What is the number of correct statements from those given below?

I: Primary xylem is endarch in roots
II: Phloem parenchyma is present in most of the monocots.
III: Phloem fibers are generally absent in the primary phloem.
IV: Companion cells are collenchymatous cells.
V: Angiosperms lack vessels in their xylem.

 
1. 0
2. 1
3. 2
4. 3

Subtopic:  Complex Tissue: Xylem | Complex Tissue: Phloem |
 54%
Level 3: 35%-60%
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Consider the given two statements:
Statement I: Parenchyma cells are loosely packed and have large intercellular spaces.
Statement II: Collenchyma cells are thin-walled and primarily serve to transport nutrients.
 
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect
Subtopic:  Simple Tissue: Parenchyma | Simple Tissue: Chollenchyma & Sclerenchyma |
 56%
Level 3: 35%-60%
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What are the distinctive features of collenchyma cells?
1. They are elongated cells with thickened lignified cell walls.
2. They are dead cells that provide structural support.
3. They are elongated cells with unevenly thickened non-lignified cell walls.
4. They contain chloroplasts and primarily function in storage.
Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 51%
Level 3: 35%-60%
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Which of the following cell type of vascular tissue system of plants is not correctly matched with its function?

Cell type Function
1. Tracheid Chief water conduction element in gymnosperms
2. Vessel element Chief water conduction element in angiosperms
3. Sieve cell Food conduction element in angiosperms
4. Albuminous cell Delivery of substances to sieve cells
Subtopic:  Complex Tissue: Phloem |
 54%
Level 3: 35%-60%
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Consider the given two statements:
Assertion (A):  Grasses can regenerate parts lost due to grazing herbivores.
Reason (R):  Grasses have secondary meristems like intercalary meristem.
 
1. Both (A) and (R) are True and (R) explains (A)
2. Both (A) and (R) are True but (R) does not explain (A)
3. (A) is True but (R) is False
4. (A) is False but (R) is True
Subtopic:  Meristematic Tissues |
 61%
Level 2: 60%+
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Which of the following is/are a correct match?
I: Bulliform cells large, bubble-shaped epidermal cells that occur in groups on the upper surface of the leaves of many monocots.
II: Lenticels a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of dicotyledonous flowering plants
 
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic:  Monocot Leaf | Activity of Cork Cambium |
 56%
Level 3: 35%-60%
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The type of tissue commonly found in the fruit wall of nuts is :
1. Parenchyma 2. Collenchyma
3. Sclerenchyma 4. Sclereid
Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 62%
Level 2: 60%+
NEET - 2022
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The given figure, with reference to the anatomy of plants, represents:
1. Tracheid 2. Xylem fibre
3. Xylem parenchyma 4. Vessel
Subtopic:  Complex Tissue: Xylem |
 60%
Level 2: 60%+
NEET - 2024
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Read the following statements and find out the correct set of statements:
A. Companion cells help in maintaining the pressure gradient in the sieve tubes.
B. Gymnosperms lack vessels in their xylem
C. The xylem vessels are devoid of cytoplasm
D. Xylem fibres may be septate or aseptate
E. A mature sieve element in phloem possesses cytoplasm, vacuole and nucleus.
Choose the correct answer from the options given below:
1. B, C, D, E only 2. A, B, D, E only
3. A, B, C, D only 4. C, D, E only 
Subtopic:  Complex Tissue: Xylem | Complex Tissue: Phloem |
 72%
Level 2: 60%+
NEET - 2024
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Which of the following statements is not true for stomatal apparatus?

1. Inner walls of guard cells are thick
2. Guard cells invariably possess chloroplasts and mitochondria
3. Guard cells are always surrounded by subsidiary cells
4. Stomata are involved in gaseous exhange
Subtopic:  Epidermal Tissue System |
Level 3: 35%-60%
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