The normal type of embryo sac is 8-nucleated and
(1) 8-celled
(2) 7-celled
(3) 6-celled
(4) 5-celled
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFiliform apparatus is 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 & BiologyFormation of embryo sac from a single megaspore nuclei is termed as
1. Bishopric development
2. Monosporic development
3. Tetrasporic development
4. Polysporic development
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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 & BiologyWhich among the following is not a feature of pistil?
(1) Monocarpellary
(2) Syncarpous
(3) Monosporic
(4) Apocarpous
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology