1) Which type of cells carry sugars in the plant? a) Phloem b) Xylem c) palisade cells d) guard cells 2) Which cells control th movement of gases in and out of the leaf? a) Phloem b) Xylem c) Palisade cells d) Guard cells 3) In a food chain what do the arrows represent? a) Eaten by b) Energy movement c) degree of agressiveness 4) Water moves from an area of high water concentration to an area of lower water concentration a) True b) False 5) Herbicides are used by farmers to kill animals a) True b) False 6) What is biological control? a) using a pest to control another pest. b) using a predator to control a pest c) using a chemical made by a plant to kill an annimal 7) Which mineral is needed to make chlorophyll a) Nitrate b) Phosphate c) Potassium d) Magnesium 8) which mineral is need to make proteins a) Nitrate b) Phosphate c) Potassium d) Magnesium 9) What are detrivores? a) animals the eat living material b) fungi and bacteria c) bacteria that cause disease. d) animals that eat dead material 10) which of the following is not a biofuel? a) vegetable oil b) biogas c) coal d) ethanol e) wood 11) For a pyramid of biomass what two things do you need to know to calculate biomass? a) Number and mass of one b) Number and total mass c) just the mass d) how many of each organism there is 12) A stomata is found in a leaf? What is it? a) True b) False 13) minerals move into roots by active transport. a) True b) False 14) chlorophyll is found in the roots and leaves of plants? a) Yes b) No 15) Light is needed for photosynthesis? a) True b) False 16) Starch is made from glucose a) True b) False 17) Proteins are made from glucose a) True b) False 18) which gas is needed for decay? a) nitrogen b) carbon dioxide c) oxygen d) sulphur e) helium

B4 quiz

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