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Q. No.Which of the following is incorrectly paired with its structure and function?
1.
sclerenchyma supporting cells with thick secondary walls
2.
periderm protective coat of woody stems and roots
3.
pericycle waterproof ring of cells surrounding the central stele in roots
4.
mesophyll parenchyma cells functioning in photosynthesis in leaves
Subtopic: Anatomy of Root |
60%
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| Assertion(A): | Long-distance flow of photoassimilates in plants occurs through sieve tubes. |
| Reason(R): | Mature sieve tubes have parietal cytoplasm and perforated sieve plates. |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is a true statement but (R) is false. |
| 4. | Both (A) and (R) are false statements. |
Subtopic: Complex Tissue: Phloem |
From NCERT
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Which of the following have unevenly thickened primary walls that support young, growing parts of the plant?
| 1. | parenchyma cells |
| 2. | collenchyma cells |
| 3. | sclerenchyma cells |
| 4. | tracheids and vessel elements |
Subtopic: Simple Tissue: Chollenchyma & Sclerenchyma |
87%
From NCERT
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All of the following cell types are correctly matched with their functions except
| 1. | mesophyll–photosynthesis. |
| 2. | guard cell–regulation of transpiration. |
| 3. | sieve-tube member–translocation. |
| 4. | companion cell–formation of secondary xylem and phloem. |
Subtopic: Complex Tissue: Phloem |
83%
From NCERT
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One important difference between the anatomy of roots and the anatomy of leaves is that:
| 1. | only leaves have phloem and only roots have xylem. |
| 2. | root cells have cell walls and leaf cells do not. |
| 3. | a waxy cuticle covers leaves but is absent from roots. |
| 4. | vascular tissue is found in roots but is absent from leaves. |
Subtopic: Epidermal Tissue System |
89%
From NCERT
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| Assertion(A): | In the dicot stem, the vascular bundles are open. |
| Reason(R): | Cambium is present between xylem and phloem of the vascular bundle in the dicot stem. |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is a true statement but (R) is false. |
| 4. | Both (A) and (R) are false statements. |
Subtopic: Dicot Stem |
86%
From NCERT
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Which of the following has "anucleate" cells
1. Sieve tube elements
2. Xylem Parenchyma
3. Companion cells
4. Phloem Parenchyma
1. Sieve tube elements
2. Xylem Parenchyma
3. Companion cells
4. Phloem Parenchyma
Subtopic: Complex Tissue: Xylem |
83%
From NCERT
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Given below are two statements:
Statement I: The generation of cellular diversity is known as differentiation.
Statement II: Formation of interfascicular cambium and cork cambium from fully differentiated parenchyma cells are examples of dedifferentiation.
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct.
2. Both statement I and statement II are incorrect.
3. Statement I is correct but statement II is incorrect.
4. Statement I is incorrect but statement II is correct.
Statement I: The generation of cellular diversity is known as differentiation.
Statement II: Formation of interfascicular cambium and cork cambium from fully differentiated parenchyma cells are examples of dedifferentiation.
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct.
2. Both statement I and statement II are incorrect.
3. Statement I is correct but statement II is incorrect.
4. Statement I is incorrect but statement II is correct.
72%
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Initiation of lateral roots and vascular cambium during secondary growth takes place in cells of :
| 1. | Epiblema | 2. | Cortex |
| 3. | Endodermis | 4. | Pericycle |
Subtopic: Anatomy of Root |
76%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
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 |
58%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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