w w w e tr .X m eP e ap .c rs om June 2003 GCE A AND AS LEVEL MARK SCHEME MAXIMUM MARK: 40 SYLLABUS/COMPONENT: 9700/01 BIOLOGY Paper 1 (Multiple Choice) Page 1 Mark Scheme A/AS LEVEL EXAMINATIONS – JUNE 2003 Syllabus 9700 Paper 1 Question Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Key D A C C A C D A B A B C B C D A D A C C Question Number 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Key D B B A C C B B C D A C C D B B D B B C
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Norms A norm is a form of behavior‚ a common form of behavior which most people in a society follow. Norms have generally been established over time‚ passed on from generation to generation and adapted to fit the changing social climate. Although norms are based on consensus‚ they are not fixed and unchangeable. Examples of norms in the UK include wearing a seatbelt‚ forming queues in an orderly fashion and being quiet when waiting in a doctor’s surgery. Of course‚ not everyone follows these norms
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Biology - Main Questions And Answers: Complete the table with a tick if the statement in the first column is true‚ for each process. Write a simple equation to show how ATP is synthesised from ADP: ADP + Pi ATP Give two ways in which the properties of ATP make it a suitable source of energy in biological processes: 1. Energy released in small/suitable amounts 2. Soluble 3. Involves a single/simple reaction Humans synthesise more than their body mass of ATP each day.
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IGCSE Biology 2012 exam revision notes by Samuel Lees Contents: Section I: Characteristics and classification of living organisms 1. Characteristics of living organisms 2. Classification and diversity of living organisms 2.1 Concept and use of a classificatory system 2.2 Adaptations of organisms to their environment 3. Simple Keys Section II: Organisation and maintenance of the organism 1. Cell structure and organisation 2. Levels of organisation 3. Size of specimens 4. Movement in and out
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Section 1 : Identifying the Genetic Material Griffith’s Experiments In 1928‚ Frederick Griffith‚ a bacteriologist‚ was trying to prepare a vaccine against pneumonia. A vaccine is a substance that is prepared from killed or weakened disease-causing agents‚ including certain bacteria. The vaccine is introduced into the body to protect the body against future infections by the disease-causing agent. Griffith discovered that harmless bacteria could turn virulent when mixed with bacteria that cause
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biology FOLIO BIOLOGY POLLUTION NIK ‘AINAA SYAKIRAH BT NIK GHAZALI 5 IBNU SINA INTRODUCTION Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical‚ chemical or biological characteristics of the natural environment‚ brought about when harmful substances or energy released by human activities. Pollution
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GCSE Technology & Design 2013 Campbell College‚ Belfast - Centre Number 71216 UNIT 4 - PRODUCT DESIGN – RESEARCH ( Page 1 ) Putting The Design Assignment In Context Who –This design is aimed towards drivers or passengers who travel in articulated or civilian vehicles What – A product that includes the function of being able to support 1 or more drinks containers Where – In the interior of the vehicle‚ that is within reach of the driver/passenger and attached to a surface that is able
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Subject Review Questions and Solutions 1. Capital markets may operate under auction‚ over-the-counter or intermediated modes. Distinguish between these types of operation. Auction markets require the financial asset to be identical in terms of risk and cashflow & liquidity – the assets are then traded on a centralised exchange where all parties know prices – an example is the stock exchange – each share in a particular company is identical to all the others therefore you can have an auction
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These are the key points in Learning Guide 1: The children and young people’s workforce is large and diverse. Its composition raises some important questions about who works with children and in what sort of organisations. Policy and legislation increasingly vary across the UK as devolution becomes more firmly established. It is important to understand the context most relevant to you‚ but valuable learning can also be drawn from comparing developments in different contexts and countries. Developing
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EXERCISE Question 1 a) Two point of charges of opposite sign and same magnitude 3.5 μC are separated by a distance of 5 cm. Find (i) the magnitude and direction of the electric field strength‚ E at the midpoint between the charges. (ii) the magnitude and direction of the force F on an electron placed at the midpoint. Answer: i) E net = 1.008x108 N/C toward the –ve charge ii) F net = 1.6128x10-11 N toward +ve charge
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