- 1(current)
Q. No.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. |
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: Â Simple Tissue: Parenchyma |Â Simple Tissue: Chollenchyma & Sclerenchyma |Â Complex Tissue: Xylem |Â Complex Tissue: Phloem |
 68%
Level 2: 60%+
NEET - 2024
Hints
Read the following statements and find out the correct set of statements:
Choose the correct answer from the options given below:
| 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: Â Complex Tissue: Xylem |Â Complex Tissue: Phloem |
 74%
Level 2: 60%+
NEET - 2024
Hints
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
1. Albuminous cells
2. Sieve cells
3. Phloem parenchyma
4. Companion cells
Subtopic: Â Complex Tissue: Phloem |
 84%
Level 1: 80%+
NEET - 2024
Hints
Phloem in gymnosperms lacks:
1. Both sieve tubes and companion cells
2. Albuminous cells and sieve cells
3. Sieve tubes only
4. Companion cells only
Subtopic: Â Complex Tissue: Phloem |
 82%
Level 1: 80%+
NEET - 2019
Hints
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- 1(current)
Q. No.
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