What is used to measure electric current?

What is the unit of force?

How many chambers in a human heart?

Water is made up of which elements?

What is the opposite of ‘day’?

What is the basic unit of life?

What is the opposite of ‘hot’?

Which organ helps in breathing?

The force of attraction between Earth and objects is called:

Which one is a noble gas?

Sound cannot travel through:

Which element is necessary for combustion?

Which word is a noun?

What type of energy does the sun give us?

The sun ___ in the east.

Animals that eat only plants are called?

The plural of ‘child’ is:

Which organ pumps blood in the body?

Salt is made of:

What do plants use to make food?

Which acid is present in lemon?

What is the chemical symbol of water?

What is needed to move an object?

Which gas do humans exhale?

He ___ to school every day.

Which gas is used by plants during photosynthesis?

I ___ English every day.

Which substance turns blue litmus red?

Which mirror is used in cars as rear-view mirrors?

What is the pH value of water?

He is ___ honest man.

What is the speed of light?

She ___ a beautiful dress.

Which instrument is used to measure temperature?

Which part of the plant does photosynthesis?

Which organ removes waste from blood?

What is the S.I. unit of energy?

Choose the correct article: ___ apple.

Which vitamin comes from sunlight?

Atoms of the same element with different mass numbers are called: