Stomata and Its Function

Q. Carbon dioxide enters the plant through ________.

1. stem
2. stamen
3. petal
4. stomata

Q.

Name a process which removes carbon dioxide from the air.

Q. Which of the following processes will not occur if the stomata are absent in a plant?

1. Release of water
2. Photosynthesis
3. Absorption of water
4. Transportation of food

Q.

Do Lenticels help in photosynthesis?

Q. Which among the following options are true regarding the functions of stomata?

1. Exchange of gases
2. Absorption of minerals
3. Release of water
4. Uptake of water

Q. Which of the following is a function of stomata?

1. Photosynthesis
2. Storage of water
3. Release of water
4. Storage of food

Q. During photosynthesis, plants take in carbon dioxide and give out oxygen, through small openings called ________.

1. stomata
2. chlorophyll
3. roots
4. trunk

Q. Which of the following options is correct based on the statements given below?

Statement 1: Gaseous exchanges in plants usually occur on the top side of leaves.

Statement 2: Tiny pores called stomata, facilitate gas exchange.

Statement 3: Carbon dioxide is the by-product of photosynthesis.

1. Only statement 2 is correct.
2. All statements are correct.
3. Only statements 1 and 3 are correct.
4. Only statements 1 is correct.

Q. Carbon dioxide enters the plant through ______ present on the leaves.

1. root hair
2. stomata
3. anther
4. seeds

Q. Carbon dioxide enters the plant through the ______ .

1. root
2. stomata
3. stem
4. branch

Q. Leaves have pores called which allow the exchange of carbon dioxide and oxygen.

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

Q. A few students, while walking in a garden next to a busy main road, observed a layer of dust on the surface of the leaves in the garden.
How do you think can the dust layer present on the surface of leaf affect the process of photosynthesis?

1. It interferes with the gaseous exchange process.
2. It interferes with the absorption of light by leaves.
3. It reduces the chlorophyll content in the leaf.
4. It decreases the temperature of the leaf.

Q.

Exchange of gases in the leaves takes place with the help of __________.