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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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, Typers of Leaf & Phyllotaxy |
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Palmately compound leaves are found in

(1) Citrus

(2) Pomegranate

(3) Guava

(4) Silk cotton

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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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, Typers of Leaf & Phyllotaxy |
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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, Typers of Leaf & Phyllotaxy |
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Which of the following is not an example of alternate phyllotaxy?

(1) China rose

(2) Mustard

(3) Sun Flower

(4) Calotropis

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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Opposite 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, Typers of Leaf & Phyllotaxy |
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More than two leaves arise from a node is called as

(1) Phyllotaxy

(2) Whorled

(3) Venation

(4) Opposite

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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Which of the following is an example of whorled phyllotaxy?

(1) Alstonia

(2) Mustard

(3) Sunflower

(4) China rose

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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