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Q. No.Consider the following plant tissues:
(A) Axillary buds
(B) Fascicular vascular cambium
(C) Interfascicular cambium
(D) Cork cambium
(E) Intercalary meristem
Identify the lateral meristems among the above:
1.
(A), (C) and (D) only
2.
(B), (C) and (D) only
3.
(A), (B), (C) and (E) only
4.
(A), (B), (D) and (E) only
Subtopic: Meristematic Tissue:Classification (OLD NCERT) |
83%
From NCERT
NEET - 2023
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Given below are two statements:
| Assertion (A): | Both apical and intercalary meristems are primary meristems |
| Reason (R): | Apical and intercalary meristem appear early in life and contribute to the formation of primary plant body |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Meristematic Tissue:Classification (OLD NCERT) |
88%
From NCERT
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Given below are two statements:
| Assertion (A): | Vascular bundles in dicot stem, possess the ability to form secondary xylem and phloem tissues |
| Reason (R): | In dicotyledonous stems, cambium is present between xylem and phloem |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Vascular Tissue System |
87%
From NCERT
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Given below are two statements:
| Assertion (A): | In the monocotyledons, the vascular bundles lack cambium |
| Reason (R): | Monocots show secondary growth in their stems and roots |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Activity of Vascular Cambium (OLD NCERT) | Activity of Cork Cambium |
83%
From NCERT
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Given below are two statements:
| Assertion (A): | A continuous cambial ring is formed in dicot stem during secondary growth |
| Reason (R): | In dicot stem, the cells of medullary rays, adjoining interfascicular cambium become meristematic and forms intrafascicular cambium |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Activity of Vascular Cambium (OLD NCERT) | Activity of Cork Cambium |
56%
From NCERT
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Given below are two statements:
| Assertion (A): | Trichomes are epidermal hairs on the stem |
| Reason (R): | Trichomes are always unicellular |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Epidermal Tissue System |
77%
From NCERT
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Given below are two statements:
| Assertion (A): | A typical dicot stem produces more wood in comparison to bast |
| Reason (R): | -Cambium is generally more active on the inner side than that of the outer side |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Activity of Cork Cambium |
66%
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Given below are two statements:
| Assertion (A): | Interfascicular cambium is formed as a result of de-differentiation |
| Reason (R): | Interfascicular cambium is developed from primary meristems due to structural and functional changes |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Activity of Vascular Cambium (OLD NCERT) |
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Given below are two statements:
| Assertion (A): | Companion cells help in maintaining a proper pressure gradient in sieve tubes |
| Reason (R): | Nuclei of companion cells control the activities of sieve tubes |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Complex Tissue: Phloem |
From NCERT
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Given below are two statements:
| Assertion (A): | Lateral meristem is a secondary meristem |
| Reason (R): | Primary meristems appear early in plant life and contribute to the formation of the primary plant body |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Meristematic Tissue:Classification (OLD NCERT) |
88%
From NCERT
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