Home
Class 12
BIOLOGY
A long day plant with critical day lengt...

A long day plant with critical day length of 14 hrs will flower under which of the following treatments?

A

7 hrs light-2 hrs darkness-3 hrs light-5 hrs darkness-7 hrs light

B

5 hrs light-9 hrs darkness-a hrs light-2 hrs darkness

C

11 hrs darkness-13 hrs light

D

6 hrs light-6 hrs darkness-7 .5 hrs light- 4. 5 hrs darkness

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ORGANISMS AND POPULASTIONS

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|159 Videos

  • PLANT KINGDOM

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTION|252 Videos

Similar Questions

Explore conceptually related problems

A long day plant is

The long-day plant is

Long Day Plants

A long-short day plant is

Sedum is a long day plant. Its critical duration of light is 13 hours. Under which of the following conditions would it flower?

Maryland mammoth tabacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditons will it not flower?

TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Which one does not exhibit seed dormancy ?

    Text Solution

    |

  2. Which of the following plant hormones is correctly matched with its fu...

    Text Solution

    |

  3. A long day plant with critical day length of 14 hrs will flower under ...

    Text Solution

    |

  4. Go through the following matches (i) Auxins - Tryptophan (ii) Et...

    Text Solution

    |

  5. Read the following matches (i) Auxins - Promotes abscission of olde...

    Text Solution

    |

  6. Go through the following matches (i) Cytokinis- Inhibits secondary ...

    Text Solution

    |

  7. Go through the following statements (i) The most widely used compoun...

    Text Solution

    |

  8. Go through the following matches (i) Abcisic acid - Delays senesce...

    Text Solution

    |

  9. Go through the following statements (i) In geometr,ic growth, follow...

    Text Solution

    |

  10. Which one of the following statements is not correct regarding· vivipa...

    Text Solution

    |

  11. Which of the following is a correct statement regarding the plant grow...

    Text Solution

    |

  12. Photoperiodism is associated with the formation of

    Text Solution

    |

  13. The wavelength of light absorbed by Pr form of phytochrome is

    Text Solution

    |

  14. Which one of the following pairs, is not cor- rectly matched ?

    Text Solution

    |

  15. Foolish Seedling disease of rice led to the discovery of

    Text Solution

    |

  16. One of the synthetic auxin is

    Text Solution

    |

  17. Cytokinins which have specific effect in cytokinesis are modified form...

    Text Solution

    |

  18. Photoperiodism was first characterized in

    Text Solution

    |

  19. Coiling of graden pea tendrils around any support is an example of

    Text Solution

    |

  20. Phototropic curvature is result of uneven distribution of

    Text Solution

    |