05. Dicot and Monocot Stem
Anatomy of Flowering Plants

271807 Assertion (A) : The primary and secondary phloem gradually crushed in the secondary growth of dicot stem.
Reason (R) : The secondary xylem is produced more than secondary phloem.
The correct option among the following is :

1 (A) is true, (R) is true and (R) is the correct explanation for \((\mathrm{A})\)
2 (A) is true, ( \(R\) ) is true but (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Anatomy of Flowering Plants

271811 Grafting is successful in dicots but not in monocots because the dicots have

1 Vascular bundles arranged in a ring
2 Cambium for secondary growth
3 Vessels with elements arranged end to end
4 Cork cambium
Anatomy of Flowering Plants

271817 Why are vascular bundles closed in monocots?

1 Xylem and phloem are present
2 Xylem and phloem occur in separate bundles
3 Vascular cambium is present between xylem and phloem
4 Vascular cambium is not present.
Anatomy of Flowering Plants

271799 Match the following
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| I. | Well developed
large pith | A. | Endodermis |
| II. | Caparian strips | B. | Monocot stem |
| III. | Scelerenchymatous
bundle sheath | C. | Dicot stem |
| IV. | Endarch
protoxylem | D. | Monocot root |

1 I-B, II-A, III-D, IV-C
2 I-D, II-A, III-B, IV-C
3 I-D, II-C, III-A, IV-B
4 I-C, II-A, III-D, IV-B
Anatomy of Flowering Plants

271809 The transverse section of a plant shows following anatomical features :

1 Monocotyledonous root
2 Dicotyledonous stem
3 Dicotyledonous root
4 Monocotyledonous stem
Anatomy of Flowering Plants

271807 Assertion (A) : The primary and secondary phloem gradually crushed in the secondary growth of dicot stem.
Reason (R) : The secondary xylem is produced more than secondary phloem.
The correct option among the following is :

1 (A) is true, (R) is true and (R) is the correct explanation for \((\mathrm{A})\)
2 (A) is true, ( \(R\) ) is true but (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Anatomy of Flowering Plants

271811 Grafting is successful in dicots but not in monocots because the dicots have

1 Vascular bundles arranged in a ring
2 Cambium for secondary growth
3 Vessels with elements arranged end to end
4 Cork cambium
Anatomy of Flowering Plants

271817 Why are vascular bundles closed in monocots?

1 Xylem and phloem are present
2 Xylem and phloem occur in separate bundles
3 Vascular cambium is present between xylem and phloem
4 Vascular cambium is not present.
Anatomy of Flowering Plants

271799 Match the following
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| I. | Well developed
large pith | A. | Endodermis |
| II. | Caparian strips | B. | Monocot stem |
| III. | Scelerenchymatous
bundle sheath | C. | Dicot stem |
| IV. | Endarch
protoxylem | D. | Monocot root |

1 I-B, II-A, III-D, IV-C
2 I-D, II-A, III-B, IV-C
3 I-D, II-C, III-A, IV-B
4 I-C, II-A, III-D, IV-B
Anatomy of Flowering Plants

271809 The transverse section of a plant shows following anatomical features :

1 Monocotyledonous root
2 Dicotyledonous stem
3 Dicotyledonous root
4 Monocotyledonous stem
Anatomy of Flowering Plants

271807 Assertion (A) : The primary and secondary phloem gradually crushed in the secondary growth of dicot stem.
Reason (R) : The secondary xylem is produced more than secondary phloem.
The correct option among the following is :

1 (A) is true, (R) is true and (R) is the correct explanation for \((\mathrm{A})\)
2 (A) is true, ( \(R\) ) is true but (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Anatomy of Flowering Plants

271811 Grafting is successful in dicots but not in monocots because the dicots have

1 Vascular bundles arranged in a ring
2 Cambium for secondary growth
3 Vessels with elements arranged end to end
4 Cork cambium
Anatomy of Flowering Plants

271817 Why are vascular bundles closed in monocots?

1 Xylem and phloem are present
2 Xylem and phloem occur in separate bundles
3 Vascular cambium is present between xylem and phloem
4 Vascular cambium is not present.
Anatomy of Flowering Plants

