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Environmental Science MCQ Questions and answers | EVS MCQ

Learn and practice General Knowledge questions and answers on Environmental Science MCQ with very easy and understandable explanations. EVS MCQ questions are very helpful different type of competitive ex Page-7 section-4

Each section contains 100 MCQs on Environmental Science .
61
Conservation within the natural habitat is
Discuss
Answer & Solution
Answer: Option A
Solution:
Conservation within the natural habitat is insitu conservation.
62
Low level ozone is referred to as __________ ozone.
Discuss
Answer & Solution
Answer: Option A
Solution:
Low level ozone is referred to as tropospheric ozone.
63
The main atmospheric layer near the surface of earth is
Discuss
Answer & Solution
Answer: Option A
Solution:
The atmosphere has 4 layers: the troposphere that we live in near the surface of the earth; the stratosphere that houses the ozone layer; the mesosphere, a colder and lower density layer with about 0.1% of the atmosphere; and the thermosphere, the top layer, where the air is hot but very thin.
64
Water used for paper mills should not contain
Discuss
Answer & Solution
Answer: Option C
Solution:
Water used for paper mills should not contain iron.
65
Blue revolution is associated with
Discuss
Answer & Solution
Answer: Option D
Solution:
The term "blue revolution" refers to the remarkable emergence of aquaculture as an important and highly productive agricultural activity. Aquaculture refers to all forms of active culturing of aquatic animals and plants, occurring in marine, brackish, or fresh waters.
66
Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?
Discuss
Answer & Solution
Answer: Option D
Solution:
All of the above
67
According to Wein's displacement law, the wavelength at which maximum radiation occurs
Discuss
Answer & Solution
Answer: Option A
Solution:
According to Wein's displacement law, the wavelength at which maximum radiation occurs is inversely proportional to the temperature.
68
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
Discuss
Answer & Solution
Answer: Option D
Solution:
It is inverted in shape.
69
When a liquid thermometer is held in direct sunlight,
Discuss
Answer & Solution
Answer: Option B
Solution:
When a liquid thermometer is held in direct sunlight, it will measure a much higher temperature than that of the air.
70
The climate of a given region is
Discuss
Answer & Solution
Answer: Option A
Solution:
The climate of a given region is average temperature and precipitation conditions for every day of the year in a given region