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WorksheetsCells and organisation KS3
Total questions: 15
Worksheet time: 7mins
What are groups of similar body cells working together called?
specialised cells
tissues
organs
organ systems
When different tissues work together, they make up an...
tissue
brain
organ
Examples of organ systems are -
circulatory system
respiratory system
muscular system
nutrition system
nervous system
What is meant by flagellum?
The tail of a unicellular organism
The eyespot of a unicellular organism
The food stores of the unicellular organism
What is the function of the nerve cell?
send and receive electrical signals to and from the brain
send and receive parcels to and from the brain
stop signals being sent to the brain
send and receive oxygen to and from the brain
Guess who I am? I am a jelly-like material that makes up the bulk of the cell. All chemical reactions occur here.
Jellyfish
cytoplasm
chloroplasts
vacuole
Which cell does not contain a nucleus?
palisade cell
Phloem cell
red blood cell
nerve cell
What is this cell under a microscope?
animal cell
plant cell
What is the role of the nucleus in a cell?
converts glucose and oxygen in the form of energy
surrounds the cell and contains cytoplasm
controls what goes in and out of the cell
contains DNA which controls the reactions inside the cell
Which organelle collects sunlight to make sugar during photosynthesis?
cell wall
cytoplasm
chloroplasts
cell membrane
What is the function of the mitochondria?
the site of photosynthesis
absorbs energy from the sun to help the plant make glucose
provides pressure for the cell, keeping it firm and in shape
site for ATP (energy) production
What two organelles are found in a plant cell but not in an animal cell?
chloroplasts and cell membrane
chloroplasts and cytoplasm
chloroplasts and cell wall
chloroplasts and mitochondria
What magnification should you start with when using a light microscope?
the lowest
the middle
the highest
it doesn't matter
How are multicellular and unicellular organisms different?
Multicellular organisms have more than one cell and are smaller than unicellular organisms
Unicellular organisms have one cell and are smaller than multicellular organisms.
Multicellular organisms have one cell and are larger than unicellular organisms.
Unicellular organisms have more than one cell and are larger than multicellular organisms
Why should you use the fine focusing wheel instead of the coarse focusing wheel, when using a microscope?
It easier to use
Its closer
To prevent breaking the slide
It doesn't matter which one you use
