Available Answers

1. 1.

   How do living organisms obtain energy from food?

2. 2.

   Write an equation showing oxidation of food in the cells.

3. 3.

   How does a frog survive in water as well as on land?

4. 4.

   What are stomata? Draw a diagram to show its structure.

5. 5.

   Why does breathing becomes faster when we do physical exercise?

6. 6.

   How does the diaphragm help in breathing?