Environmental Science (3110007) MCQs

MCQs of Introduction of Environment

Showing 51 to 60 out of 131 Questions
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51.
Loss or removal of the superficial layer of soil by the action of water, wind or by the activities of man is termed as
(a) Soil pollution
(b) Desertification
(c) Salination
(d) Soil erosion
Answer:

Option (d)

52.
Earth Day is celebrated on _____________________.
(a) 5th June
(b) 12th May
(c) 22nd April
(d) 22nd May
Answer:

Option (c)

53.
Stratosphere contains an important spices which protects life on Earth is _______________.
(a) Oxygen
(b) Ozone
(c) Nitrogen
(d) Hydrogen
Answer:

Option (b)

54.
A zone consisting of Land, water and air which supports life is called.
(a) Biosphere
(b) Atmosphere
(c) Lithosphere
(d) Hydrosphere
Answer:

Option (a)

55.
The graphical representation of an orginasm position as well as function at successive trophic levels called ______________________.
(a) Food chain
(b) Food web
(c) Ecological pyramid
(d) Biogeochemical cycle
Answer:

Option (c)

56.
The Equitable use of resources is necessary for _________________________.
(a) sustainable development
(b) better Life Style for man
(c) Sustain natural wealth
(d) All of the above.
Answer:

Option (a)

57.
The average number of persons living per sq. km. is known as ________________.
(a) Community
(b) Population growth
(c) Population
(d) Population density.
Answer:

Option (d)

58.
Any material that can be transformed into more valuable and useful product or service is called __________________.
(a) Resource
(b) mineral
(c) element
(d) product
Answer:

Option (a)

59.
Among the given options, which one is not correct for the use of large amount of fertilisers and pesticides ?
(a) They are eco-friendly
(b) They turn the fields barren after some time
(c) They adversely affect the useful component from the soil
(d) They destroy the soil fertility
Answer:

Option (a)

60.
Which is not true?
(a) Lithosphere includes the crust and the uppermost mantle
(b) Lithosphere is underlain by the stratosphere
(c) Lithosphere provides timber
(d) Lithosphere is broken into tectonic plates
Answer:

Option (b)

Showing 51 to 60 out of 131 Questions
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