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 & BiologyEmbryo sac is
(1) megaspore
(2) microgametophyte
(3) female gametophyte
(4) megasporangium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pollination of two flowers on different plants is known as
(1) xenogamy
(2) geitonogamy
(3) cleistogamy
(4) dichogamy
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn some seeds, reminants of nucellus are also presistent. This residual, persistent nucellus is the
(1) pericarp
(2) perisperm
(3) chalazosperm
(4) mesosperm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich among the following is attached to the proximal end of filament?
(1) Stamen
(2) Anther
(3) Petal
(4) Pollen sac
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is the number of microsporangia in each lobe of an angiosperm anther?
(1) Four
(2) Two
(3) Eight
(4) One
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich among the following extend longitudinally to become pollen sac?
(1) Microsporangia
(2) Filament of anther
(3) Tapetum
(4) Endothecium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich among the following is not a feature of anther?
(1) Bilobed
(2) Dithecous
(3) Apocarpous
(4) Tetragonal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich among the following is not a wall layer of microsporangium?
(1) Endothecium
(2) Nucellus
(3) Tapetum
(4) Middle layers
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll of the following statements are correct except:
(1) The proximal end of the filament is attached to the thalamus or the petal of the flower.
(2) The anther is a four-sided structure consisting of four microsporangia, two in each lobe.
(3) The number and length of stamens are variable in flowers of different species.
(4) In a longitudinal section, a typical microsporangium appears near circular in outline.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology