Cells having cellulose, hemicellulose and pectin deposits on the wall and shows its presence commonly in the petiole of leaf and growing green stems belong to
1. Sclerenchyma
2. Collenchyma
3. Aerenchyma
4. Parencyma

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 91%
From NCERT
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As compared to the monocot root, the dicot root has/shows

1. Large and well-developed pith
2. Primary growth only
3. Sclerenchymatous pericycle
4. Fewer xylem bundles
Subtopic:  Anatomy of Root |
 82%
From NCERT
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Which of the given figure represents the internal structural details of a monocot root?

1. 

2. 

3. 

4. 

 

Subtopic:  Anatomy of Root |
 80%
From NCERT
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The most abundant and common tissue in plants

1. Has non-vacuolated cytoplasm
2. Is living and has cellulosic wall
3. Stores ergastic substances always
4. Cannot take part in photosynthesis
Subtopic:  Simple Tissue: Parenchyma |
 90%
From NCERT
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Monocot stems do not have

1. Protophloem
2. Phloem parenchyma
3. Companion cell in phloem
4. Sieve tube and metaphloem
Subtopic:  Monocot Stem |
 82%
From NCERT
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Choose the correct option with respect to sclereids

1. Physiologically active
2. Pits are present
3. Derived from meristems directly
4. Little amount of protoplasm is present
Subtopic:  Complex Tissue: Xylem |
 78%
From NCERT
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The isobilateral leaf is characterized by all the given characteristics, except

1. Vascular bundles are always closed
2. Xylem is towards the adaxial surface of leaf
3. Mesophyll cells are not differentiated
4. Parenchymatous extensions of the bundle sheath
Subtopic:  Monocot Leaf |
From NCERT
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Collenchyma is characterised by

1. Absence of protoplast at maturity
2. Supporting young stem and leaf petiole
3. Lignocellulosic thickening on secondary walls
4. The common presence of intracellular spaces
Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 89%
From NCERT
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Epidermal hairs on stems known as trichomes

1. May sometimes be secretory in function
2. Have vascular supply
3. May be soft or stiff but unbranched always
4. Are endogenous in origin like lateral roots
Subtopic:  Epidermal Tissue System |
 73%
From NCERT
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Select the incorrect statement with respect to bast fibres

a. Generally absent in primary phloem
b. Elongated, branched with blunt ends
c. Parenchymatous in nature
d. Becomes dead at maturity


1. a & d
2. b & d
3. b & c
4. a & b

Subtopic:  Complex Tissue: Phloem |
 70%
From NCERT
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