Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

Photochemical smog is formed from automobile exhaust

A

By reaction of hydrocarbon & nitric oxide in presence of sunlight

B

Appears only on sunny days

C

Is harmful for crops and trees also besides causing eye irritation & asthma

D

All of the above

Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes

A

Poor visibility due to sky darkening

B

Irritation in eyes

C

Respiratory trouble

D

All of the above

In a photochemical smog, which gas is an eye and mucous membrane irritant?

A

SO₂

B

O₃

C

CO₂

D

N₂O

Which of the following pollutants is the major contributor to photochemical smog?

A

Peroxynitrates

B

Hydroperoxides

C

Nitrogen dioxide

D

Ozone

Which of the following group of gases cause photochemical smog?

A

Ozone, PAN and CO

B

HC, NO and PAN

C

O₂, PAN, and NO₂

D

O₃, PAN and NO₂

নিম্নলিখিত কোন গ্যাস photochemical ধোয়াসার (smog) জন্য দায়ী নয়?

A

Hydrocarbon

B

O3

C

NO2

D

CFC

Presence of high concentration of ozone and smog in atmospheric air causes the

A

Embrittlement & decrease of folding resistance of paper

B

Cracking of rubber products

C

Fading of dye on textiles

D

Damage of electrical insulator on high tension power line

The exhaust gas from petrol engine contains

A

Petrol vapours

B

Water vapours

C

Carbon monoxide

D

All of these

Kyoto Protocol's (an international treaty to reduce greenhouse gas emissions) first meeting was held at which country?

A

USA

B

Germany

C

Japan

D

Switzerland

Which treaty aims to reduce greenhouse gas emissions globally and was adopted in 2015?

A

Kyoto Protocol

B

Paris Agreement

C

Montreal Protocol

D

Geneva Convention

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

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