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This document consists of 17 printed pages and 3 blank pages. DC (CE/SG) 149584/3© UCLES 2018 [Turn over
Cambridge International Examinations Cambridge International General Certificate of Secondary Education
AGRICULTURE 0600/
Paper 1 October/November 2018 1 hour 45 minutes Additional Materials: Answer Booklet/Paper READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in.Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs.Do not use staples, paper clips, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Section A Answer all questions. Electronic calculators may be used.Write your answers in the spaces provided on the Question Paper. You are advised to spend no longer than 1 hour on Section A. Section B Answer any two questions. Write your answers on the Answer Booklet/Paper provided.Enter the numbers of the Section B questions you have answered in the grid. At the end of the examination, fasten all your work securely together.The number of marks is given in brackets [ ] at the end of each question or part question.
For Examiner’s Use Section A 1 2 3 4 5 6 7 8 9
Section B
Total
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Section A Answer all the questions in the spaces provided.
1 The diagram shows a soil profile.
D
C
B
A
(a) Select one letter from the diagram that represents each of the following. (i) underlying material .......................................................................................................................................[1] (ii) the labelled layer with most organic matter .......................................................................................................................................[1] (b) State two living things found in layer A of a soil profile. 1 ................................................................................................................................................ 2 ................................................................................................................................................ [2]
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2 (a) The diagram shows an effect of soil erosion.
Describe what is meant by the term soil erosion. ................................................................................................................................................... ...............................................................................................................................................[1] (b) State one possible cause of soil erosion. Suggest how to reduce the effects of this cause. cause ........................................................................................................................................ suggestion ................................................................................................................................ ................................................................................................................................................... ................................................................................................................................................... [2] (c) Suggest two reasons for irrigating crops. 1 ................................................................................................................................................ ................................................................................................................................................... 2 ................................................................................................................................................ ................................................................................................................................................... [2]
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(d) Crops can be affected by overwatering. Explain why. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ...............................................................................................................................................[2] [Total: 7]
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(e) Some flowers are able to self-pollinate. Suggest why it is still important that insects, such as bees, pollinate flowers. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ...............................................................................................................................................[2] [Total: 10]
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4 (a) The diagrams show weed seeds and fruit.
A B
C (not to scale) D (i) Which seed or fruit is dispersed by wind? Answer A, B, C or D .......................................................... [1] (ii) Select one other seed or fruit from the diagrams and suggest how it is dispersed. seed or fruit ....................................................................................................................... how dispersed ................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... [2]
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5 (a) Outline the process of photosynthesis. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ...............................................................................................................................................[4] (b) The graph shows the results of experiments to measure the rate of photosynthesis.
rate of photosynthesis
light intensity
experiment A experiment B
Suggest two reasons to explain the difference in rate of photosynthesis between the line for experiment A and the line for experiment B. 1 ................................................................................................................................................ ................................................................................................................................................... 2 ................................................................................................................................................ ................................................................................................................................................... [2] (c) Describe what is meant by the term translocation. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ...............................................................................................................................................[2] [Total: 8]
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6 The photograph shows a farmer pouring a chemical into the mixing tank of a sprayer.
(a) State one safety precaution used by the farmer and describe a reason for this. safety precaution ....................................................................................................................... reason ....................................................................................................................................... ................................................................................................................................................... [2] (b) (i) Give a reason why the sprayer should be cleaned after use. ........................................................................................................................................... .......................................................................................................................................[1] (ii) Describe how the sprayer should be cleaned after use to avoid pollution. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... .......................................................................................................................................[2] (c) Explain why using the correct dilution of chemical sprays is important. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ...............................................................................................................................................[2]
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7 (a) The diagram shows the food intake of a female farm animal over its reproductive cycle.
mating birth^ weaningmating
food intake / arbitrary units
time (i) State the food intake required at weaning. ...................................... arbitrary units [1] (ii) Give one reason why food intake increases after giving birth. ........................................................................................................................................... .......................................................................................................................................[1] (iii) Suggest a high-energy food material for this farm animal. .......................................................................................................................................[1] (b) Suggest why it is important that female dairy animals areadult herd. not underweight when joining the ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ...............................................................................................................................................[3] [Total: 6]
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8 (a) The diagram shows a cross-section of a maize seed. (i) Label the diagram using the following words. embryo endosperm seed coat
[3]
(ii) State the function of the endosperm. ........................................................................................................................................... .......................................................................................................................................[1] (b) Describe two environmental conditions required for the germination of maize. 1 ................................................................................................................................................ ................................................................................................................................................... 2 ................................................................................................................................................ ................................................................................................................................................... [2] [Total: 6]
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(c) (i) Suggest one problem for sheep of having parrot mouth. ........................................................................................................................................... .......................................................................................................................................[1] (ii) Describe how selective breeding could be used to produce a flock of sheep in which the condition of parrot mouth is very rare. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... .......................................................................................................................................[2] [Total: 9]
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Section B Answer any two questions. Write your answers on the separate paper provided.
10 (a) State what is meant by the term organic farming. [3] (b) Describe the benefits and limitations of organic crop production. [7] (c) Explain how crop pests are controlled in an organic farming system. [5]
11 (a) Describe the process of transpiration. [5] (b) Describe how environmental factors affect the rate of transpiration. [4] (c) Explain how plants store the products of photosynthesis. [6]
12 (a) Explain what is meant by the term notifiable disease and suggest why some diseases are notifiable. [3] (b) Describe the different ways disease can spread between livestock. [5] (c) Explain how to reduce the spread of disease between livestock. [7]
13 (a) State what is meant by the term rotational grazing. [4] (b) Describe how the use of livestock fencing can increase carrying capacity. [6] (c) Explain the problems of overstocking. [5]
14 (a) Describe what is meant by a loam soil. [3] (b) Explain why the water-holding capacity of a loam soil differs from a sandy soil. [6] (c) Explain why an effective water-drainage system is needed in a clay soil and describe methods to improve drainage in clay soils. [6]
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