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Question (21)

QN008874

Ground-level ozone formed in cities is:

(A) Beneficial for lungs
(B) Harmful pollutant
(C) Same as stratospheric ozone
(D) Used for photosynthesis

Correct Answer: B

Explanation:

Tropospheric ozone is harmful

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Question (22)

QN008875

UV radiation increases at Earth’s surface when:

(A) Oxygen increases
(B) Ozone layer is depleted
(C) CO₂ increases
(D) Nitrogen decreases

Correct Answer: B

Explanation:

Ozone depletion increases UV

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Question (23)

QN008876

Greenhouse gases warm Earth because they:

(A) Reflect all sunlight
(B) Trap outgoing infrared radiation
(C) Block oxygen flow
(D) Increase wind speed

Correct Answer: B

Explanation:

Infrared trapping causes warming

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Question (24)

QN008877

Excessive use of fossil fuels mainly disturbs:

(A) Oxygen cycle only
(B) Carbon cycle balance
(C) Rock cycle
(D) Water freezing point

Correct Answer: B

Explanation:

Carbon cycle imbalance

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Question (25)

QN008878

Switching to renewable energy reduces:

(A) Oxygen production
(B) Carbon emissions
(C) Solar radiation
(D) Nitrogen fixation

Correct Answer: B

Explanation:

Renewable energy lowers emissions

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Question (26)

QN008879

Mission LiFE promotes:

(A) Higher fossil fuel use
(B) Sustainable and eco-friendly lifestyle choices
(C) Increased plastic use
(D) Higher CO₂ emissions

Correct Answer: B

Explanation:

Sustainable lifestyle practices

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Question (27)

QN008880

Anna Mani’s contribution is mainly related to:

(A) Nitrogen cycle study
(B) Mapping solar radiation in India
(C) Ocean currents study
(D) Fossil fuel discovery

Correct Answer: B

Explanation:

Solar radiation measurement work

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Question (28)

QN008881

Rising global temperature reduces ocean CO₂ absorption because:

(A) CO₂ becomes solid
(B) Warm water holds less dissolved gas
(C) Oxygen increases
(D) Salinity disappears

Correct Answer: B

Explanation:

Gas solubility decreases in warm water

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Question (29)

QN008882

Melting of glaciers due to global warming leads to:

(A) Lower sea levels
(B) Rising sea levels and coastal flooding
(C) Reduced rainfall everywhere
(D) Increased ozone formation

Correct Answer: B

Explanation:

Sea level rises due to melting ice

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Question (30)

QN008883

Warmer atmosphere leads to:

(A) Less water vapour capacity
(B) More moisture and intense rainfall events
(C) No change in weather
(D) Reduced cloud formation

Correct Answer: B

Explanation:

Warm air holds more moisture

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Question (21)

Ground-level ozone formed in cities is:

Explanation:

Link:

Question (22)

UV radiation increases at Earth’s surface when:

Explanation:

Link:

Question (23)

Greenhouse gases warm Earth because they:

Explanation:

Link:

Question (24)

Excessive use of fossil fuels mainly disturbs:

Explanation:

Link:

Question (25)

Switching to renewable energy reduces:

Explanation:

Link:

Question (26)

Mission LiFE promotes:

Explanation:

Link:

Question (27)

Anna Mani’s contribution is mainly related to:

Explanation:

Link:

Question (28)

Rising global temperature reduces ocean CO₂ absorption because:

Explanation:

Link:

Question (29)

Melting of glaciers due to global warming leads to:

Explanation:

Link:

Question (30)

Warmer atmosphere leads to:

Explanation:

Link:

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