Skip to content
Back to quiz
6. Which of these is the correct description of osmosis?
- Using energy from respiration, the movement of particles across a partially permeable membrane from a high concerntration to a low concerntration
- The diffusion of water particles from a high concertration to a low concertration through a partially permeable membrane
- The diffusion of water particles from a low concertration to a high concertration through a partially permeable membrane
- Using energy from respiration, the movement of particles across a partially permeable membrane
7. What controls the movement of the ribcage?
- Intercostal muscles
- Thorax
- Alveoli
- Trachea
8. Which of these is a response your body makes when you are hot?
- Blood vessels widen
- You release more water through urine
- Hair stands up
- Muscles contract
9. What are nephrons?
- Small fitration units
- Membranes between blood vessels and Bowmans capsule
- A part of the blood which is filtered and then reabsorbed in the kidneys
10. Which of these is NOT a component of blood?
- Red blood cells
- Glands
- White blood cells
- Platelets
- Plasma
11. Which of these is NOT an adaptation of red blood cells?
- Having the ability to change shape
- Having a large surface area
- Having no nucleus
12. Which of these is NOT an adaptation of alveoli for maximising the diffusion of CO2 and O2?
- Huge surface area
- Very thing walls
- Moist lining for dissolving gases
- Cool temperature for condensing gases
- Good blood supply
13. Old fashioned lungs were used before new ventilators, what was the problem with them?
- Emitted too much harmful radiation causing cancers later on in life
- Causes damage occasionally if lungs cannot cope with artificial air eg burst alveoli
- They interferred with blood flow to the lower body
- They didnt work for everybody
14. What is the top part of your body called containing the lungs and heart?
- Thorax
- Brochus
- Trachea
- Alveoli
15. What is the thermoregularatory centre in the brain?
- The hypothalamus
- The pituitary gland
- The ADH
16. What is the function of valves?
- To stabilise blood sugar levels
- To prevent blood clots
- To prevent backflow of blood
- To keep blood pressure content
17. Which of these carry blood away from the heart?
- Valves
- Capillaries
- Arteries
- Veins
18. Which of these is made of dead cells?
19. The transpiration stream is a side effect of what reaction in plants?
- Release of oxygen into the atmosphere
- Evaporation
- Photosynthesis
- Absorbtion of minerals and ions from the soil
20. Which of these statements is correct for transportation in plants?
- The phloem tube transports food in both directions, the xylem tube transports water and minerals upwards only
- The xylem tube transports food in both directions, the phloem tube transports water and minerals upwards only
- The phloem tube transports food upwards only, the xylem tube transports water and minerals in both directions
- The phloem tube transports water in both directions, the phloem tube transports water and minerals upwards only