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 |
 78%
From NCERT
NEET - 2024
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Given below are two statements:
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.
Subtopic:  Monocot Leaf |
 77%
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
Subtopic:  Anatomy of Root |
 80%
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
Subtopic:  Complex Tissue: Xylem |
 52%
From NCERT
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 |
 67%
From NCERT
NEET - 2024
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Given below are two statements:
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.
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
Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 78%
From NCERT
NEET - 2024
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Give below are two statements :
Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement II: Exarch condition is the most common feature of the root system.

In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic:  Dicot Stem |
 57%
From NCERT
NEET - 2023
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Identify the correct statements:
 
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single- layered in thickness.

Choose the correct answer from the options given below:
1. B and C only 2. B, C and E only
3. A and D only  4. A, B and D only
Subtopic:  Activity of Cork Cambium |
 69%
From NCERT
NEET - 2023
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The transverse section of plant part showed polyarch, radial and exarch xylem, with endodermis and pericycle. The plant part is identified as:
1. Monocot root 2. Dicot root
3. Dicot stem 4. Monocot stem
Subtopic:  Anatomy of Root |
 71%
From NCERT
NEET - 2023
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