271799 Match the following
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| I. | Well developed
large pith | A. | Endodermis |
| II. | Caparian strips | B. | Monocot stem |
| III. | Scelerenchymatous
bundle sheath | C. | Dicot stem |
| IV. | Endarch
protoxylem | D. | Monocot root |

1 I-B, II-A, III-D, IV-C
2 I-D, II-A, III-B, IV-C
3 I-D, II-C, III-A, IV-B
4 I-C, II-A, III-D, IV-B
Anatomy of Flowering Plants

271809 The transverse section of a plant shows following anatomical features :

1 Monocotyledonous root
2 Dicotyledonous stem
3 Dicotyledonous root
4 Monocotyledonous stem
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Anatomy of Flowering Plants

271807 Assertion (A) : The primary and secondary phloem gradually crushed in the secondary growth of dicot stem.
Reason (R) : The secondary xylem is produced more than secondary phloem.
The correct option among the following is :

1 (A) is true, (R) is true and (R) is the correct explanation for \((\mathrm{A})\)
2 (A) is true, ( \(R\) ) is true but (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Anatomy of Flowering Plants

271811 Grafting is successful in dicots but not in monocots because the dicots have

1 Vascular bundles arranged in a ring
2 Cambium for secondary growth
3 Vessels with elements arranged end to end
4 Cork cambium
Anatomy of Flowering Plants

271817 Why are vascular bundles closed in monocots?

1 Xylem and phloem are present
2 Xylem and phloem occur in separate bundles
3 Vascular cambium is present between xylem and phloem
4 Vascular cambium is not present.
Anatomy of Flowering Plants

271799 Match the following
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| I. | Well developed
large pith | A. | Endodermis |
| II. | Caparian strips | B. | Monocot stem |
| III. | Scelerenchymatous
bundle sheath | C. | Dicot stem |
| IV. | Endarch
protoxylem | D. | Monocot root |

1 I-B, II-A, III-D, IV-C
2 I-D, II-A, III-B, IV-C
3 I-D, II-C, III-A, IV-B
4 I-C, II-A, III-D, IV-B
Anatomy of Flowering Plants

271809 The transverse section of a plant shows following anatomical features :

1 Monocotyledonous root
2 Dicotyledonous stem
3 Dicotyledonous root
4 Monocotyledonous stem
Anatomy of Flowering Plants

271807 Assertion (A) : The primary and secondary phloem gradually crushed in the secondary growth of dicot stem.
Reason (R) : The secondary xylem is produced more than secondary phloem.
The correct option among the following is :

1 (A) is true, (R) is true and (R) is the correct explanation for \((\mathrm{A})\)
2 (A) is true, ( \(R\) ) is true but (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Anatomy of Flowering Plants

271811 Grafting is successful in dicots but not in monocots because the dicots have

1 Vascular bundles arranged in a ring
2 Cambium for secondary growth
3 Vessels with elements arranged end to end
4 Cork cambium
Anatomy of Flowering Plants

271817 Why are vascular bundles closed in monocots?

1 Xylem and phloem are present
2 Xylem and phloem occur in separate bundles
3 Vascular cambium is present between xylem and phloem
4 Vascular cambium is not present.
Anatomy of Flowering Plants

271799 Match the following
| List-I | | List-II | |
| :--- | :--- | :--- | :--- |
| I. | Well developed
large pith | A. | Endodermis |
| II. | Caparian strips | B. | Monocot stem |
| III. | Scelerenchymatous
bundle sheath | C. | Dicot stem |
| IV. | Endarch
protoxylem | D. | Monocot root |

1 I-B, II-A, III-D, IV-C
2 I-D, II-A, III-B, IV-C
3 I-D, II-C, III-A, IV-B
4 I-C, II-A, III-D, IV-B
Anatomy of Flowering Plants

271809 The transverse section of a plant shows following anatomical features :

1 Monocotyledonous root
2 Dicotyledonous stem
3 Dicotyledonous root
4 Monocotyledonous stem