KS3 Science: Test Your Knowledge on Bacteria and Viruses

Science Quiz - Health 02 (Questions)

Health in KS3 Science explores how diet and lifestyle choices affect the body, including the importance of balance, variety, and moderation in what we eat and drink.

Explore the Topic →

(quiz starts below)

Fascinating Fact:

Eating too many carrots can actually turn your skin slightly orange.

In KS3 Science, pupils learn about nutrition and the effects of food choices. Lessons cover carbohydrates, fats, proteins, vitamins, and minerals, as well as how diet affects overall health and energy levels.

Key Terms

Carbohydrates: Foods that give the body energy, such as bread, rice, and pasta.
Protein: Nutrients used to build and repair tissues, found in foods like meat, beans, and eggs.
Vitamins: Substances needed in small amounts to keep the body working properly.

Frequently Asked Questions (Click to see answers)

What makes up a balanced diet in KS3 Science?

A balanced diet includes carbohydrates, proteins, fats, vitamins, minerals, fibre, and water. Each plays a role in keeping the body healthy and functioning properly.

Why is fibre important for health?

Fibre helps food move through the digestive system, prevents constipation, and supports a healthy gut. It is found in fruit, vegetables, and whole grains.

What happens if someone eats too much sugar?

Eating too much sugar can lead to tooth decay, weight gain, and a higher risk of diseases like type 2 diabetes if not balanced with other healthy foods.

Try These Related Quizzes

Which type of cell can produce antibodies?

[ ]	Blood plasma
[ ]	Muscle cells
[ ]	Red blood cells
[ ]	White blood cells

The range of antibodies in your blood can be safely increased by ...

[ ]	breathing
[ ]	drinking
[ ]	eating
[ ]	vaccination

Which microbe invades cells?

[ ]	Bacteria
[ ]	Fungus
[ ]	Mould
[ ]	Virus

Which microbe can be killed by antibiotics?

[ ]	Bacteria
[ ]	Fungus
[ ]	Mould
[ ]	Virus

Which of the following is least likely to introduce living bacteria into our bodies?

[ ]	A cut on our knee
[ ]	A vaccine
[ ]	Breathing
[ ]	Eating and drinking

Which of the following is NOT caused by a virus?

[ ]	Cold
[ ]	Flu
[ ]	HIV
[ ]	Tetanus

In which of the following foods are microbes NOT used?

[ ]	Bread
[ ]	Flapjacks
[ ]	Wine
[ ]	Yoghurt

Which of the following is caused by a fungus?

[ ]	Athletes foot
[ ]	Chickenpox
[ ]	Measles
[ ]	Tennis elbow

Which of the following does NOT involve fungi?

[ ]	Beer
[ ]	Bread
[ ]	Meat
[ ]	Mushrooms

10.

Fungi are simple plants but they do not contain .......

[ ]	A nucleus
[ ]	A vacuole
[ ]	Cell walls
[ ]	Chloroplasts

Science Quiz - Health 02 (Answers)

Which type of cell can produce antibodies?

[ ]	Blood plasma
[ ]	Muscle cells
[ ]	Red blood cells
[x]	White blood cells

These defend your body against infection by bacteria, viruses and fungi

The range of antibodies in your blood can be safely increased by ...

[ ]	breathing
[ ]	drinking
[ ]	eating
[x]	vaccination

This helps to create immunity to certain diseases that were once responsible for killing millions of people

Which microbe invades cells?

[ ]	Bacteria
[ ]	Fungus
[ ]	Mould
[x]	Virus

Viruses can reproduce rapidly, but only in living cells. A virus is technically not alive, it shows none of the signs of life like respiration. It is more like a chemical that can reproduce itself when it gets into a living cell. To talk about killing a virus is not really correct, it is better to say destroying a virus

Which microbe can be killed by antibiotics?

[x]	Bacteria
[ ]	Fungus
[ ]	Mould
[ ]	Virus

Antibiotics only work on bacteria, they do not destroy viruses or fungal infections

Which of the following is least likely to introduce living bacteria into our bodies?

[ ]	A cut on our knee
[x]	A vaccine
[ ]	Breathing
[ ]	Eating and drinking

Some vaccines have living bacteria but in a weakened form. A vaccine trains our white blood cells what antibodies are needed to fight off the infection in the future

Which of the following is NOT caused by a virus?

[ ]	Cold
[ ]	Flu
[ ]	HIV
[x]	Tetanus

Spores of the tetanus bacteria enter a wound from soil, dust or animal faeces. You can't catch tetanus from someone who has the disease

In which of the following foods are microbes NOT used?

[ ]	Bread
[x]	Flapjacks
[ ]	Wine
[ ]	Yoghurt

There are more microbes on your body than there are humans on Earth

Which of the following is caused by a fungus?

[x]	Athletes foot
[ ]	Chickenpox
[ ]	Measles
[ ]	Tennis elbow

People with athletes foot should not use communal showers as it is easy to pass it on to others. It is easily cured by using an anti-fungal cream or powder