Function of sieve tubes are controlled by

1. Nucleus of sieve tube

2. Nucleus of companion cell

3. Nucleus of parenchyma

4. No function as they are dead cells

Subtopic:  Complex Tissue: Phloem |
 94%
From NCERT
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Resin, latex and mucilage are found in

1. Phloem parenchyma

2. Xylem parenchyma

3. Phloem pits

4. None of the above

Subtopic:  Complex Tissue: Phloem |
 80%
From NCERT
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Phloem parenchyma is absent in most of the

1. Dicotyledons

2. Monocotyledons

3. Desert plants

4. None of the above

Subtopic:  Complex Tissue: Phloem |
 91%
From NCERT
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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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Epidermis in plant is generally

1. Single layered

2. Double layered

3. Triple layered

4. Present in patches

Subtopic:  Epidermal Tissue System |
 92%
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 |
 95%
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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All tissue except ____________ constitute the ground tissue.

1. Epidermis

2. Vascular bundles

3. Both (1) and (2)

4. Cuticle

Subtopic:  Ground Tissue System |
 84%
From NCERT
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In leaves the ground tissue consist of thin walled chloroplast containing cells and is called____.

1. Mesophyll

2. Chlorophyll

3. P250

4. Chromophore

Subtopic:  Ground Tissue System |
 91%
From NCERT
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