Environmental Science GK MCQ Questions SET-1 with Answers free PDF Download

We have provide GK MCQ Questions for Environmental Science GK questions with Answers free PDF. Download based on the important concepts and topics given in the textbook as per new exam pattern. All these Environmental Science GK MCQs Multiple Choice Questions with Answers provided here with detailed solutions. Use them as reference and be confident in the actual exam by practicing the MCQ Quiz Questions of Environmental Science GK as much as you can. Each question has four options followed by the right answer.

MCQ Questions for Environmental Science GK with Answers

Q1. Which of the following enhances soil fertility?

(i) Crop rotation
(ii) Improved methods of agriculture
(iii) Using new seed varieties
(iv) Irrigation

(i) Crop rotation

Q2. World Ozone day is

(i) March 16
(ii) June 5
(iii) September 16
(iv) November 16

(iii) September 16

Q3. Ramsar Convention refers to the conservation of __

(i) Deserts
(ii) Wetlands
(iii) Agriculture lands,
(iv) Forest land

(ii) Wetlands

Q4. The expansion on PQLI is

(i) Physical quality of life index
(ii) Population quotient of life in India
(iii) Poor quality of life in India
(iv) Poverty, quality of life in India

(i) Physical quality of life index

Q5. Which of the following group of gases cause photochemical smog?

(i) Ozone, PAN and CO
(ii) HC, NO and PAN
(iii) O2, PAN, and NO2
(iv) O3, PAN and NO2

(iv)

Q6. The change of state of ice into water vapour is known as:

(i) Deposition
(ii) Sublimation
(iii) Melting
(iv) Condensation

(ii) Sublimation

Q7. The climate of a given region is

(i) average temperature and precipitation conditions for every day of the year in a given region
(ii) average temperature and precipitation conditions
(iii) its weather patterns
(iv) its weather

(i) average temperature and precipitation conditions for every day of the year in a given region

Q8. An example of one way ecological cycle is

(i) carbon dioxide cycle
(ii) water cycle
(iii) energy cycle
(iv) oxygen cycle

(iii) energy cycle

Q9. Hot spots are regions of high

(i) rarity
(ii) endemism
(iii) critically endangered population
(iv) diversity

(ii) endemism

Q10. The main energy source for the environment is __

(i) Solar energy
(ii) Chemical energy
(iii) Bioelectric energy
(iv) Electrical energy

(i) Solar energy

Q11. The earth’s atmosphere is divided into layers based on the vertical profile of:

(i) Air pressure
(ii) Air temperature
(iii) Air density
(iv) Wind speed

(ii) Air temperature

Q12. Commonly used radioactive isotopes in scientific research

(i) 14 C
(ii) 125 I
(iii) 32 P
(iv) all of these

(iv) all of these

Q13. Carbon dioxide is called greenhouse gas because it is

(i) Transparent to sunlight but traps heat
(ii) Transparent to heat but traps sunlight
(iii) Used in green-house to increase plant growth
(iv) Transparent to both sunlight and heat

(i) Transparent to sunlight but traps heat

Q14. Energy of motion is also known as:

(i) Dynamic energy
(ii) Kinetic energy
(iii) Sensible heat energy
(iv) Static energy

(ii) Kinetic energy

Q15. Energy of motion is also known as:

(i) Dynamic energy
(ii) Kinetic energy
(iii) Sensible heat energy
(iv) Static energy

(ii) Kinetic energy

Q16. The most endangered ecosystem in India

(i) Shola forest ecosystem
(ii) Evergreen forest ecosystem
(iii) Pond ecosystem
(iv) Tundra Ecosystem

(ii) Evergreen forest ecosystem

Q17. The term “Nuclear winter” is associated with

(i) Nuclear War
(ii) Nuclear disarmament
(iii) Nuclear weapon testing
(iv) After effect of a nuclear explosion

(iv) After effect of a nuclear explosion

Q18. The Chipko movement is started by

(i) Engler
(ii) Sunderlal Bahuguna
(iii) Medha Padkar
(iv) None of these

(ii) Sunderlal Bahuguna

Q19. When a liquid thermometer is held in direct sunlight,

(i) It will accurately measure the air temperature
(ii) It will measure a much higher temperature than that of the air
(iii) It will measure a much lower temperature than that of the air
(iv) It will measure the temperature of the sun rather than the air

(ii) It will measure a much higher temperature than that of the air

Q20. Which of the following gas is present at a very high concentration in our environment?

(i) O2
(ii) CO2
(iii) H2
(iv) N2

(iv)

Q21. What is an Incinerator?

(i) Furnace used for burning solid waste
(ii) Furnace used for treating liquid waste
(iii) Both a & b
(iv) None of the above

(i) Furnace used for burning solid waste

Q22. In the middle latitudes of the Northern Hemisphere, surface winds tend to blow _ and _ around an area of surface low pressure.

(i) Clockwise; inward
(ii) Clockwise; outward
(iii) Counterclockwise; inward
(iv) Counterclockwise; outward

(iii) Counterclockwise; inward

Q23. If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first?

(i) Some species will be extincted
(ii) Population and ecological imbalance will rise up
(iii) Energy crisis will occur
(iv) Rest half forests will maintain this imbalance

(i) Some species will be extincted

Q24. _ refers to the phenomenon in that the organisms are exclusively restricted to a given area.

(i) Ecosystem
(ii) Endemism
(iii) Habitat
(iv) Food web

(ii) Endemism

Q25. If water vapour comprises 3.5 percent of an air parcel whose total pressure is 1,000 mb, the water vapour pressure would be:

(i) 1,035 mb
(ii) 35 mb
(iii) 350 mb
(iv) 965 mb

(ii) 35 mb

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