Pakistan MCQs

Resistance evolves through mutations and selection.
Misuse and overuse of antibiotics accelerate its spread.

Plasmodium parasites cause malaria.
They are transmitted mainly by infected female Anopheles mosquitoes.

Tuberculosis is a bacterial disease, often affecting the lungs.
It spreads through airborne droplets.

Cholera is caused by Vibrio cholerae.
Safe water, sanitation, and rapid rehydration are essential.

Carbohydrates are broken down mainly into glucose.
Cells use glucose to produce ATP.

Dengue is transmitted mainly by Aedes aegypti and related mosquitoes.
These mosquitoes often bite during daytime.

Proteins supply amino acids for building and repairing tissues.
They also form enzymes, antibodies, and many hormones.

Cool running water removes heat and limits tissue damage.
Direct ice can worsen injury by causing cold damage.

Fat provides about nine kilocalories per gram.
Carbohydrates and proteins provide about four each.

Direct pressure helps compress damaged vessels and promote clotting.
Emergency help is needed if bleeding is severe.

Vitamin A supports retinal pigments and epithelial health.
Deficiency can cause night blindness.

Nitrogen makes up about 78% of the atmosphere.
Oxygen is the second most abundant gas.