Movement of Substances in and out of cells

Size: px
Start display at page:

Download "Movement of Substances in and out of cells"

Transcription

1 Movement of Substances in and out of Cells Mark Scheme Level Subject Exam Board Unit Topic Difficulty Level Booklet GCSE Biology AQA B3 Movement of Substances in and out of cells Bronze Level Mark Scheme Time Allowed: 8 minutes Score: /8 Percentage: /00 Page

2 M.(a) (i) alveoli / alveolus allow air sacs allow phonetic spelling any one from: protection (of lungs / heart) help you breathe / inflate lungs. (i) diffusion capillaries (iii) any two from: (have many) alveoli allow air sacs large surface / area thin (exchange) surface or short diffusion pathway accept only one / two cell(s) thick good blood supply / many capillaries allow (kept) ventilated or maintained concentration gradient. [6] M.(a) (i) water / H O accept oxygen allow H O do not allow H O or HO (iii) the mineral ions are absorbed by active transport the absorption of mineral ions needs energy have (many root) hairs (which) give a large surface area (for absorption) Page

3 carbon dioxide in or oxygen out or control water loss accept gas exchange ignore gases in and out ignore gain / lose water (c) (i) guard cells (stomata are) closed allow there is no gap / space (iii) plant will wilt / droop ignore die [9] M3.(a) osmosis partially permeable (i) any two from: allow correct answers in terms of A vacuole is small(er) cytoplasm has shrunk allow cytoplasm is smaller gap between cytoplasm and cell wall cell wall curves inwards allow cell B is flaccid or cell A is turgid the (cell) membrane has moved away from the wall Page 3

4 any one from: water will move / diffuse in (cells) will swell (cells) will burst ignore turgid (c) villi give the small intestines a large surface area villi have many blood capillaries [7] M4.(a) (i) (37C is the same as human) body temperature any one from: urea glucose sodium ignore water (iii) (as they are) small enough to pass through (the membrane) allow because there is a high concentration in the fake blood and a low concentration in the water (so will diffuse across) (iv) glucose any two from: Page 4

5 don t have to go to hospital or done at home rather than hospital less effect on lifestyle / can be mobile always filtering urea out continuous is insufficient don t need a medical professional (to do it for you) allow takes a shorter time allow does not have to be connected to blood vessels ignore less painful [6] M5.(a) (i) diffusion apply list principle A apply list principle (i) osmosis apply list principle R apply list principle [4] M6.(a) (i) capillary diffusion Page 5

6 (i) Z ignore any names large / increased surface / area allow all food absorbed or to absorb more food or improved diffusion [4] M7. (a) (i) capillary diffusion (iii) Carbon dioxide low(er) high(er) Oxygen high(er) low(er) mark for each correct row (i) red blood cells haemoglobin Page 6

7 [6] M8. (a) transpiration (i) 00 correct answer with or without working if answer incorrect: allow mark for 8 5 or allow mark for answer from candidate s count 5 R allow P or Q if candidate s answer to (i) nearer to value for one of those do not allow R if the answer to (i) would give an answer of P or Q allow R if (i) is blank (iii) few stomat allow no stomata on upper surface / all stomata on lower surface little / less transpiration or little / less water (vapour) loss / enable water to be retained allow no water loss from upper surface [6] Page 7

8 M9. (a) 4 correct = 4 marks 3 correct = 3 marks correct = marks correct = mark extra line from a structure cancels the mark 4 diffusion [5] M0. (a) transpiration increase then decrease maximum rate at ( C ) / (grams per day) any figure in these ranges Page 8

9 (c) (i) reduce water loss / prevent wilting allow stops water loss C [5] M. (a) (i) diffusion A (i) osmosis R [4] M. (a) (i) capillary diffusion Page 9

10 (i) Z ignore any names large / increased surface / area / or to absorb more food or improved diffusion allow all food absorbed [4] M3. (a) (i) villus its outer surface is one cell thick cancel mark for each extra box ticked it has a large surface area it has good blood supply diffusion [5] Page 0

11 M4. (a) (i) root hair any two from: ignore food water ions / minerals / nutrients / salts / correct named eg nitrates ignore N,P,K oxygen (i) stomata diffusion [5] M5. (a) B Narrow(er) small(er) / thin(ner)(air) passages / bronchioles allow muscle fibres are contracted allow oxygen instead of air or less air can pass through ignore reference to surface area or harder for air to enter (c) (i) salbutamol causes relaxation / reduces contraction Page

12 widens / enlarges / bronchioles / (air) passages allow oxygen instead of air or allows air through more easily or allows person to breathe more easily [4] M6. (a) B C (c) D (d) (i) upwards / outwards flattened oxygen / carbon dioxide [6] Page

13 M7. (a) ions accept urea (i) D 0.9: accept 9:0 6: (iii) C allow ecf from (c) 78 dm 3 (d) Comp. with Man A The same Higher Lower urine concentration extra box ticked in any row cancels the mark for that row [8] Page 3

14 M8. (a) (i) 0 M water entered cells by osmosis because the concentration of water outside cells was higher than inside the cells 0.5 M because the chip did not change mass in this solution [5] M9. (a) (i) (D) greatest loss in mass in a given time (yes) leaves B and C both lost mass (i) stomata accept stoma there are no stomata on upper surface and most water is lost via stomata Page 4

15 so blocking the stomata on leaf B will reduce the water loss compared with leaf C [5] M0. (a) A = alveolus allow air sac / alveoli B = diaphragm ignore labelling of C and D A (c) (i) red blood cells plasma [5] M. (a) root hair (i) 85 if incorrect unit added = ignore working or lack of working Page 5

