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Q. No.In legumes, the pulvinus:
1.
enables rapid leaf movement in response to touch (thigmonasty)
2.
assists in water conservation by folding the leaves during drought
3.
helps protect the plant by producing toxic compounds
4.
promotes gas exchange by moving the leaves away from each other
Subtopic: Modification of Leaf |
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Which of the following statements about the structure of a dicot seed is incorrect?
| 1. | The seed coat is made up of two layers: the outer testa and the inner tegmen. |
| 2. | The hilum is a scar on the seed coat that marks the point of attachment to the ovary wall. |
| 3. | The micropyle is a small pore in the seed coat that allows the entry of water during germination. |
| 4. | The endosperm is the primary storage tissue in mature dicot seeds, providing nourishment to the developing embryo. |
Subtopic: Seed |
56%
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Which alphabet in the given figure represents the ‘scutellum’ in a monocotyledonous seed?
| 1. | A | 2. | B |
| 3. | C | 4. | D |
Subtopic: Seed |
57%
From NCERT
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Arrange the following in the decreasing order of their number [largest to smallest]:
1. C - B - A
2. B - A - C
3. A - B - C
4. A - C - B
| A: | Stamens in Brassicaceae. |
| B: | Petals in Solanaceae. |
| C: | Cotyledons in grass seeds. |
2. B - A - C
3. A - B - C
4. A - C - B
Subtopic: Families of Flowering Plant | Families of Flowering Plants: Solanaceae |
53%
From NCERT
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Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a) and (b):
1. (a) Hypogynous; (b) Epigynous
2. (a) Perigynous; (b) Epigynous
3. (a) Perigynous; (b) Perigynous
4. (a) Epigynous; (b) Hypogynous
1. (a) Hypogynous; (b) Epigynous
2. (a) Perigynous; (b) Epigynous
3. (a) Perigynous; (b) Perigynous
4. (a) Epigynous; (b) Hypogynous
Subtopic: Flower & Parts of Flower: I |
68%
From NCERT
NEET - 2024
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Identify the incorrect statement about racemose inflorescence:
| 1. | The main axis continues to grow. |
| 2. | Flowers are borne acropetally on the axis. |
| 3. | It is a type of compound inflorescence. |
| 4. | The youngest flower is at the apex. |
Subtopic: Inflorescence |
55%
From NCERT
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Key differences between monocot and dicot seeds include all of the following except:
| 1. | Monocots have one cotyledon, while dicots have two |
| 2. | Monocot seeds usually contain endosperm, whereas dicot seeds do not |
| 3. | The seed coat is fused with the fruit in monocots but not in dicots |
| 4. | Monocots have scattered vascular bundles, while dicots have them in a ring |
Subtopic: Seed |
From NCERT
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The lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil, and then come out obliquely upward giving rise to leafy shoots in
1. Pistia and Eichhornia
2. Pineapple and Chrysanthemum
3. Mint and Jasmine
4. Opuntia and Euphorbia
1. Pistia and Eichhornia
2. Pineapple and Chrysanthemum
3. Mint and Jasmine
4. Opuntia and Euphorbia
Subtopic: Modifications of Stem |
60%
From NCERT
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Which of the following refer to individual components of a floral whorl?
i. Androecium
ii. Carpel
iii. Corolla
iv. Sepal
1. i and iv
2. iii and iv
3. ii and iv
4. i and ii
i. Androecium
ii. Carpel
iii. Corolla
iv. Sepal
1. i and iv
2. iii and iv
3. ii and iv
4. i and ii
Subtopic: Flower & Parts of Flower |
50%
From NCERT
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Consider the given two statements:
| Assertion(A): | In cymose type of inflorescence, the main axis is limited in growth. |
| Reason (R): | In cymose type of inflorescence, the flowers are borne in a basipetal order. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Inflorescence |
52%
From NCERT
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