19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Match the Column I with Column II and choose the correct option from the codes given below : Column I Column II A. SO2 B. NO2 C. CO 1. Binds with haemoglobin 2. Leads to stiffness of flower Buds 3. Irritant red haze i…
Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because.
Which of the following statement(s) is/are true? I. Carbon monoxide is a secondary air pollutant II. SO2 causes brown air effect during traffic congestion in cities. III. DDT is a non-biodegradable pollutant.
Which of the following statement(s) is/are incorrect regarding photochemical smog ?
Photochemical smog is caused by light mediated reaction between:
Which of the following statement is incorrect about particulate pollutant?
Photochemical smog does not contain:
Bad ozone is found in the :
There are concentric layers of air regions around earth and each layer has….A. Here, A refers to
The consequence of global warming may be… I. Increase in average temperature of the earth II. Melting of Himalayan Glaciers III. Increased biochemical oxygen demand. IV. Eutrophication
The troposphere extends up to the height of A Km from the sea level. Here A refers to.
Stratosphere lies above sea level between :
Which of the following atmosphere layer contains clouds, water vapour and air?
Ozone layer is present in: I. Mesosphere II. Hydrosphere III. Mesosphere IV. Stratosphere
Ozone layer absorbs mainly …A… Here, A refer to.
Which of the following are major gaseous pollutants present in the troposphere? I. H2S II. Oxides of sulphur, nitrogen and carbon III. O3
SO2 gas is poisonous to:
Which of the following diseases is caused due to SO2?. I. Digestive diseases II. Asthma III. Bronchitis IV. Emphysema
Which of the following pollutant(s)catalyse(s) the oxidation of sulphur dioxide to sulphur trioxide?
In an automobile engine, (at high temperature) when fossil fuel is burnt, N2 and O2 combine to yield :
The irritant red haze in the traffic and congested place is due to…A..
Ozone layer absorbs mainly …A… Here, A refer to.
Ozone layer is present in: I. Mesosphere II. Hydrosphere III. Mesosphere IV. Stratosphere
Which of the following atmosphere layer contains clouds, water vapour and air?
The Taj Mahal in India is affected by pollutant: