Different Parts of a Leaf

Q. Difference between tap roots and fibrous roots.

Q.

What is the function of veins in a leaf?

Q.

Question 5

Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), China rose

Q.

Question 15

Observe the figure and attempt the questions that follow it.
(a) Label the parts (i), (ii), (iii) and (iv) in the figure.
(b) What types of venation does the leaf has?
(c) What type of venation is seen in grass leaves?

Q.

Haustorial root is present in

1. Zea mays

2. Cactus

3. Cuscuta

4. Monotropa

Q.

Leaf margin and Leaf midrib

Q.

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

Q. What are the four functions of roots?​

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. Which of the following is the main function of a stem?

1. Absorption of water from soil
2. Photosynthesis
3. Transpiration
4. Upward movement of water

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

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

Q.

Question 18

Solve the crossword given in figure as per the clues given below it.
Across
1. The term that describes upward movement of water in a stem.
3. The part of leaf, which is attached to the stem.
5. This part is attached to the tip of filament.
Down
1. Plants that are weak and spread on the ground.
2. Ovules are present in this part of flower.
4. It is the broad part of leaf.

Q.

The broad, green part of the leaf is called lamina.

1. True
2. False

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. venation

2. blade

3. midrib

4. pedicel

Q. An experiment was conducted where thin sections of stem were cut and placed in red coloured ink solution. After few hours, the stem sections dipped in coloured solution were cut into two halves vertically from top to bottom. It was observed that there were some coloured ring and tube like structure in the stem sections. Which process is demonstrated through this experiment?

1. Transpiration
2. Venation
3. Pollination
4. Translocation

Q.

What type of venation is shown in the given leaf?

Q.

A thick vein in the middle of the leaf is _____.

1. Petiole

2. Midrib

3. Lamina

Q.

Which of the following attaches the leaf to the stem?

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

Q. Do aquatic submerged plants have stomata?

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-b, ii-a, iii-d, iv-c

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

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

Q. Can we call stalk as petiole

Q. Observe the figure and attempt the questions that follow it. [3 marks]
(a) Label the parts (i), (ii), (iii) and (iv) in the figure.
(b) What types of venation does the leaf has?
(c) What type of venation is seen in grass leaves?

Q.

The point on the stem from where the leaf arises is called a ________.

Q.

Identify error in the given statement:

In some plants, a leaf is directly attached to the petiole without a leaf stalk.

Q. Arrange the correct order in which water is transported to the leaves.

1. Petiole
2. Branch
3. Stem
4. Root

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

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

Q. What is the function of a stem in a plant?

Q. Make a list of the functions of stem.