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WorksheetsGas Exchange in Insects
Total questions: 10
Worksheet time: 3mins
What are the holes in an insect's abdomen called?
Pores
Stomata
Spiracles
Spindles
As the size of an organism increases its surface area to volume ratio increases
True
False
What are the smaller tubes (plural) that branch from the tracheae in insects called?
(a)
By which process in oxygen transported into cells?
(a)
When would there be more fluid at the end of tracheoles?
When the muscle is active
When the muscle is resting
Why is oxygen transported into insect muscle cells faster when they are active?
There is less fluid in the tracheoles and diffusion is faster in air
Lactic acid is secreted into tracheoles
There is more fluid in the tracheoles and diffusion is faster in water
Oxygen can be transported into cells by osmosis
What helps to draw air into insect tracheae?
breathing
abdominal pumping (due to muscle contraction)
respiration
gas exchange
What is the surface area to volume ratio of a cube that has sides of 2cm? Express your answer as (a) :1
What is the exoskeleton of an insect made from?
cellulose
peptidoglycan
chitin
calcium
Which substance(s) can exit spiracles?
oxygen
carbon dioxide
glucose
water (vapour)
