Home
Class 12
BIOLOGY
Some flowers open during the day time an...

Some flowers open during the day time and close at night this is called:

A

Phototaxy

B

Photoropism

C

Photoperiodism

D

Photonasty

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PHOTOSYNTHESIS

    MBD PUBLICATION|Exercise QUESTION BANK|145 Videos
  • PLANT KINGDOM

    MBD PUBLICATION|Exercise Question Bank|94 Videos

Similar Questions

Explore conceptually related problems

The stomata which remain closed during day-time and open at night is called____ .

Stomata open at night in:

During day time plants absorb:

Stomata open at night in :

When male and female flowers borne on separate plants, the condition is called

Correct the statements if required, by changing the underlined protions only Purple flowers from a cross between red and white flowered plants is called paternal dominance.

Some flowers possess pleasant odour and attractive colours for :

Which of the following plant keeps its stomata open during night and closed during the day:

The non protein part closely associated with the enzyme is called_____.

MBD PUBLICATION-PLANT GROWTH AND DEVELOPMENT-QUESTION BANK
  1. In sleeping movement in some plants is known as:

    Text Solution

    |

  2. The movement in touch-me-not plant induced by touch is:

    Text Solution

    |

  3. Some flowers open during the day time and close at night this is calle...

    Text Solution

    |

  4. Which of the following plant movements is not related to changes in au...

    Text Solution

    |

  5. Phototropic and geotropic movements are linked to:

    Text Solution

    |

  6. Name the organ that exhibits positive geotropism:

    Text Solution

    |

  7. Response of a plant towards a stimulus results:

    Text Solution

    |

  8. Bending of shoots towards light is due to:

    Text Solution

    |

  9. Opening of a flower and drooping of a bud are examples of:

    Text Solution

    |

  10. The movement in touch-me-not plant induced by touch is:

    Text Solution

    |

  11. Viviparous germination Is found in:

    Text Solution

    |

  12. Germination in which cotyledon and endosperm do not come out of the so...

    Text Solution

    |

  13. Treatment of seed at low temperature under moist conditions to break i...

    Text Solution

    |

  14. In the seed rate of respiration is:

    Text Solution

    |

  15. In which type of germination hypocotyl does not elongate but the plumu...

    Text Solution

    |

  16. Which is not a germination inhibitor

    Text Solution

    |

  17. The method applied to break the dormancy of seeds due to hard seed coa...

    Text Solution

    |

  18. Dormancy in positive photoblastic seeds can be broken by exposing them...

    Text Solution

    |

  19. To make stored food available for germination, with which hormone see...

    Text Solution

    |

  20. The light interruption of the dark period in the long day plant,

    Text Solution

    |