Question 6
When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?

(a) Stomata
(b) Lamina
(c) Midrib
(d) Veins

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Solution

Stomata are tiny openings or pores that are used for gaseous exchange. They are mostly found on the under-surface of plant leaves. Air enters the plant through these openings. The carbon dioxide is used in photosynthesis.

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Similar questions

Q. Study the diagram of a simple leaf given below. Which of the following shows the correct labelling of the different parts?
Figure
(a) A-edge; B-veins; C-midrib; D-petiole
(b) A-midrib; B-edge; C-leaf bud; D-veins
(c) A-stalk; B-leaf bud; C-veins; D-midrib
(d) A-veins; B-midrib; C-leaf bud; D-edge

Q. Match the parts of the leaf depicted in the image with the descriptions given.

a. Midrib

b. Lamina

c. Petiole

d. Veins

Q. When stomata are opening; we observe which of the following changes in the guard cells?

Question 4

Which of the following is not a correct match?
(a) Petiole: attaches leaf to stem
(b) Lamina: green flat part of leaf
(c) Margin: gives shape to the leaf
(d) Veins: transpiration

Question 3

The lower surface of leaf will have more number of stomata in a

(a) dorsiventral leaf (b) isobilateral leaf

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Question 6 When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings? (a) Stomata (b) Lamina (c) Midrib (d) Veins

Stomata are tiny openings or pores that are used for gaseous exchange. They are mostly found on the under-surface of plant leaves. Air enters the plant through these openings. The carbon dioxide is used in photosynthesis.

Question 6
When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?

(a) Stomata
(b) Lamina
(c) Midrib
(d) Veins