1) The substance that gives leaves their green colour is called? a) haemoglobin b) chloroplasts c) chlorophyll d) nitrogen 2) The process by which plants make their food is called? a) respiration b) photosynthesis c) deamination d) anabolism 3) Water loss from leaves is called? a) transpiration b) evaporation c) osmosis d) diffusion 4) Gases enter and leave the leaf by the process of. . .? a) osmosis b) diffusion c) transpiration d) evaporation 5) What gas is made by photosynthesis? a) ntirogen b) carbon dioxide c) oxygen d) hydrogen 6) What type vessel carries water in a plant? a) artery b) phloem c) xylem d) heart 7) Water movement through a plant is from the? a) leaves to the roots b) leaves to stems c) roots to leaves d) roots to stems 8) Water passes out of the leaves via openings called the? a) stomata b) stigmata c) stomach d) mouth 9) What substance is used to test the plant for the presence of starch? a) Indian solution b) Iodine solution c) Acrilyic d) Starch 10) Photosynthesis takes place in the? a) roots b) stems c) leaves d) root hairs 11) Where is photosynthesis mainly carried out? a) upper epidermis. b) cuticle c) mesophyll cell d) pallisade cells 12) Osmosis is when water moves from a) high concentration of water to low concentration of water molecules b) low concentration to high concentration of wate molecules c) high sugar concentration to a low sugar concentration d) high sugar concentration to high sugar concentration 13) Magnesium is also needed by plants, what is it needed for? a) to help make enzymes b) to make sugar c) to make water molecules d) to make chlorophyll molecules 14) What form must fertilisers be in so they can be taken up by plants? a) insoluble b) soluble c) solid d) gas 15) Plants deficient in nitrates have ... a) poor growth and yellow leaves b) poor root growth and discoloured leaves c) potassium - poor flower and fruit growth and discoloured leaves d) magnesium - yellow leaves 16) Which of the following farming methods is NOT an example of intensive farming a) fish farming b) biological control c) hydroponics d) battery farming 17) During osmosis, there is a net movement of water molecules through a ... a) partially permeable membrane b) pores c) channels d) wall 18) Cacti have a a) large surface area b) thin waxy cuticle c) lot of stomata d) thick waxy cuticle 19) Water is used by plants for. . a) drinking. b) moisturiser. c) shape and structure. d) respiration 20) Vascular bundles are made up of which types of cells? a) xylem and phloem. b) palisade and mesophyll c) phylem and xyloem d) stomata and pallisade cells

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