Science
Which one of the following approaches comes under the category of biotechnology?
1 point
Though a few (gas based)industries have already been established good reserves of natural gas in India remain unutilised .This vast resource of natural gas can be used in the production of
1 point
Man cannot digest cellulose whereas cows can do so because
1 point
German silver is an alloy of
1 point
The bats are able to fly in dark since their wings produce
1 point
Three important micro nutrients essential for humans are
1 point
Which one of the following chemicals is responsible for the depletion of ozone layer in the atmosphere?
1 point
Which one of the following plants can fix nitrogen from air?
1 point
The gas used for artificial ripening of green fruits is
1 point
Superconductors are so called because they
1 point
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