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In chasmogamy, the sex organs come in c...

In chasmogamy, the sex organs come in contact with each other by growth/bending/folding but flowers are always

A

open

B

close

C

fragrant

D

bright coloured

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The correct Answer is:
A
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. Night blooming flowers are generally

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  2. In Rafflesia, pollination is brought about by

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  3. In chasmogamy, the sex organs come in contact with each other by grow...

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

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  5. Pollination in Lotus is carried out by

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

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  7. In Cannabis, pollination is carried out by 1. insects 2. wind 3. bi...

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  8. Insect pollinated (entomophilous) flowers are characterised by

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

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  10. Anemophily type of pollination is found in :

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

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

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

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  14. External water is not required for fertilization of 1. Cryptogams 2....

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  15. In angiosperms, triple fusion produces

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  16. In angiosperm, syngamy or true fertilization refers to

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  17. Movement of pollen tube towards embryo sac is

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  18. Germination of pollen grain on the stigma is

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  19. At the time of entering embryo sac the pollen tube contains

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  20. Doubles fertilization is fusion of

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