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Q. No.Although a root system performs many functions, a fibrous root system may especially be excellent for:
1. storage of food
2. absorbing water from the deeper layers of soil
3. nitrogen fixation
4. providing good anchorage to the plant
Subtopic: Morphology of Roots |
52%
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The type of aestivation seen in the given figure is:
I: called valvate.
II: seen in Cassia and gulmohur.
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: called valvate.
II: seen in Cassia and gulmohur.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Flower & Parts of Flower |
80%
From NCERT
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What structure will be seen both in a monocot seed and in a dicot seed?
1. Scutellum
2. Plumule
3. Coleoptile
4. Aleurone layer
1. Scutellum
2. Plumule
3. Coleoptile
4. Aleurone layer
Subtopic: Seed |
80%
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The diagram shows the drupes of mango and coconut. Select the correct statements:
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | They develop from monocarpellary superior ovaries and are one seeded in both mango and coconut. |
| Statement II: | Mesocarp is fleshy and edible in mango while it is fibrous in coconut. |
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Fruits & their Types |
90%
From NCERT
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The given floral formula describes plants of family:
1. Solanaceae
2. Fabaceae
3. Brassicaceae
4. Liliaceae
1. Solanaceae
2. Fabaceae
3. Brassicaceae
4. Liliaceae
Subtopic: Families of Flowering Plant |
83%
From NCERT
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What is the name given to the swollen leaf base found in some legumes?
1. Pulvinus
2. Lamina
3. Ligule
4. Stipule
1. Pulvinus
2. Lamina
3. Ligule
4. Stipule
Subtopic: Morphology of Leaf |
94%
From NCERT
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Consider the given statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | In majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of primary root which grows inside the soil. |
| II: | It bears lateral roots of several orders that are referred to as secondary, tertiary, etc., roots. |
| III: | The primary roots and its branches constitute the tap root system, as seen in the mustard plant. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Morphology of Roots |
87%
From NCERT
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Petioles help in:
1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
4. I, II and III are incorrect
| I: | holding the leaf blade to light. |
| II: | cooling the leaf. |
| III: | bringing fresh air to leaf surface. |
1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
4. I, II and III are incorrect
Subtopic: Morphology of Leaf |
77%
From NCERT
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Study the given figure and select the correct statements:
| Statement I: | The flower is epigynous |
| Statement II: | Such a flower is seen in rose, plum and peach |
| Statement III: | The position of ovary will be described as superior |
| 1. | Statement I is correct; Statement II is incorrect; Statement III is correct |
| 2. | Statement I is incorrect; Statement II is correct; Statement III is correct |
| 3. | Statement I is correct; Statement II is correct; Statement III is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect; Statement III is correct |
Subtopic: Flower & Parts of Flower: I |
72%
From NCERT
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Identify the correctly matched pairs:
1. Only I
2. I, II and III
3. Only II
4. None, all are incorrectly matched
| Placentation | Feature | |
| I: | Marginal | the ovules develop on the inner wall of the ovary or on peripheral part |
| II: | Axile | the ovules are borne on ridge along the ventral suture forming two rows |
| III: | Basal | the ovules are borne on central axis and septa are absent |
2. I, II and III
3. Only II
4. None, all are incorrectly matched
Subtopic: Flower & Parts of Flower |
81%
From NCERT
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