Home
Class 12
BIOLOGY
The 24 hour (diurnal) rhythm of our body...

The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
Or
Which hormone is secreted more in dark condition

A

Adrenaline

B

melatonin

C

Calcitonin

D

Prolactin

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL COORDINATION AND INTEGRATION

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos
  • CHEMICAL COORDINATION AND INTEGRATION

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-B)|35 Videos
  • CELL:THE UNIT OF LIFE

    AAKASH INSTITUTE|Exercise Try Yourself|26 Videos
  • DIGESTION AND ABSORPTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION-D Assertion - Reason Type Questions )|10 Videos

Similar Questions

Explore conceptually related problems

The 24 hour (diurnal) rhythm of our body like sleep wake cycle is regulated by which hormone?

The hormone which regulates sleep-wake cycle in man is

Which of the following hormones plays a very important role in the regulation of a 24 hour (diurnal) rhythm of our body. It helps in maintaining the normal rhythms of sleep-wake cycle, body temperature. It influences pigmentation, the menstrual cycle as well as our defense capability?

A hormone responsible for normal sleep wake cycle is

A hormone responsible for normal sleep- wake cycle is

AAKASH INSTITUTE-CHEMICAL COORDINATION AND INTEGRATION-ASSIGNMENT (SECTION-C)
  1. Match the source gland with its respective hormone as well as the func...

    Text Solution

    |

  2. Given beow is an incomplete table about certain hormones, their source...

    Text Solution

    |

  3. The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle ...

    Text Solution

    |

  4. Injury to adrenal cortex is not likely to affect the secretion of whic...

    Text Solution

    |

  5. Which one of the following pairs is incorrectly matched ?

    Text Solution

    |

  6. Toxic agents present in food which interfere with thyroxine synthsis l...

    Text Solution

    |

  7. Select the correct matching pair of a hormone alongwith its source and...

    Text Solution

    |

  8. The letter "T" in T-lymphocyte refers to

    Text Solution

    |

  9. A health disorder that results from the deficiency of thyroxine in adu...

    Text Solution

    |

  10. Which of the following is an amine hormone ?

    Text Solution

    |

  11. The blood calcium level is lowered by the deficiency of

    Text Solution

    |

  12. Which one of the following pairs of organs includes only the endocrine...

    Text Solution

    |

  13. Compared to a bull a bullock is docile because of

    Text Solution

    |

  14. Feeling the tremors of an earthquake a scared resident of seventh floo...

    Text Solution

    |

  15. A person is having problems with calcium and phosphorus metabolism in ...

    Text Solution

    |

  16. A steriod hormone which regulates glucose metabolism is ...

    Text Solution

    |

  17. Which one of the following is not a second messenger in hormone action

    Text Solution

    |

  18. Which of the following is an accumulation and release centre of neuroh...

    Text Solution

    |

  19. Which hormone causes dilation of blood vessels, increased oxygen consu...

    Text Solution

    |

  20. Damage to thymus in a child may lead to

    Text Solution

    |