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Q. No.The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.
a.
It is also called as the early wood.
b.
In spring season cambium produces xylem elements with narrow vessels.
c.
It is lighter in colour.
d.
The springwood along with autumn wood shows alternate concentric rings forming annual rings.
e.
It has lower density.
Choose the correct answer from the options given below:
1. (c), (d) and (e) Only
2. (a), (b), (d) and (e) Only
3. (a), (c), (d) and (e)Only
4. (a), (b) and (d) Only
Choose the correct answer from the options given below:
1. (c), (d) and (e) Only
2. (a), (b), (d) and (e) Only
3. (a), (c), (d) and (e)Only
4. (a), (b) and (d) Only
81%
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NEET - 2022
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Axillary buds are derived from the activity of :
1. Lateral meristem
2. Secondary meristem
3. Apical meristem
4. Intercalary meristem
80%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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Select the correct statements related to the activity of cork cambium:
| 1. | The outer cells differentiate into phelloderm. |
| 2. | The cork differentiated from cork cambium, is impervious to water due to deposition of tannins and resins. |
| 3. | Cuts the cells only on the outer side. |
| 4. | Cuts the cells on inner as well as outer side. |
Subtopic: Activity of Cork Cambium |
59%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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Which of the following is not a character of collenchyma tissue?
| 1. | They provide mechanical support to the growing part of the plant |
| 2. | They occur in layers below epidermis in dicotyledonous plants |
| 3. | They consist of cells with thick corners due to cellulose deposition |
| 4. | They are usually dead and without protoplasts |
Subtopic: Simple Tissue: Chollenchyma & Sclerenchyma |
81%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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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: Anatomy of Root | Dicot Leaf | Monocot Leaf |
88%
From NCERT
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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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