LAT General Knowledge MCQs

Most atmospheric ozone is concentrated in the stratosphere.
It absorbs much of the Sun's harmful ultraviolet radiation.

A water molecule contains two hydrogen atoms and one oxygen atom.
Its formula is H₂O.

Common salt is sodium chloride.
Its chemical formula is NaCl.

The cerebellum coordinates movement, posture, and balance.
It lies at the back of the brain.

Human body cells normally contain 46 chromosomes in 23 pairs.
Reproductive cells contain 23 chromosomes.

Sunlight helps the skin produce vitamin D.
This vitamin supports calcium absorption and bone health.

Christopher Columbus reached islands in the Caribbean in 1492.
His voyage connected Europe and the Americas on a sustained basis.

Severe vitamin C deficiency causes scurvy.
Symptoms include weak gums, bruising, and poor wound healing.

Vasco da Gama reached India by sea in 1498.
He sailed around the southern tip of Africa.

Vitamin D deficiency can impair bone mineralization in children.
The resulting condition is called rickets.

Magellan's expedition achieved the first circumnavigation.
Magellan died before the voyage was completed by Juan Sebastián Elcano.

Iron is a key component of hemoglobin.
Insufficient iron can lead to iron-deficiency anemia.