Home
Class 11
BIOLOGY
What is the action spectrum of photo per...

What is the action spectrum of photo peridism

A

430 and 660 nm

B

640 and 660 nm

C

660 and 730 nm

D

700 and 900 nm

Text Solution

Verified by Experts

The correct Answer is:
c

(c ) Because two types of phytochrome is present in plants i.e., `P_(660)` and `P_(730)`.
Promotional Banner

Topper's Solved these Questions

  • PHOTOSYNTHESIS IN HIGHER PLANTS

    ERRORLESS |Exercise Photosynthesis In Higher Plants|339 Videos
  • PLANT KINGDOM

    ERRORLESS |Exercise Plant Kingdom|553 Videos

Similar Questions

Explore conceptually related problems

What is the action spectrum of transpiration ?

What is reflex action ?

Who described the first action spectrum of photosynthesis?

T.W. Engelmann prepared the first action spectrum of photosynthesis by jsing

Who used prism, green alga Cladophora and aerobic bacteria and plotted the first action spectrum of photosynthesis?

Who described the first action spectrum of photosynthesis by using an alga Cladophora, a prism and aerobic bacteria in an experiment?

What is reflex action?

ERRORLESS -PLANT GROWTH AND DEVELOPMENT-Plant Growth And Development
  1. With respect to photoperiodism, these are long day plant

    Text Solution

    |

  2. Which of the folloewing is a long day plant

    Text Solution

    |

  3. What is the action spectrum of photo peridism

    Text Solution

    |

  4. Protienaceous pigment which is the centre of the activities concerned ...

    Text Solution

    |

  5. A few normal seedlingd of tomato were kept in a dark room. After a few...

    Text Solution

    |

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

    Text Solution

    |

  7. Phytochrome is sensitive to

    Text Solution

    |

  8. Chrysanthemum flowers either in winter season or in evening because it...

    Text Solution

    |

  9. Phytochrome is

    Text Solution

    |

  10. Plants which disgraded the requirement of a definite day length for th...

    Text Solution

    |

  11. The photoperiod in plants is perceived at

    Text Solution

    |

  12. The affect of apical dominance can be overcome by which of the followi...

    Text Solution

    |

  13. Match the following {:(,A.,I"AA",i.,"Herring sperm DNA"),(,B.,ABA,ii...

    Text Solution

    |

  14. Apples are generally wrapped in waxed paper to

    Text Solution

    |

  15. Growth can be measured in various ways. Which of these can be used as ...

    Text Solution

    |

  16. The term synergistic action of harmones refers to

    Text Solution

    |

  17. Plasticity in plant growth means that

    Text Solution

    |

  18. To increase sugar production in sugarcane, they are sprayed with

    Text Solution

    |

  19. Monocarpic plants are those which

    Text Solution

    |

  20. During cell enlargement phase of growth, molecules of new cell wall ma...

    Text Solution

    |