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Q. No.Match the following plant parts with their primary functions:
Column I
Column II
A
Stomata
P
Supports the leaf blade and connects it to the stem
B
Xylem
Q
Involved in the transport of water and minerals from roots to leaves
C
Phloem
R
Involved in the transport of food from leaves to other parts of the plant
D
Petiole
S
Facilitates gas exchange and transpiration in plants
Codes:
A
B
C
D
1.
S
Q
R
P
2.
P
Q
R
s
3.
P
R
Q
S
4.
Q
P
S
R
Subtopic: Complex Tissue: Xylem | Complex Tissue: Phloem |
96%
From NCERT
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Consider the given two statements:
| Assertion (A): | Gymnosperms have vessels in their xylem. |
| Reason (R): | The presence of vessels in gymnosperms helps in the efficient transport of water and minerals. |
| 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: Xylem |
88%
From NCERT
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Anatomical features of a dorsiventral leaf include:
| 1. | Parallel venation and a single layer of palisade cells. |
| 2. | Differentiated upper and lower epidermis, with the upper epidermis being thicker. |
| 3. | Undifferentiated mesophyll and scattered vascular bundles. |
| 4. | Differentiated mesophyll into palisade and spongy tissues. |
Subtopic: Dicot Leaf |
89%
From NCERT
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The number of features seen in a dicotyledonous stem from among the features given below is:
| I: | Sclerenchymatous pericycle |
| II: | Casparian strips in endodermis are very common |
| III: | Collechymatous hypodermis |
| IV: | Conjoint open vascular bundles with exarch protoxylem |
| 1. | 4 | 2. | 3 |
| 3. | 2 | 4. | 1 |
Subtopic: Dicot Stem |
56%
From NCERT
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| Assertion (A): | Sclerenchyma provides mechanical support to organs and is usually dead and without protoplasts. |
| Reason (R): | Sclerenchyma consists of long, narrow cells with thick and lignified cell walls having a few or numerous pits. |
| 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. | (A) is False, but (R) is True. |
Subtopic: Simple Tissue: Chollenchyma & Sclerenchyma |
59%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | When xylem and phloem within a vascular bundle are arranged in an alternate manner along the different radii, the arrangement is called radial, such as in roots. |
| Statement II: | In conjoint type of vascular bundles, the xylem and phloem are jointly situated along the same radius of vascular bundles. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Vascular Tissue System |
100%
From NCERT
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Consider the given two statements:
| Assertion (A): | Phloem in angiosperms is composed of sieve tube elements, companion cells, phloem parenchyma, and phloem fibres. |
| Reason (R): | Gymnosperms have albuminous cells and sieve cells but lack sieve tubes and companion cells. |
| 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. | (A) is False, but (R) is True. |
Subtopic: Complex Tissue: Phloem |
94%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Monocot stem | P. | Conjoint and closed vascular bundles |
| B. | Monocot root | Q. | Polyarch xylem, radial vascular bundles |
| C. | Dicot stem | R. | Conjoint and open vascular bundles |
| D. | Dicot root | S. | Two to four xylem and phloem patches |
Codes:
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | S | R | Q | P |
| 3. | P | Q | S | R |
| 4. | S | R | P | Q |
Subtopic: Monocot Stem |
85%
From NCERT
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The given diagram shows the transverse section of a:
| 1. | Monocot stem | 2. | Dicot stem |
| 3. | Monocot root | 4. | Dicot root |
Subtopic: Monocot Stem |
72%
From NCERT
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The cells of which tissue in plants are living, show angular wall thickening and provide mechanical support?
| 1. | Xylem | 2. | Sclerenchyma |
| 3. | Collenchyma | 4. | Epidermis |
Subtopic: Simple Tissue: Chollenchyma & Sclerenchyma |
83%
From NCERT
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