Home
Class 11
BIOLOGY
Define circadiain rhythm....

Define circadiain rhythm.

Text Solution

Verified by Experts

Circadian rhythm is the 24 hour cycle of biological activities associated with natural periods of light and darkness. Example sleep wake cycle, body temperature, appetite etc.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL CO-ORDINATION AND INTEGRATION

    PREMIERS PUBLISHERS|Exercise SOLUTION TO TEXTUAL QUESTIONS|2 Videos
  • CHEMICAL CO-ORDINATION AND INTEGRATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (Choose the correct answer.)|40 Videos
  • CELL: THE UNIT OF LIFE

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (Answer in detail)|6 Videos
  • EXCRETION

    PREMIERS PUBLISHERS|Exercise CASE STUDY|5 Videos

Similar Questions

Explore conceptually related problems

The pineal gland secretes.............. which plays a central role in the regulation of circadian rhythm of our body

Define a radian.

Define radicle.

Define watt.

Define histamine.

Define LAB.

PREMIERS PUBLISHERS-CHEMICAL CO-ORDINATION AND INTEGRATION-OTHER IMPORTANT QUESTIONS & ANSWERS (ANSWER THE FOLLOWING QUESTIONS)
  1. What are the two amino acids in a sequence which makes such a differen...

    Text Solution

    |

  2. How light has its effect over the production of melatonin?

    Text Solution

    |

  3. Define circadiain rhythm.

    Text Solution

    |

  4. Name the two hormones of thyroid gland ?

    Text Solution

    |

  5. List the functions of Thyroxine

    Text Solution

    |

  6. Write the functions of thyrocalcitonin.

    Text Solution

    |

  7. What are the two types of cells in parathyroid gland ? What are its fu...

    Text Solution

    |

  8. Write about the requirement of iodine in the formation of thyroxine ho...

    Text Solution

    |

  9. Which hormone is called "hypercalcemic hormone"? Why?

    Text Solution

    |

  10. List the four hormones secreted by thymus gland.

    Text Solution

    |

  11. What is the primary function of thymus? How much it is important to ...

    Text Solution

    |

  12. Write the three zones of adrenal cortex of adrenal gland.

    Text Solution

    |

  13. Which part of the pancreas is endocrone is endocrine in nature? What a...

    Text Solution

    |

  14. What are the tunctions ot glucocorticoids?

    Text Solution

    |

  15. What are the functions of mineralocorticoids?

    Text Solution

    |

  16. Why insulin is called hypoglycemic hormone ?

    Text Solution

    |

  17. What is the injection administered to diabeteic patients? Why is it gi...

    Text Solution

    |

  18. Define the following terms. (i) Glygogenolysis. (ii) Gluconeogenes...

    Text Solution

    |

  19. List out the functions of testosterone.

    Text Solution

    |

  20. What are the function of the female hormones such as oestrogen and pro...

    Text Solution

    |