Leaves

(1) Arranged in acropetal manner

(2) Most important reproductive organ in plants

(3) Important for photosynthesis

(4) A typical leaf has three main parts- leaf base, Petiole and lamina

Find the incorrect statement.

Subtopic:  Morphology of Leaf |
 85%
From NCERT
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Leaf

(1) Attached to the stem by the leaf base

(2) Always bear two lateral small leaf like structures called stipules

(3) Monocots have small sheath like leaf base which covers the stem wholly

(4) All leguminous plants have swollen leaf base

Subtopic:  Morphology of Leaf |
 62%
From NCERT
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Which of the following parts of leaf has major role to hold the blade to light?

(1) Lamina

(2) Petiole

(3) Sheath

(4) Stipule

Subtopic:  Morphology of Leaf |
 81%
From NCERT
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The fluttering of the leaf blade is facilitated by

(1) Swollen pulvinus

(2) Membranous sheath

(3) Long and thin Petiole

(4) Broad lamina

Subtopic:  Morphology of Leaf |
 82%
From NCERT
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Veins and veinlets are not present in

(1) Lamina

(2) Leaf blade

(3) Leaf broader surface

(4) Leaf base

Subtopic:  Morphology of Leaf |
 79%
From NCERT
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Midrib is usually not used in

(1) Middle

(2) Prominent vein

(3) A mean to provide rigidity

(4) transport only water, minerals, gases like carbon dioxide and food materials

Subtopic:  Morphology of Leaf |
 60%
From NCERT
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Which of the following is relatively constant in all dicot leaves?

(1) Shape

(2) Margin, apex and surface

(3) Extent of incision

(4) Venation

Subtopic:  Morphology of Leaf |
 78%
From NCERT
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The arrangement of veins and the veinlets in the lamina of leaf is termed as

(1) Venation

(2) Vernation

(3) Vernalization

(4) Phyllotaxy

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 93%
From NCERT
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Which of the following is correct?

1. The leaves of all dicot plants show reticulate venation

2. The leaves of all monocot plants show parallel venation

3. The network of veinlets is termed as reticulate venation

4. All of these

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
From NCERT
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Simple leaf

(1) Do not have any incisions

(2) Always intact lamina

(3) Incisions of the lamina reach to midrib

(4) Entire lamina or when incisions do not reach to midrib

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 78%
From NCERT
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