MCQ Questions for Class 2 EVS. We covered all the MCQ Questions for Class 2 EVS in this post for free so that you can practice well for the exam.
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MCQ Objective Questions for Class 2 EVS Students
The radiation that is absorbed by ozone present in the atmosphere is:
A. Infrared
B. Visible
C. Ultraviolet
D. Microwave
Option c – Ultraviolet
Ozone protects the biosphere from
A. Infrared rays
B. Ultraviolet rays
C. X-rays
D. Gamma rays
Option b – Ultraviolet rays
The ozone layer in the atmosphere:
A. Produces rain
B. Produces pollution
C. Provides safety to life on Earth from ultraviolet radiation
D. Produces oxygen in the atmosphere
Option c – Provides safety to life on Earth from ultraviolet radiation
Why is the ozone layer useful to humanity?
A. It supplies oxygen to the atmosphere
B. It prevents the Sun’s ultraviolet rays from reaching the Earth
C. It controls the temperature of the Earth
D. None of the above
Option b – It prevents the Sun’s ultraviolet rays from reaching the Earth
Harmful ultraviolet radiation coming from the sun can cause:
A. Liver cancer
B. Brain cancer
C. Oral cancer
D. Dermal cancer
Option d – Dermal cancer
World Ozone Day is celebrated on:
A. 16 September
B. 21 April
C. 25 December
D. 30 January
Option a – 16 September
The ozone layer is above the earth’s crust around
A. 50 km
B. 300 km
C. 2000 km
D. 20 km
Option d – 20 km
Which is the lowest layer of the atmosphere?
A. Stratosphere
B. Ozonosphere
C. Ionosphere
D. Troposphere
Option d – Troposphere
A place where the ozone layer is primarily found is:
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Ionosphere
Option b – Stratosphere
Which of the following is not true about chlorofluorocarbon (CFC)?
A. It is used as a refrigerant
B. It is not responsible for the greenhouse effect
C. It is responsible for reducing ozone in the stratosphere
D. It is inactive in the lower atmosphere
Option b – It is not responsible for the greenhouse effect
Which is responsible for the Ozone Hole?
A. CO₂
B. SO₂
C. O₂
D. CFC
Option d – CFC
We covered all the mcq questions for class 2 evs above in this post for free so that you can practice well for the exam.
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