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Q. No.
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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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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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
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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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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