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- 1. Multiple Choice
What are the holes in an insect's abdomen called?
Pores
Stomata
Spiracles
Spindles
- 2. Multiple Choice
As the size of an organism increases its surface area to volume ratio increases
True
False
- 3. Fill in the Blank
What are the smaller tubes (plural) that branch from the tracheae in insects called?
- 4. Fill in the Blank
By which process in oxygen transported into cells?
- 5. Multiple Choice
When would there be more fluid at the end of tracheoles?
When the muscle is active
When the muscle is resting
- 6. Multiple Choice
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
- 7. Multiple Choice
What helps to draw air into insect tracheae?
breathing
abdominal pumping (due to muscle contraction)
respiration
gas exchange
- 8. Multiple Choice
What is the exoskeleton of an insect made from?
cellulose
peptidoglycan
chitin
calcium
- 9. Multiple Choice
Which substance(s) can exit spiracles?
oxygen
carbon dioxide
glucose
water (vapour)
- 10. Multiple Choice
Name the small tubes that carry gases directly to and from the cells of an insect
tracheoles
system
spiracle
alveoli
- 11. Multiple Choice
Tubifex worms are small, thin animals that live in water. They have no specialised gas exchange or circulatory system. Name the process by which oxygen reaches the cells inside the body of a tubifex worm.
active transport
respiration
diffusion
facilitated diffusion
- 12. Multiple Choice
Which adaptations help reduce water loss in insects? (tick all that apply)
guard cells that open and close the spiracles
valves that open and close the spiracles
hairs around the spiracles
- 13. Multiple Choice
A leaf is an organ. What is an organ? (tick all that apply)
a group of cells
a musical instrument
a group of tissues
- 14. Multiple Choice
Just before a person starts to exhale, the composition of the air in an alveolus differs from the composition of the air in the trachea. How would the composition differ? (tick all that apply)
less oxygen
more oxygen
more carbon dioxide
more water vapour
less water vapour
- 15. Multiple Choice
The flow of oxygen (in order) into the cells of an insect is
spiracles - trachea - tracheole fluid - cells - tracheole
spiracles - cells - trachea - tracheole - tracheole fluid
cells - tracheole fluid - tracheole - trachea - spiracles
spiracles - trachea - tracheole - tracheole fluid - cells
- 16. Multiple Choice
True or false:
Tracheoles have rings of chitin
true
false
- 17. Multiple Choice
To prevent moisture loss Insects have a?
permeable exoskeleton
impermeable exoskeleton
- 18. Multiple ChoiceIn living things MRS GREN stands for thefeaturesadaptationsliving processesstructures
- 19. Multiple ChoiceGas exchange is needed to supply _____________ to cells and remove __________________carbon dioxide; oxygenoxygen; foodoxygen; carbon dioxidecarbon dioxide; water
- 20. Multiple ChoiceThe movement by diffusion of oxygen and carbon dioxide across a membraneVentilationBreathingGas exchangeRespiration
- 21. Multiple ChoiceMechanical movement to inhale and exhale airGas ExchangeRespirationBreathingTransport
- 22. Multiple ChoiceRespiration is theIntake of oxygen and release of carbon dioxide over a membraneRelease of energy from food inside cellsMechanical movement to inhale and exhale airFeature that enable an animal to survive in its habitat
- 23. Multiple ChoiceGeneral term for the mechanical movement of a medium (air or water) over the gas exchange surfaceRespirationVentilation
- Answer choicesTagsAnswer choicesTags