16 accept correct answer from candidate s (i) for marks with no answer or wrong answer gains mark accept ecf (iii) absorb more water / ions allow get / collect / take in / take up / soak up / suck up for absorb allow lots for more allow moisture for water allow minerals / salts / nutrients for ions do not allow food or named foods absorb water / ions gains mark or large surface area to absorb water / ions () large surface area linked to incorrect function = ignore small so short diffusion pathway [6] M. (a) B = rib C = diaphragm (i) D allow lower case carbon dioxide [4] Page 6

17 M3. (a) (i) on diagram: arrow drawn from cell X, through air space and out through stoma above stoma transpiration (i) 3 5 ignore units any two from: warmest / hottest / brightest time of day accept warmer / hotter or sun higher in sky water evaporates fastest stomata open / more open [5] M4. (a) (i) increased / thick(er) allow more / wide(r) / broad decreased IGNORE working or lack of working correct figures from table. and. but no answer / wrong answer = mark [4] Page 7

18 M5. (a) (i) 0 osmosis 0.5 no change in mass / weight allow chip / it stays the same or no (net) osmosis / same amount of water in and out (c) repeat / use more chips in each solution allow use of other people s results do not allow get more results unqualified do not allow leave longer / use more concentrations / better instrumentation [5] M6. (a) (i) red cell diffusion Page 8

19 (iii) (iv) haemoglobin a nucleus (on diagram) arrow from any part of blood to air [5] M7. any two from: more or most ions / sodium / chloride or replaces ions / sodium / chloride do not accept more ions / sodium / chloride for energy lost in sweat to keep blood concentration constant less sugar therefore less chance of sugar rush [] M8. (a) correctly labelled on diagram (i) X on an alveolus centre of X on the alveolus wall or inside the alveolus not if the centre is outside arrow pointing downwards accept anywhere but must point down Page 9

20 in sequence trachea bronchi 3 bronchioles 4 alveoli (c) diffusion accept positive indicator [4] M9. (a) 94.8 (i) to cool (the body) / maintain (body) temperature do not accept let out heat (iii) water and ions water ignore CO, and vapour (c) any two from: used in respiration provides energy (energy) needed for movement / running / muscle action Page 0

21 [6] M30. (i) On diagram: oxygen arrow to blood from air and CO arrow to air from blood oxygen arrow to red blood cell CO arrow from plasma diffusion (iii) large surface or large area do not accept space [5] M3. in correct sequence: breathing diffusion respiration [3] Page

22 M3. Quality of written communication for ideas given in a sensible order; comparison made for geranium and cactus for each feature(ie not just list for geranium followed by list for cactus) + linking of feature & explanation any four features + explanations from: Feature cactus has: thicker cuticle smaller surface area fewer stomata stomata open at night / closed in day more widespread roots more water storage tissue accept converse points for geranium plant Explanation waterproof / keeps water in less water loss / less heat absorbed less water loss (closed when warmest) so less water loss quickly absorbs water (after rain) / access to bigger area for absorbing water / absorb more water little water available in environment / can survive drought / avoids dehydration 4 [5] Page

23 M33. (i) oxygen into the blood stream arrow must start inside alveolus and finish outside the capillary carbon dioxide out of the blood stream arrow must start inside the capillary and finish inside the alveolus (iii) carries/takes up/releases oxygen or carbon dioxide accept forms oxyhaemoglobin [3] M34. (a) falls from 0.5 to 0.9 but by 0.06 gains two marks if neither figure given, accept steadily / at constant rate for one mark accept mass of oxygen inversely related / negative correlation to height above sea level for marks (i).8 accept correct readings from graph for (5 and 6.8) if Page 3

24 subtraction incorrect for one mark allow one mark for correct subtraction from incorrect readings (blood can carry) more oxygen [6] M35. (a) (i) trachea accept windpipe (left) lung or lungs do not credit right lung carbon dioxide or water vapour do not credit just water oxygen answers in terms of used air or fresh air or of temperature differences are not acceptable [4] ## (a) oxygen passes from the air/lungs into the body gains mark but Page 4

25 oxygen passes from the air/lungs into the blood gains marks carbon dioxide passes from the body into the air/lungs gains mark but carbon dioxide passes from the blood into the air/lungs gains marks 4 increased/5% more gains mark but 6 times more (in air breathed out) gains marks [6] Page 5

Transport Systems in Plants and Animals

Transport Systems in Plants and Animals Transport Systems in Plants and Animals Mark Scheme Level Subject Exam Board Unit Topic Difficulty Level Booklet GCSE Biology AQA B3 Transport Systems in Plants and Animals Bronze Level Mark Scheme Time

More information

AQA B3.1 Movement of molecules in and out of cells LEVEL 1 Q

AQA B3.1 Movement of molecules in and out of cells LEVEL 1 Q AQA B3.1 Movement of molecules in and out of cells LEVEL 1 Q 154 minutes 154 marks Page 1 of 44 Q1. The table shows the percentage of some gases in the air a boy breathed in and out. Gases Air breathed

More information

3.5 Unit 3: Biology 3 B3.1.1 Dissolved Substances

3.5 Unit 3: Biology 3 B3.1.1 Dissolved Substances 3.5 Unit 3: Biology 3 B3.1.1 Dissolved Substances Substances are sometimes absorbed against a concentration gradient. This requires the use of energy from respiration. The process is called active transport.

More information

The diagram below shows the parts of the body that digest and absorb food.

The diagram below shows the parts of the body that digest and absorb food. The diagram below shows the parts of the body that digest and absorb food. It also shows some details about the structure of the stomach. (a) Complete the table to show whether each structure is an organ,

More information

Page 2. Q1.Substances can move into and out of cells. (a) (i) How does oxygen move into and out of cells? Draw a ring around one answer.

