MCQ
What happens in osteoporosis?
  • A
    Decrease in progesterone.
  • B
    Increase in progesterone.
  • Decrease in estrogen.
  • D
    Both $2$ and $3.$

Answer

Correct option: C.
Decrease in estrogen.
In osteoporosis, there is decrease in levels of estrogen.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Iodine test is shown by
Which of the following statements are wrong?

$(i)$ Leucocytes disintegrate in the spleen and liver.

$(ii)$ $RBC, WBC$ and blood platelets are produced by bone marrow.

$(iii)$ Neutrophils bring about destruction and detoxification of toxins of protein origin.

$(iv)$ The important function of lymphocytes is to produce antibodies

The pyrenoids are made up of:
The hepatic portal vein before reaching the liver, joins the:
Corticoids are the hormones, which are secreted by
Identify the correct statements w.r.t. the given cell

$A$. Concerned with lipid and steroidal hormone synthesis

$B$. Outer non-living rigid structure which gives shape to the cell and protects from mechanical damage and infection.

$C$. Both lie perpendicular to each other and each has an organisation like the cart wheel.

$D$. Responsible for trapping light energy for the synthesis of sugar.

$E$. Present in cells actively involved in protein synthesis and secretion.

$F$. Spherical structures, rich in hydrolytic enzymes.

Calcitonin lowers the calcium level in the blood. This is secreted by:
Given below are four statements $(i-­iv)$ regarding human blood circulatory system.

$(i)$ Arteries are thick­walled and have narrow lumen as compared to veins.

$(ii)$ Angina is acute chest pain when the blood circulation to the brain is reduced.

$(iii)$ Persons with blood group AB can donate blood to any person with any blood group under $ABO$ system.

$(iv)$ Calcium ions play a very important role in blood clotting.Which two of the above statements are correct?

Unstriped smooth muscles are found in
In unicellular organisms,

$(i)$ Reproduction is synonymous with growth

$(ii)$ Grow by cell division.

$(iii)$ Growth and reproduction are mutually exclusive events With respect to growth and reproduction, which all statements are true