Question

True/False
1. Oxygen breaks down glucose outside the cells of organisms. [NCERT Exemplar]
2. Frogs can breathe through their skin as well as lungs.
3. Insects have spiracles on the lower surface of the body.
4. Exhaled air has more percentage of CO2 than inhaled air. [NCERT Exemplar]
5. Living organism respire to get energy from food.
6. Plants respire through leaves and roots.
7. Cell is the smallest structural and functional unit of the body.
8. We take deep breathes after we hold on breath for the one minute.
9. The exchange of gases in plants takes place through stomata.
10. The balance between CO2 and O2 is maintained by the plants.

Answer 1

ANSWER.

1. False
2. True
3. True
4. True
5. True
6. False
7. True
8. True
9. True
10. True

Answer 2

Explanation:

1. False
2. True
3. False
4. True
5. True
6. True
7. True
8. True
9. True
10. True