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 |
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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 |
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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 |
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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 |
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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, Typers of Leaf & Phyllotaxy |
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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, Typers of Leaf & Phyllotaxy |
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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, Typers of Leaf & Phyllotaxy |
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Compound leaf

(1) Has leaflets or incised lamina without leaflets

(2) Incisions reach to midrib

(3) Axils of leaflets have bud

(4) All of these

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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Rachis is

(1) A prominent vein

(2) Midrib

(3) Found in pinnately compound leaf

(4) All of these

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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Rachis

(1) Is a common axis where leaves are present

(2) Is a common axis where leaflets are present

(3) Is a common point where leaflets are arranged

(4) Is a common point where leaves are arranged

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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Difficulty Level: