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Summer School -- WARM UP QUIZ (UNIT 1)

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Is bacteria living or non-living?

a)

Non-living

b)

Living

c)

type of plant

d)

Just a virus

2.

Where can bacteria be found?

a)

Only on dirty things

b)

Everywhere — including your body, water, and food

c)

Only in the air

d)

Only in hospitals

3.

Is all bacteria bad?

a)

Yes, all bacteria makes you sick

b)

No, some bacteria help your body

c)

All bacteria is dangerous

d)

Only the bacteria in food is bad

4.

Which of these uses helpful bacteria?

a)

Writing books

b)

Making yogurt

c)

Charging phones

d)

Cleaning your shoes

5.

What do doctors use to kill bad bacteria?

a)

Vaccines

b)

Vitamins

c)

Antibiotics

d)

Pain medicine

6.

🧪 1. What is an extremophile?


a)

An animal that only lives in cold places

b)

A microorganism that lives in extreme environments

c)

A plant that grows really fast

d)

A type of virus that spreads easily

7.

Which of the following is an example of an environment where extremophiles can live?

a)

A regular backyard

b)

A warm beach

c)

A classroom fish tank

d)

A boiling hot spring

8.

What is taxonomy?

a)

A type of science fiction

b)

A list of all animals in a zoo

c)

A rule for naming rocks

d)

The science of classifying living things

9.

Which of the following is the correct order in classification from broadest to most specific?

a)

Kingdom → Phylum → Class → Order → Family → Genus → Species

b)

Species → Genus → Family → Class → Phylum → Kingdom → Order

c)

Class → Kingdom → Species → Phylum → Genus → Order → Family

d)

Order → Kingdom → Species → Phylum → Genus → Class → Family

10.

Which of the following is NOT one of the three domains of life?

a)

Bacteria

b)

Archaea

c)

Protista

d)

Eukarya

11.

A (a)   is a virus that infects bacteria.

12.

What is the main purpose of streaking bacteria on a petri dish?

a)

A. To kill the bacteria

b)

B. To clean the petri dish

c)

C. To separate bacteria into single colonies

d)

To make the bacteria change shape

13.

What does a bacteriophage need in order to reproduce?

a)

Another virus

b)

Food and water

c)

A bacterial cell

d)

A human cell

14.

What part of the bacteriophage holds its genetic material (DNA)?

a)

Tail fibers

b)

Base plate

c)

Head (Capsid)

d)

Sheath

15.

Why don’t bacteriophages infect human cells?

a)

Human cells are too small

b)

Bacteriophages only recognize bacteria

c)

They are afraid of human cells

d)

Human cells have stronger walls

16.

Why were people concerned about the blobs falling from the sky?

a)


The blobs exploded on the ground

b)

They were made of fire

c)

They turned into stones

d)

People and animals got sick after they appeared

17.

What is the first step in the scientific method that scientists might use to study the blobs?

a)

Make a guess without testing

b)

Do experiments without writing anything down

c)

Ask a question about what the blobs are

d)

Throw away the evidence

18.

Which part of a plant cell helps it stay firm and supports its shape?

a)

Mitochondria

b)

Nucleus

c)

Cell wall

d)

Cell membrane

19.

What is one main difference between bacterial cells and animal cells?

a)

Bacterial cells are bigger than animal cells

b)

Bacterial cells do not have a nucleus

c)

Animal cells can’t move

d)

Bacterial cells have more organelles

20.

Which cell part is found in both plant and animal cells and controls what enters and leaves the cell?

a)

Chloroplast

b)

Ribosome

c)

Cell wall

d)

Cell membrane