Q7 What type of joint will give the greatest range (amount) of movement?A SlidingB Ball and socketC FixedD HingeQ19 What is the function of root hairs?A Anchor the root firmly in the soilB Prevent heat loss from the rootC Absorb water from the soilD Absorb carbon dioxide from the soilQ22 In the kidney blood is filtered.What is the special term given to this process?A Serial-filtrationB Ultra-filtrationC Reverse osmosisD Active transportQ23 If the frui

Q7 What type of joint will give the greatest range (amount) of movement?
A Sliding
B Ball and socket
C Fixed
D Hinge
Q19 What is the function of root hairs?
A Anchor the root firmly in the soil
B Prevent heat loss from the root
C Absorb water from the soil
D Absorb carbon dioxide from the soil
Q22 In the kidney blood is filtered.What is the special term given to this process?
A Serial-filtration
B Ultra-filtration
C Reverse osmosis
D Active transport
Q23 If the fruit fly,Drosophila melanogaster,has a haploid number of four,how many chromosomes will be present in the non-gamete cells of the adult?
A 2
B 4
C 8
D 12
Q24 What is the role of phloem?
A Supporting the stem and branches of the plant
B Transport of dissolved minerals from the root
C Transport of sugars towards growing points
D Allowing water vapour to escape from leaves
Q25 A xerophyte is a plant that grows in very dry conditions.What feature would you expect this type of plant to have?
A Thick waxy cuticle on the leaves
B Brightly coloured flowers
C Shallow roots near the surface
D Stomata on upper and lower leaf surfaces
Q28 Which of the following is an example of homeostasis?
A Child birth
B Adrenaline secretion
C Body temperature regulation
D Escape from predators