Home
Class 12
BIOLOGY
Assertion : Osteoporosis is related to p...

Assertion : Osteoporosis is related to parathyroid glands.
Reason : Osteoporosis is the result of softening and bending of bones.

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 Assertion is false, but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
A
Excess secretion of parathyroid hormone causes softening and bending of bones.Some of the bone substances are replaced by cavities that are filled with fibrous tissue.Thls condition leads to osteoporosis or osteitis cystim. Such type of bones are easily fractured.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL COORDINATION AND INTEGRATION

    ARIHANT NEET|Exercise MEDICAL ENTRANCES S GALLERY|100 Videos

  • CHEMICAL COORDINATION AND INTEGRATION

    ARIHANT NEET|Exercise MATCH THE COLUMNS|7 Videos

  • CELL: THE UNIT OF LIFE

    ARIHANT NEET|Exercise Chapter Exercises C Medical Entranes Gallery (Collection of questions Asked in NEET & Various Medical Entrance Exams )|118 Videos

  • CHROMOSOMAL BASIS OF INHERITANCE

    ARIHANT NEET|Exercise Chapter Exercise Medical entrances gallery (Collection of questions Asked in NEET and Various medical Entrance Exams)|76 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.

Assertion :- Vasopressin is a neurohormone Reason:- Vasopressin is synthesized by pars nervosa of pituitary gland

Assertion : Birds have no mammary gland. Reason : Pigeonds secrets 'pigeon's millk'

Assertion : Collip's hormone is secreted by the chief cells of parathyroid gland. Reason : It regulates calcium and phosphate level between blood and tissues.

Assertion : Histamine is related with allergic and inflamatory reactions Reason : Histamine is a vasodilator

Assertion :- In osteoporosis bone mass decreased and chances of fractures increased. Reason :- Decreased level of estrogen is a common cause of osteoporosis.

Assertion : Tendons are very tough and inelastic. Reason: Tendons join the muscles to the bone.

Assertion : Universe is expanding. Reason : The result is based on red shift in the spectra of galaxies.