MCQ-3: Human Nutrition

Which type of tooth is used for crushing food?

The diagram shows a type of tooth.

Use the key to identify the tooth.

1. double rooted tooth ………………………………….. go to 2
   single rooted tooth ……………………………………. go to 3
2. flattened crown …………………………………………A
   deeply ridged crown …………………………………. B
3. chisel shaped tooth …………………………………..  C
   cone shaped tooth …………………………………….  D

The table shows vitamin and mineral salt content of four foods.

Which foods would stop a person from suffering from anaemia (lack of haemoglobin) and scurvy (bleeding gums)?

Which is an incisor tooth?

Dietary fibre passes through several structures after leaving the stomach.
In which order does the dietary fibre pass through these structures?

A child decided to eat only meat, oily fish, cheese and bread, and drink only water.
Which nutrient would be in low levels in this diet?

The graphs show the quantities of selected vitamins and mineral ions in four foods.

Which food is the richest source of the vitamin or mineral ions essential for the transport of oxygen by the blood?

What is the function of the anus?

The diagram shows human blood as seen through a light microscope.
A person’s blood is unable to clot.
Which component of the blood is not functioning properly?

The diagram shows the human alimentary canal.
Which structure does not secrete digestive enzymes?

What happens as a result of deamination in the liver?

What is the main cause of kwashiorkor?

What functions are carried out by the small intestine?

What must be increased in the diet of a person suffering from constipation?

The diagram shows the human alimentary canal, with a string marked in metres beside it.

How long is the small intestine?

Which stage of nutrition takes place when food molecules become part of a body cell?

Into which part of the alimentary canal is the enzyme that digests starch secreted?

The diagram shows part of the alimentary canal.
Which structure produces lipase?

The diagram shows the activity of salivary amylase, pancreatic lipase and stomach protease at different pH levels.

From the graph, what is the optimum pH for the protease enzyme?

The pie charts show the composition of 100 g of four different foods.
Which food provides the most energy?