Question

1. Exhaled air contains ———– and ———–. 

2. A flap like muscular valve controls movement of air and food is ———–. 

3. Energy currency of the cell is called ———–. 

4. Lenticels are the respiratory organs that exist in ———– part of the plant. 

5. Mangrove trees respire with their ———–.

Answer 1

1. carbon dioxide, water vapour 

2. Epiglottis 

3. ATP (Adenosine Tri Phosphate) 

4. stem 

5. aerial roots