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

    TRUEMAN BIOLOGY|Exercise MCQ|291 Videos

  • APPLICATION OF BIOTECHNOLOGY

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|122 Videos

Similar Questions

Explore conceptually related problems

Assertion : Osteoporosis is characterized by increase in density of bones. Reason : There is increased activity of the osteoblasts.

Sturdy bones are essential to good health and active life. With advancing age and defective lifestyle, bones become weak. (a). What is osteoporosis and bone mineral density (BMD)? How are they related to each other? (b). What is the risk of osteoporosis and how is it prevented? (c). What habit should we inculcate to save ourselves from osteoporosis?

TRUEMAN BIOLOGY-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]: Spennatogenesis occurs in the seminif erous tubules of the ...

    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 nearrange- ment of materials of cyt...

    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

    |