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

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

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

(a) Decomposers

(b) Consumers

(c) Producers

(d) Carnivores

3) Biotic environment includes

 a) producers 

 b) consumers

  c) decomposers 

 d) all the above

4) Abiotic environment does not include

  a) air 

b) water

c) soil 

d) plants

5) In which one of the following sound travels fast

a) Solid

b) Air

c) Water

d) Vacuum

6) The pollutant responsible for ozone holes is ____________.

a) CO₂

b) SO₂

c) CO

d) CFC

7) When trees are cut, amount of oxygen

a) decreases 

b) increases

c) both (a) and (b) 

d) remains same

8) Which part of plant evaporates water ?

a) Stomata

b) Fruit

c) Branch

d) Root

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

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

a) Diarrhoea 

b) Hypertension

c) Deafness 

d) Irritation

11) In services output, India is:

a) 10

b)12

c) 15

d) 4

12) Energy flow in ecosystem is given by:

(a) Haeckel

(b) Odum

(c) Tansely

(d) Ramdeo Mishra

13) Which one is non luminous

a) Moon

b) Sun

c) Star

d)Comet

14) hich country has the maximum number of tube-wells in the world ?

a) China

b) Australia

c) America

d)India

15) Sugar is form of ______________

a) Protein

b) Fat

c) Water

d) Carbohydrate