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Q. No.Most of the economically important fibre yielding plants belong to family:
1. Malvaceae
2. Solanaceae
3. Cruciferae
4. Poaceae
Subtopic: Families of Flowering Plant |
56%
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Subtopic: Modification of Roots |
57%
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Subtopic: Modifications of Stem |
81%
From NCERT
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Ginger is an underground stem. It is distinguished from root because
1. it lacks chlorophyll
2. it stores food
3. it has nodes and internodes
4. it has xylem and vessels
1. it lacks chlorophyll
2. it stores food
3. it has nodes and internodes
4. it has xylem and vessels
Subtopic: Modification of Roots |
66%
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Which one of the following statements is correct?
1. Bulb of Allium cepa is a modified stem
2. Clovrs of Colocasia is a modified root
3, Corm of Colocasia is a modified root
4. Tendril in Vitis vinifera is a modified axillary bud.
1. Bulb of Allium cepa is a modified stem
2. Clovrs of Colocasia is a modified root
3, Corm of Colocasia is a modified root
4. Tendril in Vitis vinifera is a modified axillary bud.
Subtopic: Modifications of Stem |
50%
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Study the following statements and select the option with the correct statements.
1. I and II.
2. I and III
3. II and III
4. I, II and III
| I: | Pulvinus leaf base is present in some leguminous plants. |
| II: | In Eichhornia the petioles expand, become green and synthesise food. |
| III: | Opposite phyllotaxy is seen in guava. |
1. I and II.
2. I and III
3. II and III
4. I, II and III
Subtopic: Morphology of Leaf | Modification of Leaf | Modifications of Stem |
65%
From NCERT
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Subtopic: Families of Flowering Plant | Flower & Parts of Flower |
82%
From NCERT
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Match the following columns
1. 1 2 3
2. 2 3 1
3. 3 2 1
4. 2 1 3
| Column I | Column II |
| A. Opuntia | 1. Stem thorns |
| B. Asparagus | 2. Phylloclades |
| C. Citrus | 3. Cladodes |
2. 2 3 1
3. 3 2 1
4. 2 1 3
Subtopic: Modifications of Stem |
68%
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