Match the following lists. List-I List-II List-III A China Rose i Acropetal succession I Branched peduncle B Colocasia ii Mesocarp is fleshy II Hypogynous C Panicle iii Alternative phyllotaxy III Epigynous D Cucumber iv Neuter flowers IV Corm The correct match is:

A B C D iii, II iv, IV i, I ii, III

A B C D i, IV ii, II iv, I iii, III

A B C D ii, II iii, III i, I iv, IV

A B C D iii, I ii, IV iv, III i, II

The green, flat, and expanded part of the leaf is called the leaf lamina or leaf blade. The tip of the lamina is known as the apex. The basal part of the leaf by which it is attached to the node of the stem is called a petiole. A petiole is also known as a leaf stalk. It supports the leaf in a plant and also attaches the lamina to the stem. Leaves without petioles are called sessile leaves. An axillary bud is always present at the base of the leaf petiole.

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The formation of phyllode in Australian Acacia is a mechanism to

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Important Questions on Morphology of Flowering Plants

EASY

Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

In Alstonia the type of Phyllotaxy is:

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Tendrils are modifications of

EASY

Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Which one of the following is a modified leaf?

MEDIUM

Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Match the following lists.

	List-I		List-II		List-III
A	China Rose	i	Acropetal succession	I	Branched peduncle
B	Colocasia	ii	Mesocarp is fleshy	II	Hypogynous
C	Panicle	iii	Alternative phyllotaxy	III	Epigynous
D	Cucumber	iv	Neuter flowers	IV	Corm

The correct match is:

EASY

Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Which of the following is not a stem modification?

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Consider the following morphological biochemical or physiological characteristics of plants.

$i .$ Presence of hairy leaves $ii$ $.$ Production of more nectar is flower
$iii .$ . High sugar content in plant parts $iv .$ Presence of higher aspartic acid concentration.

Choose the correct combination of statements which give natural resistance to plants against insect pests:

EASY

Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Assertion (A): In Nepenthes leaves are modified to trap insects
Reason (R): Insectivorous plants trap insects for their nitrogen requirement

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Leaves become modified into spines in:

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf

Two chief functions of leaves are:

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Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Leaf