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%
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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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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, Types of Leaves & Phyllotaxy |
 63%
From NCERT
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Rachis is

(1) A prominent vein

(2) Midrib

(3) Found in pinnately compound leaf

(4) All of these

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 72%
From NCERT
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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, Types of Leaves & Phyllotaxy |
 77%
From NCERT
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In palmately compound leaves

(1) Leaves are attached at a common point at the tip of petiole

(2) Leaflets are attached at a common point at the tip of petiole

(3) Leaflets are attached at a common point called rachis

(4) Leaves are attached over a common axis called rachis

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 69%
From NCERT
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Palmately compound leaves are found in

(1) Citrus

(2) Pomegranate

(3) Guava

(4) Silk cotton

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 92%
From NCERT
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Phyllotaxy is

(1) Pattern of arrangement of leaves on the stem or branch

(2) Pattern of arrangement of petals on the stem or branch

(3) Pattern of arrangement of sepals on the flower

(4) Pattern of arrangement of perianth on the flower

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 93%
From NCERT
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Alternate phyllotaxy means

(1) A single leaflet arises at each node

(2) A single leaf arises at each node

(3) Two leaflets arise at each node

(4) Two leaves arise at each node

Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 66%
From NCERT
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