___________ arrangement of vascular bundle is a characteristic of dicot stem.

(1) Ring

(2) Radial

(3) Centric

(4) Peripheral

Subtopic:  Dicot Stem |
 83%
From NCERT
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A large number of rounded, parenchymatous cells with large intracellular spaces which occupy the central position of stem constitute the __________.

(1) Lumen

(2) Pith

(3) Cortex

(4) Vascular bundle

Subtopic:  Dicot Stem |
 82%
From NCERT
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Phloem parenchyma is absent in

(1) Dicot stem

(2) Monocot stem

(3) Vascular bundle

(4) Both A and B

Subtopic:  Monocot Stem |
 91%
From NCERT
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In dicot leaves the ________ epidermis generally bears more stomata than the _________ epidermis.

(1) Abaxial, adaxial

(2) Adaxial, abaxial

(3) Axial, coaxial

(4) Coaxial, axial

Subtopic:  Dicot Leaf |
 82%
From NCERT
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The tissue between the upper and lower epidermis is called

(1) Chlorophyll

(2) Mesophyll

(3) Cambium

(4) Endodermis

Subtopic:  Dicot Leaf |
 90%
From NCERT
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Mesophyll in dicot leaves has two type of cell namely_________.

(1) Palisade parenchyma and spongy parenchyma

(2) Pith and Protoxylem

(3) Xylem and phloem

(4) Epidermis and endodermis

Subtopic:  Dicot Leaf |
 96%
From NCERT
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Vascular bundles are surrounded by a layer of thick walled ________.

1. Bundle sheath cells

2. Cuticle

3. Casparian strip

4. Waxy cell

Subtopic:  Dicot Leaf |
 83%
From NCERT
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In monocot leaf

1. Stomata is present on both surface of epidermis

2. Mesophyll is not differentiated into palisade and spongy parenchyma

3. There is no parenchyma

4. Both 1 and 2

Subtopic:  Monocot Leaf |
 89%
From NCERT
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In grasses certain adaxial epidermal cells along the vein modify themselves into large, empty, colourless cells called ________.

(1) Bark

(2) Bulliform cells

(3) Bundle sheath cells

(4) Spongy mesophyll cells

Subtopic:  Monocot Leaf |
 96%
From NCERT
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Bulliform cells help in

(1) Heat resistance

(2) Minimizing water loss

(3) Maintaining ion balance

(4) Mineral acquisition

Subtopic:  Monocot Leaf |
 96%
From NCERT
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