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In ornithophilous plants...

In ornithophilous plants

A

nectar is not secreted

B

nectar is secreted in abundance

C

flowers are dull-coloured

D

flowers are inconspicuous

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The correct Answer is:
B
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. The presence of inserted stamens is a character of

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  2. Sepals and petals are indistinguishable or absent in case of

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  3. In ornithophilous plants

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  4. Callistemon undergoes

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  5. The plants with flowers having strong odour abundant nectar and polle...

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  6. Night blooming flowers are generally

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  7. In Rafflesia, pollination is brought about by

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  8. In chamsogamy, thesex organs come in contact with each other by growt...

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  9. A close mutualistic association between flower and pollinating agent i...

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  10. Pollination in Lotus is carried out by

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  11. Brightly coloured , odourless, pendent flowers (e.g., Bignoia /Pyroste...

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  12. In Cannabis, pollination is carried out by

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  13. Insect pollinated (entomophilous) flowers are characterised by

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  14. Hair present on the cob of corn are Or Long filamentous threads pr...

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  15. Anemophily type of pollination is found in :

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  16. Upon fertilization, while ovule develops into seed, what structure dev...

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  17. The process whereby the male gametes are brought to the egg by a poll...

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  18. The pollen tubes grow through the solid style by separating their ce...

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  19. External water is not required for fertilization of

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  20. In angiosperms, triple fusion produces

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