Q. No.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 & BiologyFunction of filiform apparatus is to:
| 1. | Recognize the suitable pollen at the stigma |
| 2. | Stimulate division of generative cell |
| 3. | Producer nectar |
| 4. | Guide the entry of the pollen tube |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Mitotic division
2. Formation of a thick wall
3. Differentiation
4. Meiotic division
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe gynoecium consists of many free pistils in flowers of:
1. Aloe
2. Tomato
3. Papaver
4. Michelia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. egg
2. synergid
3. zygote
4. suspensor
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn angiosperms, functional megaspore develops into:
1. Pollen sac
2. Embryo sac
3. Ovule
4. Endosperm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Megaspore mother cell and antipodal cells
2. Egg cell and antipodal cells
3. Nucellus and antipodal cells
4. Egg nucleus and secondary nucleus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | it helps in the entry of pollen tube into the synergid |
| 2. | it prevents the entry of more than one pollen tube into the embryo sac |
| 3. | it brings about the opening of the pollen tube |
| 4. | it guides the pollen tube from the synergid to the egg |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is surrounded by a callose wall?
1. Microspore mother cell
2. Male gamete
3. Egg
4. Pollen grain
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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