- 1(current)
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 apparutus is to :
1. Recognize the suitable pollen at stigma
2. Stimulate division of genrative cell
3. Producer nectar
4. Guide the entry of pollen tube
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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 opening of the pollen tube |
| 4. | it guides 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 gemete
3. Egg
4. Pollen grain
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids ?
1. 16
2. 24
3. 32
4. 8
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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