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Q. No.Given below are two statements:
Assertion (A):
In cymose inflorescence, the growth of the main axis is limited
Reason (R):
In cymose inflorescence, the main axis terminates in a flower
1.
Both (A) and (R) are true and (R) is the correct explanation of (A).
2.
Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.
(A) is true but (R) is false.
4.
Both (A) and (R) are false.
Subtopic: Inflorescence |
90%
From NCERT
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Given below are two statements:
| Assertion (A): | In guava and cucumber the ovary is said to be inferior |
| Reason (R): | In guava and cucumber, the margin of thalamus from upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Flower & Parts of Flower |
88%
From NCERT
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Given below are two statements:
| Assertion (A): | Sunflower has basal placentation |
| Reason (R): | Sunflower has many ovules in each ovary |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Flower & Parts of Flower |
73%
From NCERT
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Given below are two statements:
| Assertion (A): | Ovary is said to be superior in potato |
| Reason (R): | Swollen placenta is characteristic feature of family Solanaceae |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Families of Flowering Plant |
71%
From NCERT
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Given below are two statements:
| Assertion (A): | Aleurone layer is proteinaceous in nature |
| Reason (R): | Aleurone layer is triploid as it is a part of endosperm |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Seed |
58%
From NCERT
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Given below are two statements:
| Assertion (A): | In mango, the ovules after fertilisation, develop into fruits |
| Reason (R): | In mango, the pericarp is not further differentiated into layers |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Seed | Flower & Parts of Flower |
66%
From NCERT
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Given below are two statements:
| Assertion (A): | Presence of pneumatophores are morphological adaptive strategies of marshy plants |
| Reason (R): | Pneumatophores are modified adventitious roots for gaseous exchange |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Modification of Roots |
From NCERT
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Given below are two statements:
| Assertion (A): | In hypogynous condition, ovary is superior |
| Reason (R): | In hypogynous conditions, all other floral whorls are borne below the level of ovary |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Flower & Parts of Flower |
85%
From NCERT
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Given below are two statements:
| Assertion (A): | Rhizome of ginger has nodes and internodes |
| Reason (R): | Rhizome of ginger is an underground modified stem |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Modifications of Stem |
66%
From NCERT
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Given below are two statements:
| Assertion (A): | The large shield-shaped cotyledon in maize is called scutellum |
| Reason (R): | The outermost layer of scutellum is secretory and absorptive in function |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Seed |
56%
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