MCQs on Ozone Layer Depletion For NEET and Medical Exam 2022

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Ozone Layer Depletion Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.


Q.1. Montreal protocol is related to the

(a) food security
(b) global warming
(c) sustainable development
(d) ozone layer depletion

(d) ozone layer depletion


Q.2. This is a major risk linked with extreme ultraviolet rays through the atmosphere as a result of ozone layer depletion

(a) neurological disorder
(b) digestive system gets damaged
(c) increased liver cancer
(d) increased skin cancer

(d) increased skin cancer


Q.3. UV rays is higher in summer as

(a) during summer, ozone is more in the atmosphere
(b) sun is busy in summer specially
(c) sun is closer to planet earth so UV rays have a shorter distance to travel and reach us
(d) none of the above

(c) sun is closer to planet earth so UV rays have a shorter distance to travel and reach us


Q.4. Main cause of ozone holes and its depletion is

(a) propellants
(b) foam-blowing agents
(c) halocarbon refrigerants
(d) all of these

(d) all of these


Q.5. Ozone can be destroyed by the following free radical(s)

(a) chlorine radical (Cl)
(b) hydroxyl radicals (OH)
(c) nitric oxide radical (NO)
(d) all of these

(d) all of these


Q.6. Following form(s) of oxygen is/are involved in ozone-oxygen cycle

(a) triatomic oxygen (O3)
(b) diatomic oxygen (O2)
(c) atomic oxygen (O)
(d) all of these

(d) all of these


Q.7. Good ozone is found in the

(a) stratosphere
(b) ionosphere
(c) troposphere
(d) mesosphere

(a) stratosphere


Q.8. This is not the consequence of ozone layer depletion

(a) malignant melanoma – skin cancer type
(b) increased ultraviolet radiations
(c) tides
(d) cyanobacteria are sensitive to UV rays and would be affected by its increase

(c) tides


Q.9. Greenhouses gases causing a rise of 3℃ rise in the overall global temperature in the past century are CFCs. The CFC used in refrigerators is

(a) Ammonia
(b) Freon
(c) Methane
(d) carbon dioxide

(b) Freon


Q.10. Ozone-depleting substance chiefly utilized in

(I) chimneys
(II) all of the human activities
(III) burning fossil fuels
(IV) cooling and refrigeration applications and in the manufacturer of foam products

(a) All
(b) Only IV
(c) Only I, II and III
(d) Only I and II

(b) Only IV

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