Coordinated Sciences - Assignment
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Added on 2021-06-30
Coordinated Sciences - Assignment
Added on 2021-06-30
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This document consists of 17 printed pages and 3 blank pages. IB10 06_0654_11/2RP © UCLES 2010 [Turn over*2392557306*UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education CO-ORDINATED SCIENCES 0654/11Paper 1 Multiple ChoiceMay/June 2010 45 minutes Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. A copy of the Periodic Table is printed on page 20. www.XtremePapers.com
2© UCLES 2010 0654/11/M/J/10 1 The diagram shows a section through a flower. Use the key to identify the flower. 1 flower with many ovules in each ovary ........... go to 2 flower with one ovule in each ovary ............... go to 3 2 filaments longer than styles ......................... Afilaments shorter than styles ........................ B3 petals shorter than sepals ........................... Cpetals longer than sepals ............................ D2The diagram shows part of a plant cell. In which region does most of the cell’s respiration occur? ABCD
3© UCLES 2010 0654/11/M/J/10 [Turn over3A plant, each leaf of which is green and white, is destarched. It is then placed in light with black paper over part of one leaf as shown. black paperwhite areagreen areaAfter 12 hours, the leaf is tested for starch using iodine solution. The diagram below shows the leaf after this test. black areaorange/brown areaWhere has photosynthesis occurred? A all areas covered by black paper B all areas not covered by black paper C green areas covered by black paper D green areas not covered by black paper 4Which part of the gut is in the form of a coiled tube? A large intestine B oesophagus C rectum D small intestine 5 In a balanced diet, which constituents provide most energy? A carbohydrate and protein B fat and carbohydrate C fat and fibre D vitamins and protein
4© UCLES 2010 0654/11/M/J/10 6The graph shows changes in his rate of breathing as a boy first walks on the level then climbs a long stair and then walks on the level again. startsto climbclimbingwalkingon levelwalkingon levelreachestopbreathsperminuteWhy does his breathing continue for a while at the higher rate after he reaches the top of the stairs? A He is oxidising lactic acid. B He still needs more energy. C His breathing muscles respond slowly. D More glucose is being used up. 7What would be the effect on the blood of an over-secretion of insulin? A high levels of glucose B high levels of urea C low levels of glucose D low levels of urea 8The diagram shows a person holding an apple. If the person decides to lift the apple, which labelled part is the effector? DappleAmuscleChandBnerve
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