Home
Class 7
BIOLOGY
During strenuous exercises, lactic acid ...

During strenuous exercises, lactic acid is produced in our muscles because

A

`O_2` supply ` lt O_2` demand

B

`O_2` supply ` gt O_2` demand

C

`O_2` supply is in accordance with `O_2` demand

D

`O_2` supply is completely restricted in muscles

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • RESPIRATION AND EXCRETION

    BETOPPERS|Exercise SUMMATIVE WORKSHEET ( MULTIPLE CHOICE QUESTIONS)|10 Videos

  • RESPIRATION AND EXCRETION

    BETOPPERS|Exercise SUMMATIVE WORKSHEET ( FILL IN THE BLANKS)|14 Videos

  • RESPIRATION AND EXCRETION

    BETOPPERS|Exercise SUMMATIVE WORKSHEET ( ANSWER THE FOLLOWING QUESTIONS)|16 Videos

  • ORGANISATION IN THE LIVING THINGS

    BETOPPERS|Exercise Summative Worksheet (VIII. The organs of various systems are listed in the first column of the chart. Put a tick in any of the other columns if the organ belongs to any of the systems.)|1 Videos

  • TISSUES

    BETOPPERS|Exercise SUMMATIVE WORKSHEET(VIII)|4 Videos
BETOPPERS-RESPIRATION AND EXCRETION-CONCEPTIVE WORKSHEET
  1. Anaerobes are organisms which respire through anaerobic respiration. W...

    Text Solution

    |

  2. Yeast is used in the commercial production of i and ii The information...

    Text Solution

    |

  3. During strenuous exercises, lactic acid is produced in our muscles bec...

    Text Solution

    |

  4. Ayush set up the given experiment to study production of alcohol by ye...

    Text Solution

    |

  5. Which process uses carbon dioxide and produces oxygen as a waste produ...

    Text Solution

    |

  6. In plants, gaseous exchange occurs through

    Text Solution

    |

  7. Which of the following activities is a significant function of the nas...

    Text Solution

    |

  8. Which of the following events does not take place during inhalation?

    Text Solution

    |

  9. Which illustration represents the process of inhalation?

    Text Solution

    |

  10. In the given picture there is a lime water in A and B test tubes. A bo...

    Text Solution

    |

  11. The given illustration represents the human excretory system. In...

    Text Solution

    |

  12. Body cells produce a large number of waste products that enter the blo...

    Text Solution

    |

  13. Which of the following functions is not performed by kidneys?

    Text Solution

    |

  14. Human excretory system is made up of kidneys, ureters, urinary bladder...

    Text Solution

    |

  15. The kidneys are present in most vertebrate animals. The kidneys are im...

    Text Solution

    |

  16. Dialysis is the artificial process of regulation of fluids and mineral...

    Text Solution

    |

  17. The lungs end in alveoli, which are sac-like structures. The alveoli s...

    Text Solution

    |

  18. Excretory organs help the body in getting rid of waste products: Which...

    Text Solution

    |

  19. Human excretory system is made up of kidneys, ureters, urinary bladder...

    Text Solution

    |

  20. The kidneys filter waste products present in the blood and excrete the...

    Text Solution

    |