The following is the diagram of T.S. of anther. Identify the parts labelled A, B and C.
(1) A - Connective tissue, B - Pollen grains, C - Endothecium
(2) A - Endothecium, B -Connective tissue, C - Pollen grains
(3) A - Pollen grains, B - Connective tissue, C - Endothecium
(4) A - Endothecium, B - Pollen grains, C - Connective tissue
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the option that contains all plants which produce non-endospermic seeds.
(1) Gram, Pea, Bean, Groundnut
(2) Castor, Peanut, Orchid, Wheat
(3) Coconut, Walnut, Wheat, Gram
(4) Castor, Maize, Coconu, Orchid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPollination in Rafflesia is occurred by
a. carrion flies
b. elephant
c. bat
d. crow
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCensar mechanism of seed dispersal is found in
(1) Papaveraceae
(2) Liliaceae
(3) Leguminosae
(4) Rosaceae
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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 & Biology