The normal type of embryo sac is 8-nucleated and

(1) 8-celled

(2) 7-celled

(3) 6-celled

(4) 5-celled

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

(1) generative cell

(2) nucellar embryo

(3) aleurone cell

(4) synergids

Subtopic:  Pistil: Female Gametophyte |
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Formation of embryo sac from a single megaspore nuclei is termed as

1. Bishopric development

2. Monosporic development

3. Tetrasporic development

4. Polysporic development

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: Microsporangium | Pistil: Female Gametophyte |
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Which among the following is not a feature of pistil?

(1) Monocarpellary

(2) Syncarpous

(3) Monosporic

(4) Apocarpous

Subtopic:  Pistil: Female Gametophyte |
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In Polygonum type of embryo sac, polar nuclei

1. Are haploid

2. Can serve as a precursor of PEN

3. Occur in the large central cell

4. More than one option is correct

Subtopic:  Pistil: Female Gametophyte |
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Choose the correct match with respect to angiosperm

1. Microsporanigum - ovule; Megasporangium - female gametophyte

2. Megasporangium - ovule; Embryo sac - female gametophyte

3. Megasporangium - female gametophyte; Embryo sac - ovule

4. Nucellus - male gametophyte; Megasporangium - ovule

Subtopic:  Pistil: Ovule | Pistil: Female Gametophyte |
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Which one of the following statements is not true?

1. Filiform apparatus present at the chalazal end of the synergies guides the entry of pollen tube

2. Pollen - pistil interaction is a dynamic process involving pollen recognition followed by promotion or inhibition of the pollen 

3. Majority of insect-pollinated flowers are large, colourful, fragrant and rich in nectar

4. Apomixis is a form of asexual reproduction that mimics sexual reproduction

Subtopic:  Pistil: Female Gametophyte |
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Match the following:

1

Male gametophyte

I

Embryo sac

2    

Female gametophyte   

II

Ovule

3

Megasporangium

III   

Pollen grains

4

Microsporangium

 

IV

Pollen sacs

(1) 1-III ; 2-I ; 3-II ; 4-IV

(2) 1-I ; 2-II ; 3-III ; 4-IV

(3) 1-IV ; 2-III ; 3-II ; 4-I

(4) 1-III ; 2-II ; 3-I ; 4-IV

Subtopic:  Stamen: Microsporangium | Stamen: Male Gametophyte | Pistil: Female Gametophyte |
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Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?

1. Ovules develop into an embryo sac

2. Ovary develops into fruit

3. Zygote develops into an embryo

4. Central cell develops into endosperm

Subtopic:  Pistil: Female Gametophyte |
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