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Q. No.Which of the following angiosperms has an actinomorphic flower?
1. Pea
2. Cassia
3. Canna
4. Mustard
Subtopic: Flower & Parts of Flower |
88%
From NCERT
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It is not necessary that the length of filaments of anthers within a flower is nearly equal and sometimes variations
can be seen as in:
1. Mustard and Pea
2. Salvia and Mustard
3. China rose and Lily
4. Guava and Rose
can be seen as in:
1. Mustard and Pea
2. Salvia and Mustard
3. China rose and Lily
4. Guava and Rose
Subtopic: Flower & Parts of Flower |
89%
From NCERT
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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 |
89%
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 |
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 |
77%
From NCERT
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Consider the two statements:
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
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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