Answer
Answer: (c)
9. The one which is not considered as naturally occurring greenhouse gas is
(a) ethane
(b) methane
(c) carbon dioxide
(d) nitrous oxide
Answer
Answer: (a)
10. Relative contribution of various greenhouse gases to total global warming will not be
(a) CFCs – 14%
(b) N2O – 12%
(c) Carbon dioxide – 60%
(d) Methane – 20%
Answer
Answer: (b)