Home
Class 12
BIOLOGY
[A]: Osteoporosis is a bone disorder tha...

[A]: Osteoporosis is a bone disorder that re- sults from the loss of calcium and phosphate from the bone matrix.
[R]: In osteoporosis, osteoblast activity is de- creased and new bone is deposited more slowly than it is removed by osteoclasts.

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

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQ|285 Videos
  • APPLICATION OF BIOTECHNOLOGY

    TRUEMEN BIOLOGY ENGLISH|Exercise Multiple Choice Questions|120 Videos
TRUEMEN BIOLOGY ENGLISH-Animal Physiology -ASSERTION AND REASON
  1. [A] : Gall stones are pebbie sized structures that formed in the gall...

    Text Solution

    |

  2. [A] : Upon stimulation of a muscle cell, cal- cium ions (Ca^(++)) are...

    Text Solution

    |

  3. [A]: Osteoporosis is a bone disorder that re- sults from the loss of c...

    Text Solution

    |

  4. [A] : In mammals, ends of presynaptic fibres are enlarged to form syn...

    Text Solution

    |

  5. [A] : Receptors located in tendons, joints and skeletal muscle give in...

    Text Solution

    |

  6. [A]: Lateral-iine organs are important in con- nection with aquatic mo...

    Text Solution

    |

  7. [A] : Accomodation in the bird's eye is con- trolled by the ciliary ap...

    Text Solution

    |

  8. [A] : Mammals lack mucous glands in their skin. [R] : The epidermis ...

    Text Solution

    |

  9. [A] : In old age, the skin gets wrinkled. [R]: Epidermis has a sin...

    Text Solution

    |

  10. [A] : In Mammals sweat glands are primarily concerned with regulation...

    Text Solution

    |

  11. [A] : [A]: Spermatogenesis occurs in the seminiferous tubules of the t...

    Text Solution

    |

  12. Statememt 1 : In a Graafian follicle, the primary cell, the and the f...

    Text Solution

    |

  13. [A] : Amniotic fluid serves as a protective cushion. [R]: It breaks...

    Text Solution

    |

  14. [A]: Entry of sperm brings about a rearrangement of materials of cytop...

    Text Solution

    |

  15. A : in morula stage the cells divide without any increase in siz...

    Text Solution

    |

  16. [A]: Brain does not affect in the absence of glucose. [R]: Glucose ...

    Text Solution

    |

  17. [A]: After operation, menstrual cycle in woman may be stopped. [R]...

    Text Solution

    |

  18. Assertion : In placental mammals the placenta is connected to the e...

    Text Solution

    |

  19. Assertion: Smaller the organism higher is the rate of metabolism per g...

    Text Solution

    |

  20. [A] : Haversian canals are inter connecting canals that run usually lo...

    Text Solution

    |