Which one of the most common embryo sac in flowering plant?
(1) Monosporic, 8 nucleated and 7 celled
(2) Monosporic, 7 celled and 7 nucleated
(3) Bisporic, 8 nucleated and 7 celled
(4) Bisporic, 7 celled and 8 nucleated
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a fern plant is developed from its prothallus without fertilisation? This pehnomenon is an example of
(1) parthenocarpy
(2) apogamy
(3) apospory
(4) organogenesis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a stock has 2n = 48 and scion microspore mother cell has 2n = 24; then root cell and the microspores will have .... chromosomes respectively.
(1) 12, 48
(2) 48, 12
(3) 24, 12
(4) 24, 96
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA fertilized egg of a plant has 40 chromosomes. The number of chromosomes present in the microspore mother cell is
(1) 20
(2) 40
(3) 60
(4) 80
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFeathery stigma belongs to
(1) wheat
(2) pea
(3) Datura
(4) Caesalpinia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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 & Biology