Stomata

Q. Which of the following is given out by plants during the process of photosynthesis?

1. Chlorophyll
2. Oxygen
3. Nitrogen
4. Carbon dioxide

Q.

There is no respiratory system in plants.How do they respire?

Q.

Identify error in the given statement:

Many minute pores called stomata are present on the upper surface of the leaves.

Q. Which of the following performs photosynthesis and manufactures food in cactus plant?

1. Roots
2. Stems
3. Leaves
4. All of the above

Q. Leaves have pores known as that allow the exchange of carbon dioxide and oxygen.

1. stomata
2. chlorophyll
3. veins
4. blades