Phloem fibres are made up of

1. Parenchymatous cells

2. Sclerenchymatous cells

3. Collenchymatous cells

4. None of the above

Subtopic:  Complex Tissue: Phloem |
 82%
From NCERT
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Which component of Jute, Flax and Hemp are commonly used?

(1) Phloem fibres

(2) Xylem fibres

(3) Sieve tubes

(4) All of the above

Subtopic:  Complex Tissue: Phloem |
 87%
From NCERT
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Epidermis in plant is generally

1. Single layered

2. Double layered

3. Triple layered

4. Present in patches

Subtopic:  Epidermal Tissue System |
 91%
From NCERT
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Epidermal cells are parenchymatous with __________ amount of cytoplasm lining, the cell wall and _______ vacuole.

(1) Small, large

(2) Large, small

(3) Small, no

(4) Large, no

Subtopic:  Epidermal Tissue System |
 73%
From NCERT
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A waxy thick layer which prevent water loss is

1. Cuticle

2. Guard cell

3. Epidermis

4. Stomata

Subtopic:  Epidermal Tissue System |
 94%
From NCERT
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Cuticle is not found in

1. Stem

2. Branches

3. Leaves

4. Roots

Subtopic:  Epidermal Tissue System |
 88%
From NCERT
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Opening and closing of stomata is a function of

(1) Cuticle

(2) Guard cell

(3) Waxy layer

(4) Xylem

Subtopic:  Epidermal Tissue System |
 97%
From NCERT
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Transpirational rate is controlled by

(1) Xylem

(2) Phloem

(3) Guard cell

(4) Leaves

Subtopic:  Epidermal Tissue System |
 91%
From NCERT
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The stomatal aperture, guard cell and the surrounding subsidiary cells are together called________.

(1) Stomata

(2) Stomatal apparatus

(3) Stomatal aperture

(4) Cuticle

Subtopic:  Epidermal Tissue System |
 90%
From NCERT
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In plant stem the epidermal hairs are called

(1) Cilia

(2) Trichomes

(3) Trichoderms

(4) Trichromes

Subtopic:  Epidermal Tissue System |
 93%
From NCERT
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