In dicot root the vascular cambium is completely _________ in origin.

(1) Primary

(2) Secondary

(3) Tertiary

(4) Quaternary

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 92%
From NCERT
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Which one yields fibres?

(1) Coconut

(2) Oak

(3) Teak

(4) Sisso

Subtopic:  Complex Tissue: Phloem |
 77%
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Death of protoplasm is a pre-requisite for vital function like

(1) Transport of sap

(2) Transport of food

(3) Absorption of water

(4) Gaseous exchange

Subtopic:  Complex Tissue: Xylem |
 56%
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Dicotyledonous leaf is also known as

(1)Dorsiventral leaf

(2)Bi-facial leaf

(3)Both A and B

(4)Isobilateral leaf

Subtopic:  Dicot Leaf |
 55%
From NCERT
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The main parts of the lamina of the dorsiventaral leaf are

(1)epidermis

(2)mesophyll tissues

(3)vascular system

(4)All of the above

Subtopic:  Dicot Leaf |
 77%
From NCERT
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The upper and lower surface of the dicots leaf are known as

(1)adaxial and abaxial respectively

(2)abaxial and adaxial respectively

(3)Both A and B

(4)anterior and posterior respectively

Subtopic:  Dicot Leaf |
 90%
From NCERT
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In dicot leaf, stomata is more present on the

(1)adaxial surface

(2)abaxial surface

(3)equally on both surfaces

(4)stomata is absent

Subtopic:  Dicot Leaf |
 88%
From NCERT
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In dicot leaf , cuticle is present on the

(1)adaxial epidermis

(2)abaxial epidermis

(3)lateral epidermis

(4)Both A and B

Subtopic:  Dicot Leaf |
 58%
From NCERT
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The tissues present between the adaxial and abaxial epidermis are

(1)mesophyll

(2)chlorophyll

(3)vascular bundle

(4)Both A and C

Subtopic:  Dicot Leaf |
 55%
From NCERT
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Which of the following is true for palisade parenchyma?

1. adaxially placed

2. elongated cells

3. vertically and parallely placed

4. All of the above

Subtopic:  Dicot Leaf |
 92%
From NCERT
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