6 Plant Nutrition. Question Paper. Save My Exams! The Home of Revision For more awesome GCSE and A level resources, visit us at
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1 For more awesome GSE and level resources, visit us at Plant Nutrition Question Paper Level Subject Exam oard Unit ooklet IGSE iology ambridge International Examinations 6 Plant Nutrition Question Paper Time llowed: 39 minutes Score: /32 Percentage: /100
2 For more awesome GSE and level resources, visit us at 1 In a photosynthesis experiment, a plant is left in bright sunlight for several hours. leaf is then removed from the plant and tested for starch, using iodine solution. The diagram shows the leaf from the plant that was used in the experiment. white area green area Which diagram shows the result of the experiment? key iodine solution turns blue / black iodine solution stays brown 2 Which substance, needed for protein synthesis, is carried into a leaf from the stem? carbon dioxide nitrate oxygen starch 3 Which two substances are the products of photosynthesis? carbon dioxide and glucose carbon dioxide and oxygen and carbon dioxide oxygen and glucose
3 For more awesome GSE and level resources, visit us at 4 Four test-tubes are set up as shown in the diagram and left in full sunlight. fter several hours, which test-tube contains the most dissolved oxygen? snail pond weed pond weed snail 5 Plants manufacture their own supplies of carbohydrate. What are the raw materials and the waste product of this process? raw materials carbon dioxide and chlorophyll carbon dioxide and oxygen and chlorophyll oxygen and waste product oxygen oxygen carbon dioxide carbon dioxide 6 plant with variegated leaves has the starch removed from its leaves by placing it in a dark cupboard for 48 hours. lack paper is then fixed on one leaf as shown and the plant is exposed to light. fter 24 hours, which part of the leaf contains starch? green region white region black paper on both sides of leaf
4 For more awesome GSE and level resources, visit us at 7 plant with striped leaves similar to the one below was kept in bright light for six hours. white stripe green stripe leaf was taken from the plant and the chlorophyll removed. It was then tested for starch using iodine solution. Which diagram shows the result of the test? yellow-brown white blue-black yellow-brown blue-black blue-black green green 8 pparatus was set up as shown. air to pump sodium hydroxide solution lime flask X plant black paper lime flask Y Sodium hydroxide removes carbon dioxide from the air. Lime goes cloudy if carbon dioxide is bubbled through it. What happens to the lime in flasks X and Y when the pump is switched on? flask X flask Y goes cloudy goes cloudy goes cloudy stays clear stays clear goes cloudy stays clear stays clear
5 For more awesome GSE and level resources, visit us at 9 The diagram shows a cross-section of part of a leaf. upper epidermis layer X midrib lower epidermis Which type of is found in layer X? 10 n experiment was done using the apparatus shown in the diagram. The carbon dioxide content of the in each tube was measured at the start and again three hours later. In which tube would there be a decrease in carbon dioxide content? plant black polythene to keep out light light light snail
6 For more awesome GSE and level resources, visit us at 11 What is formed first in a leaf as a result of photosynthesis? chlorophyll glucose starch 12 From which part of a leaf does most evaporate during transpiration? the cuticle the guard s the spongy mesophyll s the xylem vessels 13 Which substances are transported in the phloem? amino acids and starch amino acids and sucrose protein and starch starch and sucrose 14 Which product of photosynthesis moves out of a green leaf through its stomata? carbon dioxide glucose oxygen 15 What is carried by the xylem? chlorophyll mineral ions starch sugars 16 Which two substances are needed for photosynthesis? carbon dioxide and glucose carbon dioxide and oxygen and glucose oxygen and
7 For more awesome GSE and level resources, visit us at 17 Which process does not release? excretion photosynthesis respiration transpiration 18 The bar chart shows the average number of chloroplasts in each of three different types of leaf. average number of chloroplasts in each type of What are the three types of? guard palisade mesophyll spongy mesophyll palisade mesophyll spongy mesophyll guard spongy mesophyll guard palisade mesophyll spongy mesophyll palisade mesophyll guard
8 For more awesome GSE and level resources, visit us at 19 The diagram shows a palisade. In which region is starch stored? 20 The diagram shows the apparatus used in an investigation to measure the rate of oxygen production during photosynthesis. gas measuring cylinder bright light beaker glass funnel aquatic plant The investigation was repeated several times and the average amount of gas collected was calculated. Which two factors must be kept constant during this investigation? the amount of in the beaker and the height of the measuring cylinder the size of aquatic plant and the amount of gas in the measuring cylinder the size of aquatic plant and the duration of exposure to light the size of the beaker and the funnel
9 For more awesome GSE and level resources, visit us at 21 Which form of energy is stored within glucose molecules made during photosynthesis? chemical heat light mechanical 22 The diagram shows a with groups of bacteria around its edge. spiral-shaped chloroplast cytoplasm bacteria The bacteria move to areas of high oxygen concentration. Which process in the causes the bacteria to form these groups? digestion photosynthesis reproduction respiration 23 The diagram shows s from the epidermis of a leaf. P Q R S Which parts are partially permeable? P and Q Q and R R and S P and S
10 For more awesome GSE and level resources, visit us at 24 The roots of plants take up nitrates from the soil. What are the nitrates used to make? fat glucose protein starch 25 Which process does not release carbon dioxide to the atmosphere? decomposition of animals photosynthesis of plants respiration of animals respiration of plants 26 What does photosynthesis form in a leaf first? ulose protein starch sugar 27 The diagram shows a section through a leaf. Which type absorbs the most carbon dioxide during the day?
11 For more awesome GSE and level resources, visit us at 28 Which element is found in a molecule of chlorophyll? calcium iron lead magnesium 29 Which substances do root hairs take from the soil? and carbon dioxide and mineral ions carbon dioxide and oxygen and mineral ions carbon dioxide and oxygen and 30 Which type contains the most chloroplasts? palisade mesophyll phloem spongy mesophyll xylem
12 For more awesome GSE and level resources, visit us at 31 obalt chloride paper is blue when dry but turns pink when wet. Some blue cobalt chloride paper was fastened to the upper and lower surfaces of a leaf on a plant X and a leaf on plant Y. The diagram shows the results of the experiment time taken for cobalt chloride paper to turn pink / minutes upper surface plant X lower surface upper surface plant Y lower surface Through which leaf surface was lost most quickly? plant X, upper surface plant X, lower surface plant Y, upper surface plant Y, lower surface 32 What does a plant make with the nitrates it absorbs? carbohydrates fats mineral salts proteins
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