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DINESH PUBLICATION-FAMILIES OF FLOWERING PLANTS-BRAIN TEASERS -II
- In syngynia the flowers are
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- At times Banana fruit is observed to be double. It is due to
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- Syngyny is
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- Rose has several whorls of petals, stamens and carpels. Its flower is
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- Thymus possesses two types of plants, female flowered and hermaphrodit...
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- Carica papaya is
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- Excessive pruning of male Papaya converts in into
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- Pollination by human efforts was first described by
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- Filaments suddently straighten to throw the pollen grains into air in
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- Throwing of pollen grains by sudden jerking of filaments in Urtica is ...
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- Lever mechanism of throwing pollen grains is found in
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- Bees do not visit pure red flowers because red colour appears
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- All bee pollinated flowers possess
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- Bee vision is based on
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- Nectar guides become 'visible' to bees because they are
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- Sunbirds are major ornithophilous agents in
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- Ornithophilous flowers possess
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- The common bird pollinators in tropical America are
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- Colour of chiropterophilous (bat pollinated) flowers is
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- Dull coloured flowes with fermenting odour are pollinated by
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