Fibre to Fabric — Science STD 7 — Question

Humans cannot digest cellulose like cattle do because:

It may be possible that we are living in an area where there is sufficient rainfall and yet there is shortage of water, because of:

Dark coloured clothes are preferred during:

To which disease is smoking linked?

The tissue responsible for the transportation of food in plants.

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either:

Lactic acid is found in:

Animal nutrition includes.

Which of the following is true for ash, which is obtained by burning wood in the presence of oxygen?