- 1(current)
Q. No.Identify the incorrect statement:
| 1. | In dicot root, initiation of lateral roots and vascular cambium during the secondary growth takes place in the pericycle |
| 2. | In monocot roots xylem bundles are usually more than six [polyarch] |
| 3. | In dicot stems vascular bundles are arranged in a ring |
| 4. | Monocot stem has a parenchymatous hypodermis |
Subtopic: Monocot Stem |
85%
From NCERT
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Identify the incorrect comparison between monocots and dicots in general:
| Character | Monocots | Dicots | |
| 1. | Leaves | Parallel venation | Reticulate venation |
| 2. | Roots | Primary root of short duration, replaced by adventitial roots forming fibrous or fleshy root systems | Develops from the radicle. Primary root often persists forming strong tap roots and secondary roots |
| 3. | Plant stem: Vascular bundles | Ring of primary bundles with cambium, differentiated into cortex and stele | Numerous scattered bundles in ground parenchyma, cambium mostly absent, no differentiation between cortical and stelar regions |
| 4. | Flowers | Parts in threes (trimerous) or multiples of three | Fours (tetramerous) or fives (pentamerous) |
Subtopic: Anatomy of Root | Dicot Stem | Monocot Stem | Dicot Leaf | Monocot Leaf |
86%
From NCERT
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A sclerenchymatous hypodermis, a large number of scattered vascular bundles, and water-containing cavities present within the vascular bundles are anatomical features of
| 1. | monocot stem | 2. | dicot stem |
| 3. | monocot root | 4. | dicot root |
Subtopic: Monocot Stem |
83%
From NCERT
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Identify the incorrect match regarding anatomy of a monocotyledonous stem:
| 1. | Hypodermis: Sclerenchymatous |
| 2. | Vascular bundles surrounded by: Collenchymatous bundle sheath |
| 3. | Ground tissue: Parenchymatous |
| 4. | Vascular bundles: Conjoint and closed |
Subtopic: Monocot Stem |
81%
From NCERT
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The presence of a large number of scattered vascular bundles each surrounded by a sclerenchymatous bundle sheath is characteristic of:
1. Dicot stem
2. Monocot stem
3. Dicot root
4. Monocot root
1. Dicot stem
2. Monocot stem
3. Dicot root
4. Monocot root
Subtopic: Monocot Stem |
89%
From NCERT
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- 1(current)
Q. No.
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