Gcse Science Triple Award Pdf

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Centre Number Surname Other Names Candidate Signature

Candidate Number

For Examiner’s Use

Examiner’s Initials

Question

Mark

General Certificate of Secondary Education Foundation Tier January 2011

1 2 3 4 5 6 7 8

Applied Science (Double Award)
Unit 2 Science for the Needs of Society Written Paper Thursday 13 January 2011 For this paper you must have: a ruler. You may use a calculator.

APSC/2F

F

9.00 am to 10.30 am

9 TOTAL

Time allowed  1 hour 30 minutes Instructions  Use black ink or black ball-point pen.  Fill in the boxes at the top of this page.  Answer all questions.  You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages.  Do all rough work in this book. Cross through any work you do not want to be marked. Information The marks for questions are shown in brackets.  The maximum mark for this paper is 90.  You are expected to use a calculator where appropriate.  You are reminded of the need for good English and clear presentation in your answers. 



Advice In all calculations, show clearly how you work out your answer.

(JAN11APSC2F01)

G/J61181

6/6/6/6/6

APSC/2F

2 Answer all questions in the spaces provided.

Do not write outside the box

1

Medical scientists need to know how living organisms work. Living organisms are made up of cells.

1 (a)

The diagram shows an animal cell.

A B C

1 (a) (i)

Which label on the diagram, A, B or C, shows the nucleus? Write your answer in the box. (1 mark)

1 (a) (ii) Which label on the diagram, A, B or C, shows the cytoplasm? Write your answer in the box. (1 mark) 1 (b) All living organisms respire. Use words from the box to complete the word equation for respiration. Carbon dioxide Hydrogen Oxygen Salt Water

Glucose + .....................................  ..................................... + ....................................... (3 marks)

(02)

G/J61181/Jan11/APSC/2F

3 1 (c) Complete the sentences by drawing a ring around the correct line in each box. cells. 1 (c) (i) Living organisms respire to release energy. waste. (1 mark) diffusion. 1 (c) (ii) The substances needed for respiration move into the cells by active transport. breathing. (1 mark) 1 (d) One substance moves in and out of cells by osmosis. Use words from the box to complete the sentence. glucose high low water

Do not write outside the box

Osmosis is the movement of .......................................... from an area of .......................................... solute concentration to an area of .......................................... solute concentration through a semi-permeable membrane. (3 marks)

____ 10

Turn over for the next question

Turn over 

(03)

G/J61181/Jan11/APSC/2F

4 2 2 (a) 2 (a) (i) A nursery nurse is tidying up the play area of a nursery. There are many different types of mixture in the nursery. Draw a line from the name of each type of mixture to an example of that mixture. One line has been drawn for you. Type of mixture Example of mixture

Do not write outside the box

Solution Paint

Cup of coffee Foam

Whipped cream

Aerosol Spray polish (2 marks) 2 (a) (ii) Draw a line from the name of each type of mixture to its description. One line has been drawn for you. Type of mixture Solution Description of mixture Liquid spread out in a gas

Mixture of liquids that do not dissolve together Foam Solid dissolved in a liquid

Aerosol

Gas trapped inside a liquid (2 marks)

(04)

G/J61181/Jan11/APSC/2F

5 2 (b) The nursery nurse wanted to separate some mixtures that the children had made. Name the method that the nursery nurse could use to separate each of these mixtures: 2 (b) (i) salt and water .................................................................................................................... (1 mark)

Do not write outside the box

2 (b) (ii) sand and beads...
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