Which is not a part of a leaf?

Petiole

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Lamina

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Veins

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Nodes

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Solution

The correct option is D
Nodes

The correct option is D.
Explanation of correct option:
Nodes are the spots on a stem where the buds, leaves, and branching twigs originate.
It is not a part of a leaf.
Explanation of incorrect options:
Option A:
A petiole is a thin stalk that supports the blade of a foliage leaf.
Option B:
Veins are a vital element of plants and operate as a medium to transmit minerals and nutrients in leaves.
Option C:
It is an extended flat structure of a leaf.
Final answer: Nodes are not a part of a leaf.

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Question 4

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

Q. Given below is a sketch of a leaf partially covered with black paper and which is to be used in the experiment to show that light is compulsory for the process of photosynthesis:

(a) At the end of the experiment, which of the leaf part/leaf parts labelled I, II and III will become blue-black when dipped in iodine solution?
(b) Which substance will be missing in the leaf part/leaf parts which will not become blue-black when dipped in iodine solution?

Name :

(a) Parts of the root.

(b) Parts of the stem.

(d) Parts of a leaf.

(e) A small leaf-like part at the base of the leaf.

(f) Parts of a flower.

(g) Outermost whorl of a flower.

Q. Which one of these is not a part of a leaf?

Q. Which of the following is not a part of the leaf?

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