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 |
 75%
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 |
 67%
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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%
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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 |
 88%
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 |
 67%
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 |
 76%
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 |
 89%
From NCERT
NEET - 2024
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Which of the following simple tissues are commonly found in the fruit walls of nuts and pulp of pear?
1. Sclereids 
2. Fibres
3. Parenchyma 
4. Collenchyma
Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 83%
From NCERT
NEET - 2024
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Which one of the following is not found in Gymnosperms?
1. Sieve Cells
2. Albuminous Cells 
3. Tracheids
4. Vessels
Subtopic:  Complex Tissue: Xylem |
 79%
From NCERT
NEET - 2024
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Which of the following helps in maintenance of the pressure gradient in sieve tubes? 
1. Albuminous cells 
2. Sieve cells 
3. Phloem parenchyma 
4. Companion cells 
Subtopic:  Complex Tissue: Phloem |
 85%
From NCERT
NEET - 2024
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