Q. Consider the following statements. In man, vertebral column has 33 bones organized as 28 bones. Pelvic girdle is made up of two fused bones only. Osteoporosis is characterized by micro-architectural deterioration of the bone.

A) I is correct
B) II is correct
C) III is correct
D) I is incorrect
Explanation

Osteoporosis is a disease, in which bones loses minerals and fibres from its matrix. Imbalances of hormones like calcitonin, parathyroid and sex hormones, deficiencies of calcium and vitamin-D are the main causes of osteoporosis.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.