Page 2. Q1.Substances can move into and out of cells. (a) (i) How does oxygen move into and out of cells? Draw a ring around one answer. Q1.Substances can move into and out of cells. (a) (i) How does oxygen move into and out of cells? Draw a ring around one answer. diffusion digestion photosynthesis (ii) Diagram 1 shows the percentage concentration

More information

(a) (i) Describe how the structure of an artery is different from the structure of a vein.

(a) (i) Describe how the structure of an artery is different from the structure of a vein. The circulatory system contains arteries and veins. (a) (i) Describe how the structure of an artery is different from the structure of a vein. (2) A comparison is made between blood taken from an artery

More information

M1. (a) (concentration high) in the hepatic portal vein is blood with glucose absorbed from the intestine 1

M1. (a) (concentration high) in the hepatic portal vein is blood with glucose absorbed from the intestine 1 M. (a) (concentration high) in the hepatic portal vein is blood with glucose absorbed from the intestine concentration is lower in the hepatic vein because insulin (has caused) glucose to be converted

More information

The diagram shows four ways in which molecules may move into and out of a cell. The dots show the concentration of molecules.

The diagram shows four ways in which molecules may move into and out of a cell. The dots show the concentration of molecules. The diagram shows four ways in which molecules may move into and out of a cell. The dots show the concentration of molecules. The cell is respiring aerobically. Which arrow, A, B, C or D, represents: (i)

More information

Describe two ways in which the cell in the strong sugar solution is different from the cell in distilled water.

Describe two ways in which the cell in the strong sugar solution is different from the cell in distilled water. The diagram shows the same plant cell: after hour in distilled water after hour in strong sugar solution. Describe two ways in which the cell in the strong sugar solution is different from the cell in

More information

(a) (i) Structures A and B are found in both the animal cell and the bacterial cell. B... (2)

(a) (i) Structures A and B are found in both the animal cell and the bacterial cell. B... (2) 1 The diagrams show an animal cell and a bacterial cell. (a) (i) Structures A and B are found in both the animal cell and the bacterial cell. Use words from the box to name structures A and B. cell membrane

More information

AQA B3.1 Movement of molecules in and out of cells LEVEL 3

AQA B3.1 Movement of molecules in and out of cells LEVEL 3 AQA B3.1 Movement of molecules in and out of cells LEVEL 3 128 minutes 128 marks Page 1 of 29 Q1. Plants need chemical energy for respiration and for active transport. (i) Write a balanced chemical equation

More information

Movement of Substances in and out of Cells

Movement of Substances in and out of Cells Movement of Substances in and out of Cells Mark Scheme Level Subject Exam Board Unit Topic Difficulty Level Booklet GCSE Biology AQA B3 Movement of Substances in and out of Cells Gold Level Mark Scheme

More information

Angel International School - Manipay

Angel International School - Manipay c Grade 10 Angel International School - Manipay 1 st Term Examination November 2016 Biology Duration: 3Hours Index No:- Choose the correct answer and underline it. (1) When a red stain is added to a culture

More information

Separate Science Revision & Exam Practice

Separate Science Revision & Exam Practice AS Level Biology Summer Work Separate Science Revision & Exam Practice The booklet needs to be completed and handed in as part of the enrolment process on Thursday 20 th August 2015 Please ensure your

More information

Cell Structure and Function Exam Study Guide Part I

Cell Structure and Function Exam Study Guide Part I Cell Structure and Function Exam Study Guide Part I 1. Which image best depicts the hot water, which the cold? 2. What is the relationship between temperature and the speed of molecular motion? 3. If a

More information

BLY3F. (Jun10BLY3F01) General Certificate of Secondary Education Foundation Tier June Unit Biology B3. Written Paper TOTAL

BLY3F. (Jun10BLY3F01) General Certificate of Secondary Education Foundation Tier June Unit Biology B3. Written Paper TOTAL Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Question Mark General Certificate of Secondary Education Foundation Tier June 2010 1 2 Biology

More information

There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 C.

There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 C. There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 C. The enzymes in biological washing powders do not work on the stains on clothes at temperatures

More information

3 Movement in and out of cells

3 Movement in and out of cells For more awesome GSE and level resources, visit us at www.savemyexams.co.uk/ Movement in and out of cells Question Paper Level IGSE Subject iology Exam oard ambridge International Examinations Unit 3 Movement

More information

remove solution / liquid (on outside of worm) allow water variable amounts removed from each worm ignore reference to length of timing 1

remove solution / liquid (on outside of worm) allow water variable amounts removed from each worm ignore reference to length of timing 1 M. (a) (i) variation in masses / more representative / more typical / more reliable / average / mean / reference to anomalies or one worm to light to measure change do not allow more accurate / more precise

More information

Many people suffer from stomach ulcers caused by a species of bacteria called Helicobacter pylori.

Many people suffer from stomach ulcers caused by a species of bacteria called Helicobacter pylori. The diagram below shows the human digestive system. (a) (b) Label the stomach and pancreas on the diagram. Many people suffer from stomach ulcers caused by a species of bacteria called Helicobacter pylori.

More information

BL3FP. (Jun14BL3FP01) General Certificate of Secondary Education Foundation Tier June Unit Biology B3 TOTAL. Time allowed 1 hour

BL3FP. (Jun14BL3FP01) General Certificate of Secondary Education Foundation Tier June Unit Biology B3 TOTAL. Time allowed 1 hour Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Question Mark Biology Unit Biology B3 Tuesday 13 May 2014 For this paper you must have: a ruler.

