Environmental Science GK MCQ Questions SET-6 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. __ layer is very near to earth

(i) Stratosphere
(ii) Mesosphere
(iii) Troposphere
(iv) Thermosphere

(iii) Troposphere

Q2. Which of the following rock types would most likely be the best oil reservoir?

(i) Granite
(ii) Shale
(iii) Sandstone
(iv) Salt

(iii) Sandstone

Q3. Good urban planning is essential for __ land use.

(i) Rational
(ii) Irrational
(iii) Planned
(iv) Unplanned

(i) Rational

Q4. The destruction of the forest areas by man made efforts is called

(i) Afforestation
(ii) Deforestation
(iii) Non-forestation
(iv) Bio forestation

(ii) Deforestation

Q5. National Maritime Day of India is celebrated on __

(i) October 16
(ii) April 05
(iii) March 21
(iv) May 22

(ii) April 05

Q6. Pick out the world’s rarest monkey.

(i) Baboon
(ii) Common Marmoset
(iii) Golden langur
(iv) Gibbo

(iii) Golden langur

Q7. Maximum deposition of DDT will occur in

(i) phytoplankton
(ii) crab
(iii) eel
(iv) sea gull

(iv) sea gull

Q8. Phytoplankton are

(i) Producers of forest
(ii) Producers of lakes
(iii) Consumers of Ocean
(iv) Omnivores

(ii) Producers of lakes

Q9. BOD stands for

(i) Biological Oxygen Decrease
(ii) Biotic Oxygen Demand
(iii) Biological Oxygen Demand
(iv) None of the above

(iii) Biological Oxygen Demand

Q10. Salinization is _.

(i) Accumulation of salts in water
(ii) Accumulation of salts in soil
(iii) Accumulation of salts in body
(iv) Accumulation of salts in animals

(ii) Accumulation of salts in soil

Q11. Ganga Action Plan in India was launched in the year _

(i) 1988
(ii) 1986
(iii) 1980
(iv) 1978

(ii) 1986

Q12. Complex interlinked food chains are called

(i) Food Web
(ii) Food net work
(iii) Trophiclevels
(iv) Food pyramid

(i) Food Web

Q13. __ is the most commonly used unit of radiation

(i) Becquerel
(ii) Gray
(iii) Rutherford
(iv) Curie

(iv) Curie

Q14. The historical monument that is affected by acid rain is

(i) Taj Mahal
(ii) Pyramid of Egypt
(iii) Pisa Tower
(iv) Golden Temple

(i) Taj Mahal

Q15. Most harmful environmental pollutants are

(i) natural nutrients in excess
(ii) human organic wastes
(iii) non-biodegradable chemicals
(iv) waste animal feed

(iv) waste animal feed

Q16. Plants that grow in saline water-logged habitat are called

(i) xerophytes
(ii) halophytes
(iii) mangroves
(iv) mesophytes

(iii) mangroves

Q17. The process of successful establishment of the species in a new area is called

(i) sere
(ii) climax
(iii) invasion
(iv) ecesis

(iv) ecesis

Q18. Natural gas that was formed from ancient prehistoric forests is called

(i) Fossil fuels
(ii) petroleum
(iii) Gobar gas
(iv) LPG

(i) Fossil fuels

Q19. Germ Layer includes

(i) mesoderm layer
(ii) ectoderm, mesoderm, endoderm
(iii) ectoderm
(iv) endoderm

(ii) ectoderm, mesoderm, endoderm

Q20. Organisms which depend on Producers for nutrition are called

(i) Autotrophs
(ii) Saprophytes
(iii) Consumers
(iv) Xerophytes

(iii) Consumers

Q21. The study of food chains and food webs is observed in the phenomenon known as

(i) biological chain
(ii) ecosystem
(iii) biological magnification
(iv) energy flow

(iii) biological magnification

Q22. The gradual physiological adjustment to slowly changing new environmental conditions is known as

(i) Selection
(ii) Introduction
(iii) Acclimatization
(iv) Quarantine

(iii) Acclimatization

Q23. The first global environmental protection treaty “The Montreal Protocol” was signed on September 26 in

(i) 1985
(ii) 1990
(iii) 1981
(iv) 1987

(iv) 1987

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