Science MCQs

Exercise like running improves lung capacity and health.

Fibre adds bulk softens stool and aids in regular bowel movements.

The mouth is where ingestion and the initial digestion of food begin.

The anus is the endpoint of the digestive tract where waste is expelled.

The nose filters warms and moistens incoming air using hairs and mucous.

Constipation is a common issue related to the digestive system.

Low fibre intake can lead to hard dry stools causing constipation.

The pharynx is a passage for both food and air.

Saliva breaks down starch into simpler sugars like maltose tasting sweet.

Deep breathing helps replenish oxygen levels and remove excess carbon dioxide.