WorksheetsSCIENCE REVIEW - 7th grade - 1st semester
Total questions: 12
Worksheet time: 6mins
Choose three characteristcs of a living organism
yeast, respiration, autotrophic
reproduction, nutrition, growth
bacteria, microorganisms, movement
protozoa, virus, sensitivity
The word "BACTERIUM" is...
singular
plural
Which characteristic do all living organisms have in common?
Movement
Cells
Autotrophic
Heterotrophic
The word "BACTERIA" is...
singular
plural
What is a micro-organism?
It is a small living organism that causes diseases.
It is a small living organism that is made of only one cell.
It is a small living organism that returns nutrients to the soil.
It is a small living organism that can only be seen when we use a microscope.
The word "FUNGI" is...
singular
plural
Viruses can only manifest metabolism, reproduction and cell structures when inside a host cell.
True
False
The word "FUNGUS" is...
singular
plural
________ is when microorganisms break down organic matter.
fermentation
lactic acid
decay
respiration
Most microorganisms grow fastest when they have:
temperature, water and oxygen
plenty of water, a warm temperature, plenty of oxygen
water, cold temperature, no oxygen
no water, temperature and oxygen
Some bacteria feed on sugar in the milk and they change the sugar into ________.
yeast
bread dough
carbon dioxide gas
lactic acid
The yeast feeds on the nutrients in the flour. When the yeast respires, it makes_______.
lactic acid
carbon dioxide gas
bread dough
yoghurt
