Pakistan MCQs

Taste buds contain receptor cells for dissolved chemicals.
They contribute to sweet, sour, salty, bitter, and umami sensations.

A balanced diet supplies energy, building materials, vitamins, minerals, fiber, and water.
Needs vary with age and activity.

The liver is the largest internal solid organ.
It performs metabolism, detoxification, and bile production.

The femur is the thigh bone.
It is also one of the strongest bones.

Bones support body shape and protect organs.
They also provide attachment points for muscles.

The large intestine absorbs remaining water and salts.
It compacts undigested material into feces.

The liver produces bile.
The gallbladder stores and concentrates it.

Bile breaks large fat globules into small droplets physically.
This increases surface area for lipase action.

The gallbladder stores and concentrates bile made by the liver.
It releases bile into the small intestine.

Salivary amylase starts breaking starch into smaller sugars.
Its action continues briefly after swallowing.

Pepsin works in the acidic stomach environment.
It breaks proteins into smaller peptides.

Lipase hydrolyzes fats into fatty acids and glycerol.
It acts mainly in the small intestine.