Respiration in plants occurs

1. Only in stomata
2. Only in leaves
3. Only in lenticels
4. In all the parts

Which of the following is produced during anaerobic respiration in plants?

1. Soda lime
2. Ethyl alcohol
3. Lime water
4. None of these

Lime water turns milky upon absorption of carbon dioxide gas due to the formation of:

1. Calcium carbonate
2. Sodium carbonate
3. Calcium chloride
4. Sodium chloride

Which of the following is the main substrate for any kind of respiration ?

1. Starch
2. Oxygen
3. Glucose
4. Sucrose