More information

A Level. A Level Biology. AQA, OCR, Edexcel. Gas Exchange, Transport, Circulation and Haemoglobin Answers. Name: Total Marks: Page 1

A Level. A Level Biology. AQA, OCR, Edexcel. Gas Exchange, Transport, Circulation and Haemoglobin Answers. Name: Total Marks: Page 1 AQA, OCR, Edexcel A Level A Level Biology Gas Exchange, Transport, Circulation and Haemoglobin Answers Name: Total Marks: Page 1 M1.(a) Measure with eyepiece graticule / scale; Calibrate with stage micrometer

More information

Animal tissues, organs and organ Systems

Animal tissues, organs and organ Systems Animal tissues, organs and organ Systems Mark Scheme Level GCSE (9-) Subject Biology Exam Board AQA Topic 4.2 Organisation Sub-Topic Animal tissues, organs and organ systems Difficulty Level Bronze Level

More information

Mark Scheme. Additional Science 4463 / Biology General Certificate of Secondary Education. BLY2F Unit Biology examination June series

Mark Scheme. Additional Science 4463 / Biology General Certificate of Secondary Education. BLY2F Unit Biology examination June series Version: 04/08/20 General Certificate of Secondary Education Additional Science 4463 / Biology 44 Unit Biology 2 Mark Scheme 20 examination June series Mark schemes are prepared by the Principal Examiner

More information

B3 Essential Questions - Answers

B3 Essential Questions - Answers B3 Essential Questions - Answers M. any four from molecules / ions do not credit mineral salts move(d) through / across the cell wall / membrane against (a / the) concentration gradient by a series of

More information

Exampro GCSE Biology. B2.1 Cells. Name: Class: Foundation tier. Author: Date: Time: 81. Marks: 81. Comments: Page 1 of 27

Exampro GCSE Biology. B2.1 Cells. Name: Class: Foundation tier. Author: Date: Time: 81. Marks: 81. Comments: Page 1 of 27 Exampro GCSE Biology B2. Cells Foundation tier Name: Class: Author: Date: Time: 8 Marks: 8 Comments: Page of 27 Q. Diabetes is a disease in which the concentration of glucose in a person s blood may rise

More information

Movement of substances across the cell membrane

Movement of substances across the cell membrane Ch 4 Movement of substances across the cell membrane Think about (Ch 4, p.2) 1. The structure of the cell membrane can be explained by the fluid mosaic model. It describes that the cell membrane is mainly

More information

Exchange of materials

Exchange of materials Exchange of materials 1 During marathon races, athletes are advised to drink sports drinks. Choose the correct words from the list below to complete the sentences. alcohol fat ions protein starch sugar

More information

GCSE Biology. BL3HP Mark scheme June Version 1.0: Final Mark Scheme

GCSE Biology. BL3HP Mark scheme June Version 1.0: Final Mark Scheme GCSE Biology BL3HP Mark scheme 440 June 206 Version.0: Final Mark Scheme Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject

More information

INTERNATIONAL TURKISH HOPE SCHOOL ACADEMIC YEAR CHITTAGONG SENIOR SECTION BIOLOGY HANDOUT OSMOSIS, DIFFUSION AND ACTIVE TRANSPORT CLASS 9

INTERNATIONAL TURKISH HOPE SCHOOL ACADEMIC YEAR CHITTAGONG SENIOR SECTION BIOLOGY HANDOUT OSMOSIS, DIFFUSION AND ACTIVE TRANSPORT CLASS 9 INTERNATIONAL TURKISH HOPE SCHOOL 2014 2015 ACADEMIC YEAR CHITTAGONG SENIOR SECTION BIOLOGY HANDOUT OSMOSIS, DIFFUSION AND ACTIVE TRANSPORT CLASS 9 Name :... Date:... d) Movement of substances into and

More information

Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like

Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like Page 95»Question» Question 1: Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans? Multicellular organisms such as humans possess complex body designs.

More information

Low Demand Questions QUESTIONSHEET 1 The diagrams show some organs in the human body.

Low Demand Questions QUESTIONSHEET 1 The diagrams show some organs in the human body. Low Demand Questions QUESTIONSHEET 1 The diagrams show some organs in the human body. (a) Name the organs labelled A, B, C, D and E. A.... [1] B.... [1] C.... [1] D.... [1] E.... [1] (b) Which of the organs

More information

1. How many fatty acid molecules combine with a glycerol to form a phospholipid molecule? A. 1 B. 2 C. 3 D. 4

1. How many fatty acid molecules combine with a glycerol to form a phospholipid molecule? A. 1 B. 2 C. 3 D. 4 Topic 3: Movement of substances across cell membrane 1. How many fatty acid molecules combine with a glycerol to form a phospholipid molecule? A. 1 B. 2 C. 3 D. 4 Directions: Questions 2 and 3 refer to

More information

Cells and Simple Transport Revision 2

Cells and Simple Transport Revision 2 Cells and Simple Transport Revision 2 46 minutes 46 marks Page of 8 Q. The diagram shows a cell from a plant leaf. (a) Name structures A and B. A... B... (2) Structure C is a chloroplast. What is the function

More information

LIFE PROCESSES TRANSPORT OF MATERIALS IN ANIMALS AND PLANTS

LIFE PROCESSES TRANSPORT OF MATERIALS IN ANIMALS AND PLANTS 1 LIFE PROCESSES TRANSPORT OF MATERIALS IN ANIMALS AND PLANTS I. Multiple choice questions: Tick ( ) the correct choice. 1. Human heart has (a) one auricle and one ventricle (b) two auricles and one ventricle

More information

2 Organisation higher (import)

2 Organisation higher (import) 2 Organisation higher (import) Name: Class: Date: Time: 56 minutes Marks: 56 marks Comments: Page of 2 The number of people in the UK with tumours is increasing. (a) (i) Describe how tumours form. () Tumours

More information

AQA B3.3 Homeostasis LEVEL 1

AQA B3.3 Homeostasis LEVEL 1 AQA B3.3 Homeostasis LEVEL 1 176 minutes 176 marks Page 1 of 48 ## (a) The table shows the compounds and ions dissolved in a student s urine. Compound or ion Percentage of total urea 60 negative ions 25

More information

Movement of substances

Movement of substances 1 How does oxygen move in and out of cells? 2 Name the enzyme produced in salivary glands. 3 How are cells found in salivary glands adapted to produce amylase? Diffusion Amylase Many ribosomes which produce

More information

Section 3. Organisms exchange substances with their environment. Chapter titles 6 Exchange 7 Mass transport. Introduction. Working scientifically

Section 3. Organisms exchange substances with their environment. Chapter titles 6 Exchange 7 Mass transport. Introduction. Working scientifically Section 3 Organisms exchange substances with their environment Chapter titles Exchange 7 Mass transport Introduction All cells and organisms exchange material between themselves and their environment.

