Question : Which of the following greenhouse gases is most abundant in the atmosphere?

Option 1: Nitrous oxide

Option 2: Water vapour

Option 3: Methane

Option 4: Carbon oxide

Question : An important greenhouse gas other than methane being produced from the agricultural fields is 

Option 1: Nitrous oxide

Option 2: Ammonia

Option 3: Sulphur dioxide 

Option 4: Arsine 

Question : The chemical name of 'laughing gas' is

Option 1: Nitric Oxide

Option 2: Nitrogen Dioxide

Option 3: Nitrogen Pentaoxide

Option 4: Nitrous Oxide

Question : Which of the following organisms is most likely to produce greenhouse gases such as nitrous oxide and methane?

Option 1: Fungi

Option 2: Earthworm

Option 3: Bacteria

Option 4: Greenplants

Question : Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by:

Option 1: Carbon dioxide

Option 2: Ammonia

Option 3: Chlorine

Option 4: Ozone