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. Biodiversity is
(i) Increases towards the equator
(ii) Decreases towards the equator
(iii) Remains same throughout the planet
(iv) Has no effect on change in latitude
(i) Increases towards the equator
Q2. All food chains starts with __ and ends with decay.
(i) Environment
(ii) Organisms
(iii) Photosynthesis
(iv) Fungi
(iii) Photosynthesis
Q3. The most abundant gases in the earth’s atmosphere by volume are:
(i) Carbon dioxide and nitrogen
(ii) Oxygen and water vapor
(iii) Nitrogen and oxygen
(iv) Oxygen and helium
(iii) Nitrogen and oxygen
Q4. Solar radiation reaches the earth’s surface as:
(i) Visible radiation only
(ii) Ultraviolet radiation only
(iii) Infrared radiation only
(iv) Ultraviolet, visible, and infrared radiation
(iv) Ultraviolet, visible, and infrared radiation
Q5. Organisms having the potential for interbreeding and producing fertile offspring is called
(i) Class
(ii) Order
(iii) Genus
(iv) Species
(iv) Species
Q6. Red data book contains data of
(i) all plant species
(ii) all animal species
(iii) economically important species
(iv) threatened species
(iv) threatened species
Q7. The horizontal transport of any atmospheric property by the wind is called:
(i) Advection
(ii) Radiation
(iii) Conduction
(iv) Latent heat
(i) Advection
Q8. Snow leopard is found in which National Park?
(i) Kaziranga
(ii) The Great Himalayan
(iii) Bharatpur
(iv) Nagarhole
(ii) The Great Himalayan
Q9. What is the cause of the Exxon Valdez?
(i) Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
(ii) a plane which crashed and caused death of human life
(iii) a ship which wrecked on the coast of India
(iv) none of these.
(i) Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
Q10. Gharial is a
(i) Crocodile
(ii) Cobra
(iii) Tortoise
(iv) Frog
(i) Crocodile
Q11. Nitrogen gas returns to the atmosphere by the action of
(i) Nitrogen fixing bacteria
(ii) Denitrifying bacteria
(iii) Nitrifying bacteria
(iv) Nitrate fertilizers
(ii) Denitrifying bacteria
Q12. What is troposphere?
(i) Portion of air
(ii) Portion of water
(iii) Lowest layer of atmosphere where we survive
(iv) Portion of sky
(iii) Lowest layer of atmosphere where we survive
Q13. Most of the radiation emitted by a human body is in the form of:
(i) Ultraviolet radiation and is invisible
(ii) Visible radiation but is too weak to be visible
(iii) Infrared radiation and is invisible
(iv) Humans do not emit electromagnetic radiation
(iii) Infrared radiation and is invisible
Q14. Ecotype is a type of species in which environmentally induced variations are
(i) Temporary
(ii) Genetically fixed
(iii) Genetically not related
(iv) None of the above
(ii) Genetically fixed
Q15. What is deep ecology?
(i) Protecting nature for its own sake
(ii) Ecology of deep sea
(iii) Ecology of forest
(iv) Ecology of caves
(i) Protecting nature for its own sake
Q16. Sinking air warms by this process:
(i) Compression
(ii) Expansion
(iii) Condensation
(iv) Friction
(i) Compression
Q17. The controversial dam across the river Narmada?
(i) Sardar Sarovar
(ii) Hirakud
(iii) Bhakranangal
(iv) Sutlej.
(i) Sardar Sarovar
Q18. Water vapour is:
(i) A gas
(ii) A cloud droplet
(iii) A rain drop
(iv) A snowflake
(i) A gas
Q19. Which of the following processes acts to remove carbon dioxide from the atmosphere?
(i) Lightning
(ii) Deforestation
(iii) Photosynthesis
(iv) Burning fossil fuels
(iii) Photosynthesis
Q20. As the difference between the air temperature and the dew point increases, the relative humidity:
(i) Increases
(ii) Decreases
(iii) Remains constant at a value less than 100%
(iv) Remains constant and equal to 100%
(ii) Decreases
Q21. When human body is infected by infection __ type of cells are activated to defend the body.
(i) erythrocytes
(ii) leukocytes
(iii) lymphocytes
(iv) monocytes
(iii) lymphocytes
Q22. At what time during a 24-hour day would a radiation temperature inversion best be developed?
(i) At sunset
(ii) Near sunrise
(iii) Toward the end of the morning
(iv) Between 2 and 5 pm when the air temperature reaches a maximum
(ii) Near sunrise
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