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Q. No.Various morphological features are used to describe a flowering plant. The plant is described, beginning with the description of its:
1.
habit
2.
roots, stem and leaves
3.
inflorescence
4.
flower parts
Subtopic: Flower & Parts of Flower |
From NCERT
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Subtopic: Flower & Parts of Flower: I |
89%
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Consider the given statements:
| Statement I: | Generally, monocotyledonous seeds are non-endospermic. |
| Statement II: | In the seeds of cereals such as maize, the seed coat is membranous and generally fused with the fruit wall. |
| Statement III: | Monocot seeds consist of one large and shield shaped cotyledon known as scutellum. |
| 1. | Statement I is true; Statement II is true; Statement III is true. |
| 2. | Statement I is false; Statement II is false; Statement III is false. |
| 3. | Statement I is false; Statement II is true; Statement III is true. |
| 4. | Statement I is true; Statement II is false; Statement III is true. |
Subtopic: Seed |
75%
From NCERT
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Study the Assertion statement followed by the Reason statement given below:
| Assertion (A): | In cymose type of inflorescence, the growth of the main axis is limited. |
| Reason (R): | In cymose type of inflorescence, the main axis terminates in a flower. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Inflorescence |
91%
From NCERT
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How many of the floral characters of plants belonging to Family Solanaceae are correctly matched to their description?
1. 1
2. 2
3. 4
4. 5
| I: | Flower | Zygomorphic |
| II: | Calyx | Valvate aestivation |
| III: | Androecium | Epiphyllous |
| IV: | Ovary | Inferior |
| V: | Fruits | Berry or capsule |
1. 1
2. 2
3. 4
4. 5
Subtopic: Families of Flowering Plant |
71%
From NCERT
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Identify the incorrect statement:
I: Carpels are free in lotus and rose.
II: Carpels are fused in mustard and tomato.
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I: Carpels are free in lotus and rose.
II: Carpels are fused in mustard and tomato.
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Flower & Parts of Flower |
59%
From NCERT
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Study the Assertion statement followed by the Reason statement given below:
| Assertion (A): | Parthenocarpy is undesirable in nut crops, such as pistachio. |
| Reason (R): | The seed is the edible part in nut crops. |
| 1. | (A) is False, (R) is False. |
| 2. | Both (A) and (R) are True and (R) is a correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not a correct explanation of (A). |
| 4. | (A) is False, (R) is True. |
Subtopic: Seed |
72%
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In the given figure, the term ‘standard’ will be applicable to the part labelled as:
| 1. | I | 2. | II |
| 3. | III | 4. | IV |
Subtopic: Morphology of Leaf |
92%
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Consider the two statements:
| Statement I: | When a flower has both androecium and gynoecium, it is dioecious. |
| Statement II: | Androecium and gynoecium are accessory organs of a flower. |
| 1. | Only Statement I is correct |
| 2. | Only Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Flower & Parts of Flower |
66%
From NCERT
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What are the features that distinguish a stem from a root?
1. Only I
2. Only II and III
3. Only I and III
4. Only I and II
| Stem | Root | |
| I: | Develops from plumule of germinating seed |
Develops from radicle of germinating seed |
| II: | Bears nodes and internodes |
Bears nodes but not internodes |
| III: | Does not bear buds | Bears buds, which may be terminal or axillary |
2. Only II and III
3. Only I and III
4. Only I and II
Subtopic: Morphology of Roots | Morphology of Stems |
65%
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