More information

Conditions inside the body must be kept constant. Urea must be removed from the body. Name the organ which makes urea.

Conditions inside the body must be kept constant. Urea must be removed from the body. Name the organ which makes urea. Conditions inside the body must be kept constant. (a) Urea must be removed from the body. (i) Name the organ which makes urea. () Which organ removes urea from the body? () (iii) What is urea made from?

More information

MARK SCHEME for the October/November 2015 series 5090 BIOLOGY. 5090/21 Paper 2 (Theory), maximum raw mark 80

MARK SCHEME for the October/November 2015 series 5090 BIOLOGY. 5090/21 Paper 2 (Theory), maximum raw mark 80 CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge Ordinary Level MARK SCHEME for the October/November 2015 series 5090 BIOLOGY 5090/21 Paper 2 (Theory), maximum raw mark 80 This mark scheme is published as

More information

Contact us:

Contact us: Class X Chapter 6 Life Processes Science Question 1: Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans? Multicellular organisms such as humans possess

More information

PART A: MULTIPLE CHOICE (100 questions 65% of exam mark)

PART A: MULTIPLE CHOICE (100 questions 65% of exam mark) 1 PART A: MULTIPLE CHOICE (100 questions 65% of exam mark) I: Wellness and Homeostasis 1. Determine the false statement about homeostasis. A) Homeostasis refers to the body s attempt to adjust to a fluctuating

More information

Chapter 1 : Respiration C D

Chapter 1 : Respiration C D Name :. hapter 1 : Respiration Form :. ate :. 1. group of students built a model of the human respiratory system to investigate the mechanism of breathing in and breathing out. (2004) Which of the following

More information

Name: B1 Cell Biology. Class: 35 Questions. Date: Time: Marks: Comments: Brookvale Groby Learning Trust

Name: B1 Cell Biology. Class: 35 Questions. Date: Time: Marks: Comments: Brookvale Groby Learning Trust B Cell Biology 35 Questions Name: Class: Date: Time: Marks: Comments: Page of 88 Figure shows an animal cell. Figure (a) What is structure A? Tick one box. alex-mit/istock/thinkstock Cell membrane Cell

More information

Cambridge O Level Biology Syllabus code 5090 All candidates enter for three papers Papers 1 and 2 and Paper 6. PAPER 1 Multiple Choice

Cambridge O Level Biology Syllabus code 5090 All candidates enter for three papers Papers 1 and 2 and Paper 6. PAPER 1 Multiple Choice 1 Dawood Public School Syllabus for 2010 2011 Class IX Subject Biology Books: Kwan.L. 2000, Comprehensive Biology(3 ed),singapore; Federal Publication Mackean.D, GCE O Level Biology, Oxford University

More information

sphere A diameter / cm 1 3 (i) The student calculated the surface area: volume ratio of sphere B as 2:1.

sphere A diameter / cm 1 3 (i) The student calculated the surface area: volume ratio of sphere B as 2:1. 1. A student investigated how the surface area of a single-celled organism is related to its volume. The student used two spheres, A and B, as models of two organisms. The surface area and volume of each

More information

Ch 9 Transport of substances in humans

Ch 9 Transport of substances in humans Ch 9 Transport of substances in humans Think about (Ch 9, p.2) 1. Blood transports various substances and distributes heat around the body. It also plays a role in body defence. 2. Blood is a liquid tissue

More information

Science Class 8 Topic: Respiration And Circulation Reinforcement Worksheet

Science Class 8 Topic: Respiration And Circulation Reinforcement Worksheet Science Class 8 Topic: Respiration And Circulation Reinforcement Worksheet Name: Sec: Date: Q1. MCQs. 1) Which type of blood vessels carries blood away from the heart? a) Veins b) Arteries c) Capillaries

More information

Oxygen Carbon dioxide Water vapour Nitrogen

Oxygen Carbon dioxide Water vapour Nitrogen 1. The table shows the percentage of various gases in atmospheric air, exhaled air and in air samples collected from the alveoli and the trachea of a healthy human. Gas Atmospheric air(inhaled air) Exhaled

More information

PMT. GCE Biology. Unit F211: Cells, Exchange and Transport. Advanced Subsidiary GCE. Mark Scheme for June Oxford Cambridge and RSA Examinations

PMT. GCE Biology. Unit F211: Cells, Exchange and Transport. Advanced Subsidiary GCE. Mark Scheme for June Oxford Cambridge and RSA Examinations GCE Biology Unit F211: Cells, Exchange and Transport Advanced Subsidiary GCE Mark Scheme for June 2015 Oxford Cambridge and RSA Examinations OCR (Oxford Cambridge and RSA) is a leading UK awarding body,

More information

Chapter 2: Human Body Systems Work Independently and Together

Chapter 2: Human Body Systems Work Independently and Together Chapter 2: Human Body Systems Work Independently and Together 2.1 Body Systems Body systems Are made up of parts that work together as a whole Are connected to one or more other Will not function well

More information

Q1. (a) The diagrams show cells containing and surrounded by oxygen molecules. Oxygen can move into cells or out of cells.

