How many colours can be observed in a rainbow?

Which of the following protects the brain from damage?

The flashes of natural electricity seen in the sky is called:

______________ is the first planet from the sun

The following are constituents of air except:

Digestion of food takes place in the _______

The smallest unit of life is called ________

Objects that allow electricity to pass through them are known as _______

Which of the following soils has a low water retaining capacity?

An animal which lives on both land and water is called a/an _________

Which of the following gases is used for cooking by gas cookers?

Which of these machines would you use to fetch water from a deep well?

____________ is an instrument used for measuring rainfall.

The class of food that gives us energy is _____

The most important material for making cement is ______

Where in the plant is food usually produced?

Which of the following cannot be picked with a magnet?

The Scapula is a bone found in the _____