Environmental Science MCQ Questions Answers EVS Download PDF

Environmental Science MCQ Questions Answers EVS Model Practice Set Download PDF 

Environmental Science MCQ Questions Answers EVS Download PDF Set

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1) Which one of the following pairs of gases are the major causes of “Greenhouse Effect”?

a) CO₂ and N₂O

b) CO₂ and O₃

c) CO₂ and CO

d) CFCs and SO₂

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2) The organisms which feed on dead organisms and excreta of living organisms are known

(a) Decomposers

(b) Consumers

(c) Producers

(d) Carnivores

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3) Biotic environment includes

  a) producers                           

  b) consumers

  c) decomposers                   

  d) all the above

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4) Abiotic environment does not include

  a) air                                         

b) water

c) soil                                         

d) plants

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5) In which one of the following sound travels fast

a) Solid

b) Air

c) Water

d) Vacuum

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6) The pollutant responsible for ozone holes is ____________.

a) CO₂

b) SO₂

c) CO

d) CFC

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7) When trees are cut, amount of oxygen

a) decreases                                           

b) increases

c) both (a) and (b)                                  

d) remains same

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8) Which part of plant evaporates water ?

a) Stomata

b) Fruit

c) Branch

d) Root

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9) Name the substance whose accumulation in pelicans of Lake Michigan led to the formation of thin shells of their eggs.

a) CFC

b) PAN

c) DDT

d) PAC

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10) Which of the following problems is not created by noise pollution ?

a) Diarrhoea                        

b) Hypertension

c) Deafness                         

d) Irritation