Q1. (a) The diagrams show cells containing and surrounded by oxygen molecules. Oxygen can move into cells or out of cells. Q. (a) The diagrams show cells containing and surrounded by oxygen molecules. Oxygen can move into cells or out of cells. Into which cell, A, B, C or D, will oxygen move the fastest? Write your answer,

More information

3.5 Unit 3: Biology 3

3.5 Unit 3: Biology 3 .5 Unit : Biology We need to understand how biological and environmental systems operate when they are working well in order to be able to intervene when things go wrong. Modern developments in biomedical

More information

MARK SCHEME for the October/November 2012 series 0610 BIOLOGY. 0610/23 Paper 2 (Core Theory), maximum raw mark 80

MARK SCHEME for the October/November 2012 series 0610 BIOLOGY. 0610/23 Paper 2 (Core Theory), maximum raw mark 80 CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education www.xtremepapers.com MARK SCHEME for the October/November 2012 series 0610 BIOLOGY 0610/23 Paper 2 (Core Theory),

More information

MARK SCHEME MAXIMUM MARK : 40 SYLLABUS/COMPONENT : 0610/6 BIOLOGY (ALTERNATIVE TO PRACTICAL)

MARK SCHEME MAXIMUM MARK : 40 SYLLABUS/COMPONENT : 0610/6 BIOLOGY (ALTERNATIVE TO PRACTICAL) NOVEMBER 2001 INTERNATIONAL GCSE MARK SCHEME MAXIMUM MARK : 40 SLLABUS/COMPONENT : 0610/6 BIOLOG (ALTERNATIVE TO PRACTICAL) Page 1 of 4 Mark Scheme Syllabus Paper 1 (a) (i) potato strip A in water to remain

More information

TEST. Directions: Circle the letter indicating whether the following statements are either true ("T") or false ("F").

TEST. Directions: Circle the letter indicating whether the following statements are either true (T) or false (F). TEST Directions: Circle the letter indicating whether the following statements are either true ("T") or false ("F"). T F 1. A closed glass jar of pickles is a closed system. T F 2. Cellular respiration

More information

Aerobic and Anaerobic Respiration Revision 1

Aerobic and Anaerobic Respiration Revision 1 Aerobic and Anaerobic Respiration Revision 57 minutes 57 marks Page of 23 Q. An athlete did a 6-month training programme. The graph shows the effect of the same amount of exercise on his heart rate before

More information

Unit 6.1 Test Review - Teacher THE NERVOUS, INTEGUMENTARY, CIRCULATORY, AND RESPIRATORY SYSTEMS

Unit 6.1 Test Review - Teacher THE NERVOUS, INTEGUMENTARY, CIRCULATORY, AND RESPIRATORY SYSTEMS Name: Period: Due Date: Unit 6.1 Test Review - Teacher THE NERVOUS, INTEGUMENTARY, CIRCULATORY, AND RESPIRATORY SYSTEMS The Nervous System: 1. What are the 3 parts of a neuron and what do they do? Dendrites:

More information

Science Class 8 Topic: Respiration and Circulation Reinforcement Worksheet

Science Class 8 Topic: Respiration and Circulation Reinforcement Worksheet Science Class 8 Topic: Respiration and Circulation Reinforcement Worksheet Name: Sec: Date: Q.1 Choose the best answer. 1) Which type of blood vessels carries blood away from the heart? a) veins b) arteries

More information

The Human Respiration System

The Human Respiration System The Human Respiration System Nasal Passage Overall function is to filter, warm and moisten air as it enters the body. The nasal passages are the primary site of air movement we tend to be nose breathers.

More information

Equipment on table: Pen, ruler, pencil and planner.

Equipment on table: Pen, ruler, pencil and planner. Question 1 Name two flat bones and, using a sporting action of your choice, suggest how these bones provide protection during performance. Question 2 Describe 4 ranges of movement. Question 3 Question

More information

Page 1 of 32

Page 1 of 32 Page of 3 Mark schemes (a) (i) A = cytoplasm B = (cell) membrane nucleus accept chromosome / DNA / genes accept phonetic (b) 3 [6] (a) B (b) D (c) A [3] 3 (a) (i) (cell) membrane vacuole Page of 3 (b)

More information

Tuesday, December 13, 16. Respiratory System

Tuesday, December 13, 16. Respiratory System Respiratory System Trivia Time... What is the fastest sneeze speed? What is the surface area of the lungs? (hint... think of how large the small intestine was) How many breaths does the average person

More information

Organisation. AQA Biology topic 2

Organisation. AQA Biology topic 2 Organisation AQA Biology topic 2 2.1 Principles of Organisation Cells, tissues, organs and systems Basically, all living things are made up of cells A group of CELLS makes up a TISSUE A group of TISSUES

More information

UR Revision Guide. igcse Biology. Page 1

UR Revision Guide. igcse Biology. Page 1 UR Revision Guide igcse Biology 1 Photosynthesis Summary Green plants and algae use light energy to make their own food. They obtain the raw materials they need to make this food from the air and the soil.

