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Factors Affecting Transpiration

Match the fol...

Question

Match the following.

Part of the Leaf Function

1. Lamina (i) Attaches leaf to the stem

2. Petiole (ii) Helps in transport across the leaf

3. Vein (iii) The broad surface of the leaf

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Q. To prepare a good temporary mount of the petunia leaf peel showing many stomata, the student has to get the peel from the :
(1) tip of the leaf
(2) upper surface of the leaf
(3) lower surface of the leaf
(4) point of attachement of leaf to its petiole

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 following.

A. Petiole	i. Defines the shape of a leaf
B. Lamina	ii. Attaches the leaf to stem
C. Margins	iii. A broad expanded blade

Q. Read the following statements:
(i) Long thin flexible petioles allow leaf blades to flutter in wind, thereby cooling the leaf and bringing fresh air to leaf surface
(ii) Leaf lamina lacks vascular bundles
(iii) Veins provide rigidity to leaf blades
(iv) Leaf possess reticulate or parallel venation
(v) The axil of leaflets may posses axillary buds
How many of the given statements are correct?

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

a. Midrib

b. Lamina

c. Petiole

d. Veins

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Factors Affecting Transpiration

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