Respiration in Plants

Q.

The products of respiration are

1. nitrogen and carbon dioxide.

2. water vapour and carbon dioxide.

3. water vapour and nitrogen.

4. only carbon dioxide.

Q. My energy is used by plants to make their food. I am a source of renewable energy. Who am I?

1. Coal
2. Wind
3. Electricity
4. Sun

Q. Plants give out _______ for us to breathe.

1. oxygen
2. carbon dioxide
3. nitrogen
4. hydrogen