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Q. No.A plant with a fibrous root system and leaves with parallel venation would also have:
1. a vascular cambium.
2. secondary xylem and phloem.
3. a cork cambium.
4. none of the above.
Subtopic: Â Anatomy of Root |Â Monocot Leaf |
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Which of the following is a characteristic feature of monocot leaves compared to dicot leaves?
| 1. | Monocot leaves typically exhibit a parallel venation pattern, whereas dicot leaves display a reticulate venation pattern. |
| 2. | Monocot leaves are generally smaller in size and thickness than dicot leaves. |
| 3. | Dicot leaves usually have sheathing leaf bases, unlike monocot leaves. |
| 4. | Monocot leaves possess multiple main veins that originate from the same point at the base. |
Subtopic: Â Dicot Leaf |Â Monocot Leaf |
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Level 1: 80%+
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What function do bulliform cells perform in monocot leaves?
| 1. | Transport of nutrients |
| 2. | Photosynthesis |
| 3. | Regulation of leaf rolling and unrolling |
| 4. | Protection from herbivores |
Subtopic: Â Monocot Leaf |
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Level 1: 80%+
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Bulliform cells:
| 1. | Are large and colourless cells |
| 2. | When turgid help in leaf expansion and when flaccid due to water stress, they make leaves curl inwards to minimise water loss |
| 3. | Act as motor cells |
| 4. | All are correct |
Subtopic: Â Monocot Leaf |
 91%
Level 1: 80%+
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Which of the following is true in a vertical section of dorsoventral leaf?
| 1. | Mesophyll is undifferentiated. |
| 2. | Mesophyll is differentiated into palisade on one side of leaf and spongy parenchyma on the other side. |
| 3. | Palisade is present but spongy parenchyma is absent. |
| 4. | Spongy parenchyma is present but palisade absent. |
Subtopic: Â Dicot Leaf |Â Monocot Leaf |
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Two leaf cross-sections A and B are examined. Section A shows distinct palisade parenchyma on the adaxial surface and spongy parenchyma on the abaxial surface with stomata mostly on the lower surface.
Section B shows uniform mesophyll without differentiation and stomata on both surfaces. Based on this information:
Section B shows uniform mesophyll without differentiation and stomata on both surfaces. Based on this information:
| 1. | Both are dicot leaves showing variation |
| 2. | A is a dicot leaf (dorsiventral) and B is a monocot leaf (isobilateral) |
| 3. | Both are monocot leaves showing variation |
| 4. | A is a monocot leaf and B is a dicot leaf |
Subtopic: Â Dicot Leaf |Â Monocot Leaf |
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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: Â Anatomy of Root |Â Dicot Leaf |Â Monocot Leaf |
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Which of the following would be true regarding the anatomy of a monocot leaf?
| 1. | Bulliform cells are absent from the epidermis |
| 2. | Veins form a network |
| 3. | Mesophyll is well differentiated into these parts |
| 4. | Mesophyll is not differentiated into palisade and spongy parenchyma |
Subtopic: Â Monocot Leaf |
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Level 1: 80%+
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Which anatomical feature helps in distinguishing a dorsiventral leaf from an isobilateral leaf?
| 1. | Presence of cuticle |
| 2. | Distribution of stomata |
| 3. | Differentiated mesophyll tissue |
| 4. | Presence of vascular bundles |
Subtopic: Â Monocot Leaf |
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