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Q. No.The region of the root that is responsible for the growth of root in length is:
1. Root cap
2. Region of meristematic activity
3. Region of elongation
4. Region of maturation
Subtopic: Morphology of Roots |
79%
From NCERT
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In China rose:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Phyllotaxy is whorled. |
| II: | Flower is hypogynous. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Flower & Parts of Flower |
79%
From NCERT
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| Assertion (A): | An apple is considered a "true fruit". |
| Reason (R): | In botanical terms, a fruit in apple develops from only the ovary of a flower after fertilization, containing seeds within. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Fruit |
88%
From NCERT
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If a dicot plant bears flowers but never produces fruits and seeds, the plant is most likely:
1. Dioecious with only pistillate flowers
2. Dioecious with only staminate flowers
3. Plant is monoecious
4. Plant is self-pollinated
1. Dioecious with only pistillate flowers
2. Dioecious with only staminate flowers
3. Plant is monoecious
4. Plant is self-pollinated
Subtopic: Flower & Parts of Flower |
77%
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Identify the incorrectly matched pair:
1. Monadelphous stamens: China rose
2. Vexillary aestivation: Pea
3. Actinomorphic flower: Mustard
4. Apocarpous gynoecium: Tomato
1. Monadelphous stamens: China rose
2. Vexillary aestivation: Pea
3. Actinomorphic flower: Mustard
4. Apocarpous gynoecium: Tomato
Subtopic: Flower & Parts of Flower |
79%
From NCERT
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Which of the following will not be a floral feature of Brassicaceae [Cruciferae]?
1. Four-petaled flowers
2. Six stamens
3. Inferior ovary
4. Raceme inflorescence
1. Four-petaled flowers
2. Six stamens
3. Inferior ovary
4. Raceme inflorescence
Subtopic: Flower & Parts of Flower |
78%
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How many of the given pairs are correctly matched?
1. 0
2. 1
3. 2
4. 3
| I: | Perigynous flower : Rose |
| II: | Imbricate aestivation : Gulmohur |
| III: | Polyadelphous stamens : Citrus |
2. 1
3. 2
4. 3
Subtopic: Flower & Parts of Flower |
83%
From NCERT
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Axillary buds of the stem may get modified into:
| 1. | Tendrils | 2. | Thorns |
| 3. | Both 1 and 2 | 4. | Neither 1 nor 2 |
Subtopic: Modifications of Stem |
84%
From NCERT
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The following diagram can represent the position of the ovary in:
| 1. | Brinjal | 2. | Guava |
| 3. | Rose | 4. | Mustard |
Subtopic: Flower & Parts of Flower |
77%
From NCERT
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Ovary is one-chambered but becomes two-chambered due to the formation of the false septum in:
1. Argemone
2. Salvia
3. Cassia
4. Primrose
1. Argemone
2. Salvia
3. Cassia
4. Primrose
Subtopic: Flower & Parts of Flower |
81%
From NCERT
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