Home
Class 12
BIOLOGY
Assertion : In joint diastole, all the f...

Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state.
Reason `:` The tricuspid and bicuspid valves are open and semilunar valves are closed at this stage.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false.

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    MOTION|Exercise Exercise -3 AIPMT & NEET Previous Year Questions|33 Videos

  • BIOTECHNOLOGY: AND ITS APPLICATIONS

    MOTION|Exercise CHECK YOUR CONCEPTS-5|1 Videos

  • BREATHING AND EXCHANGE OF GASES

    MOTION|Exercise Exercise 4|21 Videos

Similar Questions

Explore conceptually related problems

All the four chambers of heart are in a relaxed state during

Which of the following events do not occur during joint diastole ? I. All 4 chambers of heart are in relaxed state II. Tricuspid and bicuspid valves open III. Action potential is conducted from SAN to AVN IV. Blood from the pulmonary veins and venae cavae flows into the left and right ventricles respectively through the left and right atria V. The semilunar valves are closed

Which of the following statement is CORRECT ? I. Heart, the mesodermally derived organ, is situated in the thoracic cavity, in between the two lungs , slightly tilted to the left. II. During joint diastole , tricuspid and bicuspid valves are open and the semilunar values are closed. III. The first heart sound (lub) is associated with the closure of the tricuspid and biscuspid valves whereas the second heart sound (dub) is associated with the closure of the semilunar valves . IV. Neural signals through the sympathetic nerves can increases the rate of hearbeat, the strength of ventricular contraction and thereby the cardiac output.

Semilunar valves of heart open during

Which is correct about joint diastole? a. Bicuspid and tricuspid valves are open b. Bicuspid and tricuspid valves are closed c. Semilunar valves are open d. Semilunar valves are closed

Which of the following events do not occur during joint diastole ? (A) All four chamber of heart are in relaxed state (B) Atrial repolarization valve open (C ) Action potential is conducted from SAN to AVN (D) Blood from the pulmonary veins and vena cava flows into the left and right ventricles respectively through the left and right atria (E ) The semilunar valves are closed

Assertion (A): Systolic pressure is higher than the diastolic pressure. Reason (R): During diastole, cuspid valves open while during systole semilunar valves open.

MOTION-BODY FLUIDS AND CIRCULATION-EXERCISE -4 AIIMS | Assertion & Reason Questions
  1. Assertion : Systolic pressure is higher then diastolic pressure. Rea...

    Text Solution

    |

  2. Assertion : Generally old people have higher blood pressure. Reason ...

    Text Solution

    |

  3. Assertion : If the muscles of both auricles of the person permanently ...

    Text Solution

    |

  4. Assertion :- If all external nerve supplies to a human heart are cut t...

    Text Solution

    |

  5. Assertion :- Lymph is the filtered blood from capillaries, which is ri...

    Text Solution

    |

  6. Assertion : In joint diastole, all the four chamber of heart are in r...

    Text Solution

    |

  7. Assertion : The pause between the end of the second sound and the beg...

    Text Solution

    |

  8. Assertion : LUBB (First Sound) is of shorter duration and sharp sound...

    Text Solution

    |

  9. Assertion : Portal system consists of veins which start from capillari...

    Text Solution

    |

  10. Assertion: Atherosclerosis affects the vessels that supply blood to th...

    Text Solution

    |

  11. Assertion : In amphibians incomplete double circulation presents. Re...

    Text Solution

    |

  12. Assertion : In open circulatory system blood is pumped by heart passes...

    Text Solution

    |

  13. Assertion: In fishes single circulation occur Reason : Fishes have a...

    Text Solution

    |

  14. Assertion : Myocardial infarction oftern results from a sudden decreas...

    Text Solution

    |

  15. Assertion : The sino-atrial node (SAN) is called the pacemaker. Reas...

    Text Solution

    |

  16. Assertion : The opening between the right atrium and the right ventric...

    Text Solution

    |

  17. Assertion : Neural signals through the sympathetic nerves can increase...

    Text Solution

    |

  18. Assertion : Cardiac output is the volume of blood pumped out by each v...

    Text Solution

    |

  19. Assertion : First heart sound (LUBB) is produced at the beginning fo v...

    Text Solution

    |

  20. Assertion : Lymph is a colourless fluid containing specialised lymphoc...

    Text Solution

    |