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Q. No.In the given figure, which component has thin outer walls and highly thickened inner walls?
1. D
2. A
3. B
4. C
Subtopic: Epidermal Tissue System |
77%
From NCERT
NEET - 2024
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | Parenchyma is living but collenchyma is dead tissue. |
| Statement II: | Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms. |
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Tissue: Introduction & Classification (OLD NCERT) | Simple Tissue: Parenchyma | Simple Tissue: Chollenchyma & Sclerenchyma | Complex Tissue: Xylem | Complex Tissue: Phloem |
64%
From NCERT
NEET - 2024
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Bulliform cells are responsible for
1. Protecting the plant from salt stress.
2. Increased photosynthesis in monocots.
3. Providing large spaces for storage of sugars.
4. Inward curling of leaves in monocots.
1. Protecting the plant from salt stress.
2. Increased photosynthesis in monocots.
3. Providing large spaces for storage of sugars.
4. Inward curling of leaves in monocots.
Subtopic: Monocot Leaf |
76%
From NCERT
NEET - 2024
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The transverse section of monocot root shows the following internal tissue organization. Arrange them in correct sequence starting from periphery to the centre.
A. Endodermis
B. Pith
C. Epidermis
D. Pericycle
E. Cortex
Choose the correct answer from the options given below:
1. D, C, E, A, B
2. A, C, E, B, D
3. C, E, A, D, B
4. C, E, D, B, A
A. Endodermis
B. Pith
C. Epidermis
D. Pericycle
E. Cortex
Choose the correct answer from the options given below:
1. D, C, E, A, B
2. A, C, E, B, D
3. C, E, A, D, B
4. C, E, D, B, A
Subtopic: Anatomy of Root |
87%
From NCERT
NEET - 2024
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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
1. Tracheid
2. Xylem fibre
3. Xylem parenchyma
4. Vessel
Subtopic: Complex Tissue: Xylem |
64%
From NCERT
NEET - 2024
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Read the following statements and find out the correct set of statements:
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
| 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. |
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 |
74%
From NCERT
NEET - 2024
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Given below are two statements:
In light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are True
2. Both Statement I and Statement II are False
3. Statement I is True but Statement II is False
4. Statement I is False but Statement II is True
| Statement I: | In collenchyma, cell walls are thickened at corners due to deposition of cellulose, hemicellulose and pectin. |
| Statement II: | Sclerenchyma consists of lignified cell walls and possesses pits. |
1. Both Statement I and Statement II are True
2. Both Statement I and Statement II are False
3. Statement I is True but Statement II is False
4. Statement I is False but Statement II is True
Subtopic: Simple Tissue: Chollenchyma & Sclerenchyma |
87%
From NCERT
NEET - 2024
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Interfascicular cambium and cork cambium are formed due to
1. Cell division
2. Cell differentiation
3. Cell dedifferentiation
4. Redifferentiation
1. Cell division
2. Cell differentiation
3. Cell dedifferentiation
4. Redifferentiation
Subtopic: Activity of Vascular Cambium (OLD NCERT) |
From NCERT
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Isobilateral (Monocotyledonous) leaf:
Choose the correct answer from the options given below:
1. A, B and D only
2. C and D only
3. B and D only
4. A and D only
| A: | exhibits reticulate venation |
| B: | mesophyll is differentiated into palisade and spongy parenchyma |
| C: | mesophyll is not differentiated into palisade and spongy parenchyma |
| D: | In grasses, certain adaxial epidermal cells along the veins modify into bulliform cells |
1. A, B and D only
2. C and D only
3. B and D only
4. A and D only
Subtopic: Monocot Leaf |
81%
From NCERT
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At some places the cambium form a narrow band of parenchyma, which passes through the secondary xylem and the secondary phloem in radial directions. What is this called
1. Secondary medullary Rays
2. Casparian strip
3. Pericycle
4. Vascular cambium
1. Secondary medullary Rays
2. Casparian strip
3. Pericycle
4. Vascular cambium
Subtopic: Activity of Vascular Cambium (OLD NCERT) |
76%
From NCERT
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