Environmental I...

Mile Island and Chernobyl disasters are environmental disasters associated with the accidental leakage of radioactive waste. In India, Bhopal gas tragedy, an environmental disaster, is associated with the leakage of

Which of the following gets reduced as a result of 'eutrophication'?

Which of the following organisms are the indicators of sulphur dioxide pollution?

Chlorofluorocarbons (CFCs) which are used in refrigerators, air conditioners and aerosol sprays are responsible for

normal adults, the enzyme which catalyses conversion of MHb into Hb is :

Formation of non-functional methaemoglobin causes blue-baby syndrome. This occurs due to

Which of the following chemicals was responsible for 'itai itai' disease in Japan?

Due to greenhouse effect, the average temperature of Earth's atmosphere is gradually increasing. This is called global warming. Which of the following are not greenhouse gases?

In the following question, two statements are given, namely Assertion (A) and Reason (R). Read both these statements and choose the correct option regarding them.

Assertion (A): Nitrogen fixation is achieved industrially by the Haber Bosch process in which H₂ and N₂ are mixed together at high temperature and pressure in the presence of a catalyst to form NH₃.

Reason (R): Fertilisers like ammonium nitrites are prepared by this process.

Term acid rain was coined for the first time by