Statement I: | A is the Chalazal end. |
Statement II: | B is the microspore mother cell, C is the microspore dyad and D is the microspore tetrad. |
1. | Statement I is correct, Statement II is correct |
2. | Statement I is incorrect, Statement II is correct |
3. | Statement I is correct, Statement II is incorrect |
4. | Statement I is incorrect, Statement II is incorrect |
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Statement I: | It shows the two, four, and eighth nucleate stages of the embryo sac. |
Statement II: | The divisions are mitotic and free nuclear. |
1. | Statement I is correct, Statement II is correct |
2. | Statement I is incorrect, Statement II is correct |
3. | Statement I is correct, Statement II is incorrect |
4. | Statement I is incorrect, Statement II is incorrect |
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Statement I: | It represents mature embryosac or the female gametophyte in an angiosperm. |
Statement II: | A is the micropylar end and B is the Chalazal end |
Statement III: | C guides the entry of the pollen tube into the embryo sac. |
Statement IV: | D is the polar nuclei and E is the central cell. |
Statement V: | F is the egg cell. |
Statement VI: | G is the antipodals and H is special cellular thickenings. |
1. | Statement I, Statement IV, and Statement VI |
2. | Statement II, Statement III, Statement IV and Statement VI |
3. | Statement I, Statement IV, and Statement V |
4. | All Statements are correct |
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Statement I: | Cleistogamous flowers have an advantage and a disadvantage over chasmogamous flowers. |
Statement II: | Seed set is assured even in the absence of pollinators but the amount of genetic variations is less in cleistogamous flowers when compared to the chasmogamous flowers. |
1. | Statement I is correct; Statement II is correct but Statement II does not explain Statement I. |
2. | Statement I is correct; Statement II is correct and Statement II explains Statement I. |
3. | Statement I is correct but Statement II is not correct. |
4. | Both Statement I and Statement II are not correct. |
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1. | Water | 2. | Wind |
3. | Bees | 4. | Bats |
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A | B | C | D | |
1. | Synergid | Polar nuclei | Male gamete | Antipodal |
2. | Synergid | PEN | Male gamete | Antipodal |
3. | Antipodal | Polar nuclei | Egg cell | Synergid |
4. | Antipodal | PEN | Egg cell | Synergid |
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Statement I: | I shows the entry of the pollen tube into a synergid under the guidance of A. |
Statement II: | II shows the discharge of male gametes into a synergid. |
1. | Statement I is correct, Statement II is correct |
2. | Statement I is incorrect, Statement II is correct |
3. | Statement I is correct, Statement II is incorrect |
4. | Statement I is incorrect, Statement II is incorrect |
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Statement I: | A is diploid and B is triploid |
Statement II: | C are degenerating antipodal cells and D are degenerating synergids |
1. | Statement I is correct, Statement II is correct |
2. | Statement I is incorrect, Statement II is correct |
3. | Statement I is correct, Statement II is incorrect |
4. | Statement I is incorrect, Statement II is incorrect |
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1. | Globular embryo, Heart shaped embryo, Immature Embryo |
2. | Globular embryo, Heart shaped embryo, Mature Embryo |
3. | Heart-shaped embryo, Globular embryo, Mature Embryo |
4. | Heart-shaped embryo, Globular embryo, Immature Embryo |
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