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WorksheetsUnit 2: Micro-organisms Review
Total questions: 33
Worksheet time: 33mins
Living organisms have a set of seven characteristics - growth, movement, reproduction, excretion, sensitivity, nutrition, and respiration.
True
False
Non-living things have the same seven characteristics as living things.
True
False
A chemical reaction that takes place in all living cells, releasing energy from food.
movement
respiration
nutrition
growth
Making new living organisms.
nutrition
excretion
reproduction
sensitivity
Getting rid of waste products from the chemical reaction taking place inside body cells.
nutrition
respiration
sensitivity
excretion
Being able to sense and respond to stimuli.
reproduction
movement
sensitivity
growth
What parts does an animal cell and a plant cell have in common? (check all that apply)
nucleus
cell wall
cell membrane
cytoplasm
vacuole
What part does an animal cell not have?
chloroplast
nucleus
mitochondria
cell membrane
A micro-organism is __________.
a non-living organsim so small we can only see it when we use a microscope.
a living organism that we can see without a microscoope
a living organism so small that we can only see it when we use a microscope.
a new series on Netflix.
Bacteria are found everywhere.
True
False
Bacteria, microscopic fungi, single-cell algae and protozoa are types of microorganisms.
True
False
One teaspoon of soil may contain one thousand million bacteria
True
False
Microorganisms cause decay fastest when..... (choose 2)
it is warm and damp
it is cool and dry
when they have lots of oxygen
when there is no oxygen
Microorganisms cause organic matter to (a) .
What is added to bread that feeds on nutrients in the flour?
money
yeast
salt
bacteria
Some kinds of bacteria change milk into yoghurt or cheese. They do this by changing sugar in the milk to _________ .
Piknik
carbon dioxide
nutrients
lactic acid
Diseases that are caused by microorganisms are called non-infectious diseases.
True
False
Antibiotics can be used to cure diseases caused by _________.
bacteria
lactic acid
allergies
eating too much
There are about ___________ cells in the human body.
100 billion
100 trillion
1 trillion
2
There is more bacteria in your mouth than people in the world.
True
False
Different kinds of _______ are adapted to carry out different functions.
organs
cells
viruses
cheeses
The structure of red blood cells helps them to transport ___________.
money
proteins
oxygen
electrical signals
The structure of a ______________ helps them transmit electrical signals.
red blood cell
root hair cell
white blood cell
nerve cell
The structure of root hair cells helps them to absorb _________.
water
vitamins
oxygen
coffee
A(n) ___________ is a group of similar cells, carrying our a particular function.
organ
haemoglobin
tissue
bacterium
Tissues group together to form _________.
cells
red blood cells
chocolate bars
organs
A(n) __________ is a living thing. It may contain many different organ systems, organs and tissues.
organism
tissue
cell
organ system
What is haemoglobin?
The substance that fights bad bacteria
A new dance on TikTok
The red substance that transports oxygen
The red substance that transports vitamins and minerals
List 2 structures in a red blood cell that are found in all animal cells.
vacuole, chloroplast
cell membrane, cytoplasm
cell membrane, cell wall
cytoplasm, vacuole
Both animal cells and plant cells both contain a nucleus, cytoplasm, cell walls and mitochondria.
False
True
