Tag: hormone during puberty

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Multiple choice biology the age of adolescence changes in body during adolescence hormone during puberty role of hormones in reproduction

Osteoporosis, an age related disease of skeletal system, may occur due to 

  1. Accumulation of uric acid

  2. Immune disorder affecting neuromuscular junction
  3. High concentration of Ca$^{2+}$ and Na$^+$

  4. Decreased level of oestrogen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
A. Accumulation of uric acid leads to gout. It is a form of arthritis in which there is severe pain, redness and tenderness in joints.
B. Immune disorder affecting neuromuscular junction leads to myasthenia gravis. It is a neuromuscular disorder that causes weakness in the skeletal muscles which are under control.
C. High concentration of calcium and sodium which leads to hypercalcemia and hypernatremia.
D. Decreased level of estrogen leads to osteoporosis. In this bones become weak and brittle. 
So, the correct answer is 'Decreased level of estrogen'.