Which one of the following is not a lateral meristem
1. Interfascicular cambium
2. Phellogen
3. Intercalary meristem
4. Intrafascicular cambium

Subtopic:  Meristematic Tissue:Classification (OLD NCERT) |
 61%
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In land plants, the guard cells differ from other epidermal cells in having
1. Cytoskeleton
2. Mitochondria
3. Endoplasmic reticulum
4.Chloroplasts

Subtopic:  Epidermal Tissue System |
 76%

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The cork cambium, cork and secondary cortex are collectively called
1. Phelloderm
2. Phellogen
3. Periderm
4. Phellem

Subtopic:  Activity of Cork Cambium |
 78%
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Some vascular bundles are described as open because these
1. are surrounded by pericycle but no endodermis
2. are capable of producing secondary xylem and phloem
3. possess conjunctive tissue between xylem and phloem
4. are not surrounded by pericycle

Subtopic:  Vascular Tissue System |
 77%
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Companion cells are closely associated with
1. Sieve elements
2. Vessel elements
3. Trichomes
4. Guard cells

Subtopic:  Complex Tissue: Phloem |
 90%
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Closed vascular bundles lack
1. Ground tissue
2. Conjunctive tissue
3. Cambium
4. Pith

Subtopic:  Vascular Tissue System |
 85%

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Water containing cavities in vascular bundles are found in

1. Sunflower 2. Maize
3. Cycas 4. Pinus
Subtopic:  Vascular Tissue System |
 65%

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Gymnosperms are also called soft wood spermatophytes because they lack
1. Cambium
2. Phloem fibres
3. Thick-walled tracheids
4. Xylem fibres

Subtopic:  Complex Tissue: Xylem |

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The common bottle cork is a product of
1. Dermatogen
2. Phellogen
3. Xylem
4. Vascular Cambium

Subtopic:  Activity of Cork Cambium |
 71%

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As compared to a dicot root, a monocot root has
1. More abundant secondary xylem
2. Many xylem bundles
3. Inconspicuous annual rings
4. Relatively thicker periderm

Subtopic:  Anatomy of Root |
 78%
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