Different Parts of a Leaf

Q. A thick vein present in the middle of the leaf is called ________ .

1. lamina
2. petiole
3. midrib
4. sepal

Q.

The exchange of gases as well as water vapour occurs through tiny pores called ___ (i) ___ present at the ___(ii)___ surface of the leaf.

1. (i) stomata (ii) lower

2. (i) veins (ii) lower

3. (i) lenticel, (ii) upper

4. (i) stomata, (ii) upper

Q.

The largest number of stomata are present at the:

1. bottom-surface of leaves
2. top-surface of leaves
3. sides of leaves
4. tips of leaves

Q. The lines that are seen on the leaves are known as _____.

1. petiole
2. veins
3. axil
4. chlorophyll

Q. The broad part of a leaf is called ______.

1. lamina
2. petiole
3. vein
4. midrib

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

a. Midrib

b. Lamina

c. Petiole

d. Veins

1. i-c, ii-b, iii-d, iv-a

2. i-d, ii-c, iii-b, iv-a

3. i-a, ii-b, iii-c, iv-d

4. i-b, ii-a, iii-d, iv-c

Q. On the auspicious occasion of Diwali, Raj was served food on a banana leaf. Raj was curious to identify the parts of the leaf. Can you help him out?

The broad green part of the leaf is called ____ (i) ____ and the stalk of the leaf is called ___(ii)____.

1. (i) Petiole, (ii) Midrib

2. (i) Midrib, (ii) Lamina

3. (i) Stomata, (ii) Petiole

4. (i) Lamina, (ii) Petiole

Q.

Sam while walking through a paddy field uprooted a paddy and observed that their roots are different from the roots of the plant 'X' growing in his garden. Which among the following statements are true?

1. X has fibrous root system.
2. X has parallel venation.
3. X could be hibiscus.
4. X could be groundnut plant with parallel venation.

Q.

Which of the following attaches the leaf to the stem?

1. Lamina
2. Midrib
3. Veins
4. Petiole

Q.

The thick main vein in the center, separating the leaf into two parts, depicted in the image below is known as the ____________.

1. midrib

2. venation

3. blade

4. pedicel