Home
Class 11
BIOLOGY
During muscle contraction in humans, the...

During muscle contraction in humans, the

A

Action filaments shorten

B

Sarcomere does not shorten

C

A band remain same

D

A, H and I bands shorten

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FLOW CHARTS

    SARAS PUBLICATION|Exercise EXAMPLE|12 Videos
  • KINGDOM ANIMALIA

    SARAS PUBLICATION|Exercise EXERCISE|86 Videos

Similar Questions

Explore conceptually related problems

What is muscle contraction and what are the types of muscle contraction?

Which of the following statements about the mechanism of muscle contraction are correct ? (i) Acetylcholine is released when the neural signal reaches the motor end plate. (ii)Muscle contraction is initiated by a signal sent by CNS via sensory neuron. (iii) During muscle contraction, isotropic band gets elongated (iv) Repeated activation of the muscles can lead to lactic acid accumulation.

Chemical ions responsible for muscle contraction are

ATPase enzyme needed for muscle contraction is located in

Assertion: Mechanism of muscle contraction is expalained by sliding-filaments theory. Reason: Contraction of muscle fibre takes place by the sliding of thick filaments over the thin filaments.

Which one of the following options shows the next stage of muscle contraction after the stage given in question ?

SARAS PUBLICATION-HUMAN PHYSIOLOGY-EXAMPLE
  1. The figure shows a human blood cell. Identify it and give its characte...

    Text Solution

    |

  2. Select the correct statement with respect to disorders of muscles in h...

    Text Solution

    |

  3. During muscle contraction in humans, the

    Text Solution

    |

  4. A sagittal section of human brain is shown here. Identify at least two...

    Text Solution

    |

  5. The figure shown an axon terminal and synapse. Select the option givin...

    Text Solution

    |

  6. Which of the following represents the action of insulin?

    Text Solution

    |

  7. Norepinephrine: (a) Is released by sympathetic fibres (b) Is released ...

    Text Solution

    |

  8. Down’s syndrome in human is due to

    Text Solution

    |

  9. Identify the site where Wuchereria bancrofti is normally found on huma...

    Text Solution

    |

  10. Which one of the following not correct as regards the harmful effects...

    Text Solution

    |

  11. Which one of the following growth regulators is known as ‘stress hormo...

    Text Solution

    |

  12. Choose the correctly matched pair.

    Text Solution

    |

  13. Approximately 70 % of carbon dioxide absorbed by the blood will be tra...

    Text Solution

    |

  14. Person with blood group AB is considered as universal recipient becaus...

    Text Solution

    |

  15. How do parasympathetic neural signals affect the working of the heart?

    Text Solution

    |

  16. Which of the following causes an increase in sodium reabsorption in th...

    Text Solution

    |

  17. Select the correct matching of the type of the joint with the example ...

    Text Solution

    |

  18. Stimulation of a muscle fiber by a motor neuron occurs at:

    Text Solution

    |

  19. Injury localized to the hypothalamus would most likely disrupt

    Text Solution

    |

  20. Which one of the following statements is not correct?

    Text Solution

    |