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Q. No.The given floral formula describes plants of family:
1. Solanaceae
2. Fabaceae
3. Brassicaceae
4. Liliaceae
Subtopic: Families of Flowering Plant |
84%
From NCERT
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With respect to dicots, the primary root is formed by:
1. elongation of epicotyl
2. direct elongation of plumule
3. direct elongation of radicle
4. parts other than radical
1. elongation of epicotyl
2. direct elongation of plumule
3. direct elongation of radicle
4. parts other than radical
Subtopic: Morphology of Roots |
90%
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 |
88%
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 |
76%
From NCERT
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Consider the two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation. |
| Statement II: | The arrangement of ovules inside the ovary in an angiosperm is called as placentation. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Flower & Parts of Flower |
90%
From NCERT
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Study the given figure and select the correct statements:
Statement I: A is the region of maturation.
Statement II: B is distal to C.
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Statement I: A is the region of maturation.
Statement II: B is distal to C.
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Morphology of Roots |
68%
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 |
73%
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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How many of the given statements are correct?
1. 1
2. 2
3. 3
4. 4
| I: | Epipetalous stamens are found in brinjal. |
| II: | Epiphyllous stamens are found in lily. |
| III: | Carpels are apocarpous in mustard and tomato. |
| IV: | Carpels are syncarpous in lotus and rose. |
1. 1
2. 2
3. 3
4. 4
Subtopic: Flower & Parts of Flower |
75%
From NCERT
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