19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Pollutant can be found in the form of : I. Solid II. Liquid III. Gas The correct option(s) is/are
An average human being requires nearby…A… times more air than the food. Here, A refers to
Which of the following is responsible for damaging Tajmahal and other monuments near Agra ?
What do you mean by Taj-Trapezium?
The viable particulate stand for : I. Minute living organisms present in atmosphere II. Minute non-living particles present in atmosphere
Which of the following is not a viable particulates :
Pollutants which are slowly degradable and remain in the environment in an unchanged for many decades, termed as :
Which of the following are the examples of non-bio- degradable pollutants? I. DDT II. Nuclear waste III. Plastic materials Select the correct options
Non-biodegradable pollutants are created by
Match the Column I with Column II and choose the correct option from the codes given below: Column I Column II A. Biodegradable pollutant(s) B. Non-Biodegradable pollutant(s) 1. Nuclear wastes 2. Plastic 3. Discard…
Non-viable particulates are classified on the basis of :
Mist is produced by : I. Particles of spray liquids II. Condensation of vapour in air
Herbicides and insecticides are travel through air and form …A… Here A refers to:
The effect of particulate pollutants are largely dependent on the …A… Here, A refers to.
Which of the following is the major particulate matter emitted by vehicles.
The word smog stands for :
Classical smog is a mixture of
Classical smog is also called …A…smog. Here A refers to
Photochemical smog has …I… concentration of oxidising agents and is therefore, called as …II… smog. Here, I and II refer to :
Which of the following options represents the PAN?
Which of the following is most essential for life?
Which of the following are involved in the formation of PAN? I. NO2 II. O3 III. Unburnt hydrocarbon IV. CO2
Which of the following is/are common components of photochemical smog?
Which of the following components of photochemical smog act as powerful eye irritiants? I. O3 II. PAN III. Hydrocarbon
Which of the following is/are the primary precursor(s) of the photochemical smog?