Filiform apparatus is a characteristic feature of?
1. Generative cell
2. nucellar embryo
3. aleurone cell
4. synergids
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn angiosperms, microsporogenesis and megasporogenesis?
1. Occur in anther
2. Form gametes without further divisions
3. Involve meiosis
4. Occur in ovule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCoconut water from a tender coconut is?
1. Immature embryo
2. Free nuclear endosperm
3. Innermost layers of the seed coat
4. Degenerated nucellus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following fruits is parthenocarpic?
1. Brinjal
2. Apple
3. Jackfruit
4. Banana
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMale gametophyte in angiosperms produces?
1. Two sperms and a vegetative cell
2. Single sperm and a vegetative cell
3. Single sperm and two vegetative cells
4. Three sperms
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following may require pollinators, but is genetically similar to autogamy?
1. | Geitonogamy | 2. | Xenogamy |
3. | Apogamy | 4. | Cleistogamy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is not true?
1. | Pollen grains are rich in nutrients and they are used in the form of tablets and syrups |
2. | Pollen grains of some plants cause severe allergies and bronchial afflictions in some people |
3. | The flowers pollinated by flies and beetles secrete foul odour to attract them |
4. | Honey is made by bees by digesting pollen collected from flowers |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTransmission tissue is a characteristic feature of:
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following are the important floral rewards to animal pollinators?
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGeitonogamy involves:
1. | Pollination of a flower by the pollen from another flower of the same plant. |
2. | Pollination of a flower by the pollen from another same flower. |
3. | Pollination of a flower by the pollen from a flower of another plant in the same population. |
4. | Pollination of a flower by the pollen from a flower of another plant belonging to a distant population. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology