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
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