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Plant Organ - a Leaf

What is the f...

Question

What is the flat green portion of a leaf called?

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Solution

The leaf has a flat (broad) structure called lamina or leaf blade which is attached to the stem of the plant by a structure called a petiole.
It consists of a small branched vein and veinlets.
In the middle, It has a thick midrib.

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Q. Arun carried out the following experiment with a croton (variegated) leaf. He drew the leaf in his notebook marking the green and the non-green area. He put the leaf in hot alcohol till all the green colour came out and the leaf turned white. He then washed the leaf in water and covered the leaf in iodine solution.
(a) Why did he draw the leaf and mark the green and non-green areas?
(b) What was the colour change in iodine solution?
(c) Which portions of the leaf show colour change?
(d) what can you conclude from this experiment?

Fill in the blanks.

(a) The edge of the leaf is called the ……………. .

(b) The ……………. is made of stamens.

(c) The flat part of a leaf is called the ……………. .

(d) The corolla is the ……………. .

(e) The innermost whorl of the flower is ……………. .

The flat portion of leaf is called

what is flat green part of leaf

Q. Name the following:
(iii) The wide flat portion of the leaf:

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Plant Organ - a Leaf

Standard VII Biology

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