National park is an in situ method for biodiversity conservation. In situ conservation is on the site conservation method ex-situ conservation means conservation away from natural habitat.

In order to control environmental pollution, the Government of India has passed the Environment Protection Act in the year 1986

CPCB stands for Central Pollution Control Board.

World Environmental Day is celeberated on June 5.

Overpopulation is the root of all other environmental issues.

Electrostatic precipitator is used to reduce pollutants of particulate nature.

The gas which causes acid rain is sulphur dioxide.

Assam Lata is eupatorium.

The only gas in the atmosphere which can absorb harmful ultraviolet rays of the sun is ozone.

Primary pollutants are pollutants which are directly injected into the atmosphere. Sulphuric acid is not a primary pollutant. It is a secondary pollutant.

September 16 is World Ozone Day. 

Increased toxicity of secondary pollutants formed by the interaction among primary pollutants is called synergism.

Snow blindness or the inflammation of cornea of the eye is caused by a high dose of UV-B radiation.

Hydrogen gas is not responsible for heating earth's surface and atmosphere.

Catalytic converter is an expensive method that converts unburnt hydrocarbons into CO₂ and water, and CO and nitric oxides into CO₂ and N₂ gas.

The Government of India has instituted Amrita Devi Bishnoi Wildlife Protection Award. This award is given to individuals who show extraordinary courage and dedication to protect trees.

Ficus bengalensis is not an invasive species. It is a native species.

Chipko Movement started in Garhwal Himalayas in 1974, it aims at saving tree and forests.

Nanda Devi Biosphere Reserve is situated in Uttar Pradesh.

The main objective of Montreal Protocol was signed act Montreal in 1987, is to control emission of ozone depleting substances.

The pollutant most dangerous for the ozone layer is chloroflurocarbons.

A pollution-related disease due to the accumulation of cadmium, characterised by pain in joints and bones, is itai-itai disease.

One horned rhinoceros is protected in Kaziranga National Park.

In India, Project Tiger was launched in the year 1973.

Computer disc does not contain mercury.