1) What are prebiotics? a) Food that contains added sugars called oligosaccharides b) Food that contains good bacteria c) Food that reduces the amount of cholesterol in your blood d) Food that is YUM! 2) What is the purpose of lactobacillus bacteria in the process of making yoghurt? a) To flavour the yoghurt b) To filter out any sediment c) To ferment the sugar lactose into lactic acid d) To lower the pH of the milk 3) What is the source of soy sauce? a) Wheat b) Soya beans c) Baked beans d) Soya milk 4) Which mould fungus is used to produce citric acid? a) Aspergillus niger b) Yeast c) Acetobacter d) Invertase 5) Which is a suitable vegetarian subsitute for gelatine? a) Rennet b) Chymosin c) Glutamic acid d) Carrageen extract 6) Body mass index= /=divide x=times a) Bodyheight (cm)/Body mass(g) b) HairLength(cm) X Body width (cm) c) Bodymass (Kg)/(body height)² (m²) d) Bodymass (Kg)/(body height) (m) 7) How much food does the average human consume in their lifetime (70 years)? a) 1 tonne b) 15 tonnes c) 110 tonnes d) 30 tonnes 8) What do herbicides do? a) Kill off weeds b) Kill pests (green fly etc.) c) Genetically modify an organism to resist insect attack d) Kill the crop 9) What is an ethical issue of manufacturing using GM crops? a) It takes up more space b) Eating GM food is bad for our health c) They could take over the world d) It's not natural 10) What is genomics? a) Changing peoples genes to benefit them b) The science of working out the sequence of the bases in the strands of DNA c) The science of working out the number of bases in a strand of DNA d) A plaster cast figure of a gnome

biologyb3revisionquiz

by Anonymous
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?