Questions

Arati Saha was the first Indian woman to cross English Channel (between England and France) in the year 1959. She was born in 1940 in Kolkata.

Fossil fuels energy source generates the least greenhouse gases. Of them, i.e, oil, natural gas and coal, natural gas source generates the least greenhouse gases.

The world's largest weapons importer is Saudi Arabia.

The old religion of Japan is known as Shiltoism. This religion consists mainly of the worship of the forces of nature.

‘has’ should be replaced with ‘have’.

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

photorespiration lowers the efficiency of photosynthesis by removing ribulose bisphosphate molecules.