19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Non-biodegradable pollutants are created by
Which of the following interrelation with our surroundings are included in environmental studies?
Environmental chemistry deals with the study of the
A substance which cause pollution is known as
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
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
Biological Oxygen Demand (BOD) is a measure of (AIIMS 2003)
When rain is accompanied by a thunderstorm, the collected rain water will have a pH value (AIEEE 2003)
Greenhouse effect is caused by: (AIPMT 2002, AFMC 2002)
Phosphate pollution is brought about by (AIPMT 1997)
…A… of pollution are those where a source of pollution cannot be identified. Here, A refers to :
Which of the following is most essential for life?
‘Good ozone’ is found in the
Match the Column I with the Column II and choose the correct option from the codes given below. Column I Column II A. Nuclear power plant B. Burning of fossil fuel C. Solar energy 1. Radioactive wastes 2. Release of …
CO emitted automobiles prevents O2-transport to body tissues by:
Match the terms given in Column I with the compounds given in Column II and choose the correct option from the codes given below. Column I Column II A. Acid rain B. Photochemical smog C. Combination with haemoglobin…
Match the Column I with the Column II and choose the correct option from cods given below : Column I Column II A. Normal B. Acid rain 1. H2CO3 2. HNO3 3. HCl 4. H2SO4 Codes : A B
Which of the following belongs to secondary air pollutants?
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
Bad ozone is found in the :
Photochemical smog does not contain:
Which of the following statement is incorrect about particulate pollutant?
Photochemical smog is caused by light mediated reaction between: