Filiform 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 & BiologyWhich of the following are the important floral rewards to the animal pollinators?
(1) Colour and large size of flower
(2) Nectar and pollen grains
(3) Floral fragrance and calcium crystals
(4) Protein pellicle and stigmatic exudates
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPlacenta and pericarp are both edible portions in
(1) apple
(2) banana
(3) tomato
(4) potato
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGeitonogamy involves
(1) Pollination of a flower by the pollen from another flower of the same plant
(2) Pollination of a flower by the pollen from the same flower
(3) Pollination of a flower by the pollen from a flower of another plant in the same population
(4) Pollination of a flower by the pollen from a flower of another plant belonging to a distant population
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPollen tablets are available in the market for
(1) In vitro fertilisation
(2) breeding programmes
(3) supplementing food
(4) Ex situ conservation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFunction of filiform apparatus is to
(1) recognise the suitable pollen at stigma
(2) stimulate division of generative cell
(3) produce nectar
(4) guide the entry of pollen tube
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNon-albuminous seed is produced in
(1) maize
(2) castor
(3) wheat
(4) pea
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statement is correct?
(1) Hard outer layer of pollen is called intine
(2) Sporogenous tissue is haploid
(3) Endothecium produces the microspores
(4) Tapetum nourishes the developing pollen
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
(1) cuticle
(2) sporopollenin
(3) lignin
(4) cellulose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEven in absence of pollinating agents seed-setting is assured in
(1) Commellina
(2) Zostera
(3) Salvia
(4) fig
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology