Filiform apparatus is a characteristic feature of

1. Generative cell

2. nucellar embryo

3. aleurone cell

4. synergids

Subtopic:  Pistil: Female Gametophyte |
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In angiosperms, microsporogenesis and megasporogenesis

1. Occur in anther

2. Form gametes without further divisions

3. Involve meiosis

4. Occur in ovule

Subtopic:  Stamen: Male Gametophyte | Pistil: Female Gametophyte |
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Function 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

Subtopic:  Pistil: Female Gametophyte |
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The gynoecium consists of many free pistils in flowers of

1. Aloe

2. Tomato

3. Papaver

4. Michelia

Subtopic:  Pistil: Female Gametophyte |
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Filiform apparatus is a characteristic feature of :

1.  egg

2.  synergid

3.  zygote

4.  suspensor

Subtopic:  Pistil: Female Gametophyte |
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In angiosperms, functional megaspore develops
into :
1. Pollen sac
2. Embryo sac
3. Ovule
4. Endosperm

Subtopic:  Pistil: Female Gametophyte |
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Which one of the following pairs of plant structures has haploid number of chromosomes?

1.  Megaspore mother cell and antipodal cells

2.  Egg cell and antipodal cells

3.  Nucellus and antipodal cells

4.  Egg nucleus and secondary nucleus

Subtopic:  Pistil: Female Gametophyte |
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What does the filiform apparatus do at the entrance into ovule?
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

Subtopic:  Pistil: Female Gametophyte |
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Which one of the following is surrounded by a callose wall?

1. Microspore mother cell

2. Male gemete

3. Egg

4. Pollen grain

Subtopic:  Pistil: Female Gametophyte |
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What 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

Subtopic:  Pistil: Female Gametophyte |
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