More information

Chapter 11 The Respiratory System

Chapter 11 The Respiratory System Biology 12 Name: Respiratory System Per: Date: Chapter 11 The Respiratory System Complete using BC Biology 12, page 342-371 11.1 The Respiratory System pages 346-350 1. Distinguish between A. ventilation:

More information

Maintained by plasma membrane controlling what enters & leaves the cell

Maintained by plasma membrane controlling what enters & leaves the cell CELL TRANSPORT AND HOMEOSTASIS Homeostasis Balanced internal condition of cells Also called equilibrium Maintained by plasma membrane controlling what enters & leaves the cell Functions of Plasma Membrane

More information

Circulation, blood and heart

Circulation, blood and heart Circulation, blood and heart Name: Class: Date: Time: 35 minutes Marks: 35 marks Comments: Level,2 and 3. Increasing demand Q. (a) List A gives four structures in the human body. List B gives the functions

More information

A Level. A Level Biology. AQA, OCR, Edexcel. Gas Exchange, Transport, Circulation and Haemoglobin Questions. Name: Total Marks: Page 1

A Level. A Level Biology. AQA, OCR, Edexcel. Gas Exchange, Transport, Circulation and Haemoglobin Questions. Name: Total Marks: Page 1 AQA, OCR, Edexcel A Level A Level Biology Gas Exchange, Transport, Circulation and Haemoglobin Questions Name: Total Marks: Page 1 Q1.Scientists investigated the effect of lipase and a 3% bile salts solution

More information

Year 11AA 11A1. Success criteria for all assessments (assessments will be every 6 weeks): A* = 90% + A = 80 89% B = 70 79% C = 60 69% D = 50 59%

Year 11AA 11A1. Success criteria for all assessments (assessments will be every 6 weeks): A* = 90% + A = 80 89% B = 70 79% C = 60 69% D = 50 59% Year 11AA 11A1 Success criteria for all assessments (assessments will be every 6 weeks): A* = 90% + A = 80 89% B = 70 79% C = 60 69% D = 50 59% E = 40 49% Note: assessments are linear. For example, the

More information

Diffusion and Osmosis

Diffusion and Osmosis Diffusion and Osmosis Keywords Diffusion Osmosis Selectively permeable Turgor Pressure Keywords Visking Tubing Food preservation Selectively Permeable membranes Selectively permeable membrane allows some

More information

CELL STRUCTURE / QUESTIONS. Q1. Figure 1 shows an animal cell. Figure 1. alex-mit/istock/thinkstock. (a) What is structure A? Tick one box.

CELL STRUCTURE / QUESTIONS. Q1. Figure 1 shows an animal cell. Figure 1. alex-mit/istock/thinkstock. (a) What is structure A? Tick one box. CELL STRUCTURE / QUESTIONS Q1. Figure 1 shows an animal cell. Figure 1 alex-mit/istock/thinkstock (a) What is structure A? Tick one box. Cell membrane Cell wall Chromosome Cytoplasm What is structure B?

More information

National Know that stem cells in animals are cells which can divide.

National Know that stem cells in animals are cells which can divide. National 5 Biology Multicellular Organisms Unit Success Criteria Success Criteria Multicellular Organisms National 5 Colour the box at the side of each objective: RED I don t know much about this or am

More information

RESPIRATORY SYSTEM. 1. Label the following parts of the respiratory system:

RESPIRATORY SYSTEM. 1. Label the following parts of the respiratory system: RSPIRTORY SYSTM 1. Label the following parts of the respiratory system: 2. In the diagram below, label the types of air volumes with the following terms: tidal volume, vital capacity, residual volume,

More information

CHAPTER 2: BLOOD CIRCULATION AND TRANSPORT

CHAPTER 2: BLOOD CIRCULATION AND TRANSPORT CHAPTER 2: BLOOD CIRCULATION AND TRANSPORT BLOOD CIRCULATION AND TRANSPORT HUMAN BEING PLANTS Function of heart Wilting Structure of heart Blood vessels: characteristics and functions Transpiration: function

More information

The Respiratory System

The Respiratory System The Respiratory System Learning Intention What will I know? 1. The function of the respiratory system. 2. The difference between respiration and the breathing. Success Criteria What can I do? 1. State

More information

The cardiovascular and respiratory system

The cardiovascular and respiratory system The cardiovascular and respiratory system For this unit you need to be able to... Learning Outcomes: Covered? Confident? Understand and be able to give sporting examples of when each respiratory system

More information

Answer Notes Marks 1 (a) root appears / shoot appears / sprout / seed coat ignore growth alone 1

Answer Notes Marks 1 (a) root appears / shoot appears / sprout / seed coat ignore growth alone 1 1 (a) root appears / shoot appears / sprout / seed coat ignore growth alone splits / eq; 1 (b) 1. oxygen;. respiration; 3. water / moisture / rain; 4. (activate) enzymes / reactions / hydrolysis / digestion

More information

perfect practice makes perfect

perfect practice makes perfect CHAPTER 2: BLOOD CIRCULATION AND TRANSPORT HUMAN BEING BLOOD CIRCULATION AND TRANSPORT PLANTS Function of heart Structure of heart Blood vessels: characteristics and functions Wilting Transpiration: function

More information

MARK SCHEME for the October/November 2012 series 0610 BIOLOGY. 0610/22 Paper 2 (Core Theory), maximum raw mark 80

MARK SCHEME for the October/November 2012 series 0610 BIOLOGY. 0610/22 Paper 2 (Core Theory), maximum raw mark 80 CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education MARK SCHEME for the October/November 2012 series 0610 BIOLOGY 0610/22 Paper 2 (Core Theory), maximum raw mark

More information

Pharynx. crop. intestine

Pharynx. crop. intestine THE DIGESTIVE SYSTEM The digestive system provides nutrients to the body (hearts) Pharynx esophagus gizzard crop intestine stages of digestion: Ingestion: taking in of nutrients Digestion: the breaking

More information

Question Expected Answers Marks Additional Guidance 1 (a) C ; E ; A ; B ; 4. PhysicsAndMathsTutor.com

Question Expected Answers Marks Additional Guidance 1 (a) C ; E ; A ; B ; 4. PhysicsAndMathsTutor.com Question Expected Answers Marks Additional Guidance 1 (a) C ; E ; A ; B ; 4 Question Expected Answers Marks Additional Guidance (b) (i) P wave combined with larger peak before QRS complex ; Note: - look

