Home
Class 12
BIOLOGY
[A] : [A]: ECG is a record of electrical...

[A] : [A]: ECG is a record of electrical activity of the heart that shows certain waves called PQRS and T waves.
[R]: It gives important information concerning the spread of excitation to the different parts of heart and helps in diagnosis of heart disor- ders.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ANIMAL KINGDOM -NONCHORDATES

    TRUEMAN BIOLOGY|Exercise MCQ|291 Videos

  • APPLICATION OF BIOTECHNOLOGY

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|122 Videos

Similar Questions

Explore conceptually related problems

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion (c) If the assertion is true but the reason is false (d) If both the assertion and reason are false (e) If the assertion is false but reason is true Assertion : Electorcardiogram is record of electrical activity of the heart which shows certain waves called P,Q,R,S and T waves. Reason : It gives important information concerning the spread of excitation to the different parts of heart and it is of value in the diagnosis of cases of abnormal cardiac rhythm and myocadial damage.

TRUEMAN BIOLOGY-Animal Physiology -ASSERTION AND REASON
  1. [A] : Hydrostatic pressure in blood forces wa- ter and other solutes ...

    Text Solution

    |

  2. [A] : Extracellular fluid serves as the sanitary drainage line of the...

    Text Solution

    |

  3. [A] : [A]: ECG is a record of electrical activity of the heart that sh...

    Text Solution

    |

  4. [A] : Regulation of the rate of breathing is brought about by the resp...

    Text Solution

    |

  5. [A] : Role of RBC' In CO2 transport Is primarily to form HCO3 - for c...

    Text Solution

    |

  6. [A] : SA node is contraction centre or Pace Maker. [R]: Nodal fibre...

    Text Solution

    |

  7. [A] : Acetylchoiine allows a nerve cell to com- municate chemically w...

    Text Solution

    |

  8. A : Transmission of the nerve impulse across a synapse is accomplishe...

    Text Solution

    |

  9. [A] : CO2 is mainly transported in plasma as HCO3^(-) ions [R]: Th...

    Text Solution

    |

  10. [A] : Conjunctiva is composed of squamous epithelium and lines the eye...

    Text Solution

    |

  11. [A] : Tympanic membrane stretching across the aperture between skull ...

    Text Solution

    |

  12. Assertion : Lateral line system is found in fishes and aquatic larval ...

    Text Solution

    |

  13. [A] : [A]: Parthenogenesis is a type of sexual re- production. [R]: Be...

    Text Solution

    |

  14. [A] : Our inner ear contains sense organs for balance movement of flu...

    Text Solution

    |

  15. [A] : Hair cells on the basiiar membrane are responsible for hearing....

    Text Solution

    |

  16. [A]: Thyroid stimulating hormone is smallest peptide hormone. [R]: ...

    Text Solution

    |

  17. Assertion: Aldosterone is a steroid hormone and is important in the co...

    Text Solution

    |

  18. [A] : Cortisol is a protein hormone that regu- lates gluconeogenesis ...

    Text Solution

    |

  19. [A]: A tadpole whose thyroid gland has been removed does not metamorph...

    Text Solution

    |

  20. [A]: The regulation of RBC production is ac complished by the hormone ...

    Text Solution

    |