Which of the following statements is not correct?
(1) Insects that consume pollen or nectar without bringing about pollination are called pollen nectar robbers
(2) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil
(3) Some reptiles have also been reported as pollinators in some plant species
(4) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySeed formation without fertilisation in flowering plants involves the process of
(1) budding
(2) somatic hybridization
(3) apomixis
(4) sporulation
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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 & 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 & Biology