More information

UNIT 2 BIODIVERSITY AND PHYSIOLOGY OF BODY SYSTEMS MARK SCHEME GENERAL INSTRUCTIONS

UNIT 2 BIODIVERSITY AND PHYSIOLOGY OF BODY SYSTEMS MARK SCHEME GENERAL INSTRUCTIONS GCE AS and A LEVEL BIOLOGY Specimen Assessment Materials 148 UNIT 2 BIODIVERSITY AND PHYSIOLOGY OF BODY SYSTEMS MARK SCHEME GENERAL INSTRUCTIONS Recording of marks Examiners must mark in red ink. One tick

More information

BLY3H. (Jan11BLY3H01) General Certificate of Secondary Education Higher Tier January Unit Biology B3. Written Paper TOTAL

BLY3H. (Jan11BLY3H01) General Certificate of Secondary Education Higher Tier January Unit Biology B3. Written Paper TOTAL Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Question Mark General Certificate of Secondary Education Higher Tier January 2011 1 2 Biology

More information

AQA GCSE Biology New Unit 3 Summary Notes

AQA GCSE Biology New Unit 3 Summary Notes AQA GCSE Biology New Unit 3 Summary Notes Page 1 11/15/2016 Unit 3 Summary We need to understand how biological and environmental systems operate when they are working well in order to be able to intervene

More information

TRANSPORTATION IN ANIMALS AND PLANTS

TRANSPORTATION IN ANIMALS AND PLANTS TRANSPORTATION IN ANIMALS AND PLANTS Circulatory system: organ system for the circulation of materials inside the body Materials transported in the body: Water, Oxygen, Carbon dioxide, Nutrients, Hormones

More information

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education UNIVERSITY OF MRIGE INTERNTIONL EXMINTIONS International General ertificate of Secondary Education *8747337823* IOLOGY 0610/11 Paper 1 Multiple hoice October/November 2010 dditional Materials: RE THESE

More information

Use words from the box to complete Figure 1 by putting the parts of the body in order of size from smallest to largest.

Use words from the box to complete Figure 1 by putting the parts of the body in order of size from smallest to largest. 1 The human body is organised to carry out many different functions. (a) Use words from the box to complete Figure 1 by putting the parts of the body in order of size from smallest to largest. The smallest

More information

abc Mark Scheme Additional Science 4463 / Biology 4411 General Certificate of Secondary Education Unit 2 Biology 2009 examination June series

abc Mark Scheme Additional Science 4463 / Biology 4411 General Certificate of Secondary Education Unit 2 Biology 2009 examination June series Version.0:.07 abc General Certificate of Secondary Education Additional Science 4463 / Biology 44 Unit Biology Mark Scheme 009 examination June series Mark schemes are prepared by the Principal Examiner

More information

BYA6 Physiology and the Environment

BYA6 Physiology and the Environment version 1.1 GCE 2005 January Series abc Mark Scheme Biology Specification A BYA6 Physiology and the Environment Mark schemes are prepared by the Principal Examiner and considered, together with the relevant

More information

Cellular Transport. 1. A potato core was placed in a beaker of water as shown in the figure below.

Cellular Transport. 1. A potato core was placed in a beaker of water as shown in the figure below. Name: Date: 1. potato core was placed in a beaker of water as shown in the figure below. Which diagram best represents the net movement of molecules?.. C. D. page 1 2. The following question(s) is/are

More information

International General Certificate of Secondary Education CAMBRIDGE INTERNATIONAL EXAMINATIONS

International General Certificate of Secondary Education CAMBRIDGE INTERNATIONAL EXAMINATIONS International General ertificate of Secondary Education MRIGE INTERNTIONL EXMINTIONS IOLOGY 0610/1 PPER 1 Multiple hoice MY/JUNE SESSION 2002 45 minutes dditional materials: Multiple hoice answer sheet

More information

cell membrane cytoplasm nucleus Hydrogen peroxide is a chemical that can be used to preserve milk.

cell membrane cytoplasm nucleus Hydrogen peroxide is a chemical that can be used to preserve milk. Enzymes are made and used in all living ganisms. (a) What is an enzyme? (2) (b) Many enzymes wk inside cells. In which part of a cell will most enzymes wk? Draw a ring around the crect answer. cell membrane

More information

CHAPTER 7.1 STRUCTURES OF THE RESPIRATORY SYSTEM

CHAPTER 7.1 STRUCTURES OF THE RESPIRATORY SYSTEM CHAPTER 7.1 STRUCTURES OF THE RESPIRATORY SYSTEM Pages 244-247 DO NOW What structures, do you think, are active participating in the breathing process? 2 WHAT ARE WE DOING IN TODAY S CLASS Finishing Digestion

More information

Name GLOSSARY. Carrier protein a molecule in the cell membrane that allows materials to pass through it

Name GLOSSARY. Carrier protein a molecule in the cell membrane that allows materials to pass through it 2 GLOSSARY Active transport movement of matter into, or out of, a cell which requires energy from the cell; usually this involves movement against the concentration gradient Adenosine triphosphate (ATP)

More information

The respiratory system structure and function

The respiratory system structure and function Name: Class: Date: Active reading 11A + Biology Gr11A The respiratory system structure and function The function of the respiratory system is to bring oxygen into the body and eliminate carbon dioxide

More information

Mark Scheme (Results) January Pearson Edexcel International GCSE in Biology (4BI0) Paper 2B

Mark Scheme (Results) January Pearson Edexcel International GCSE in Biology (4BI0) Paper 2B Mark Scheme (Results) January 016 Pearson Edexcel International GCSE in Biology (4BI0) Paper B Pearson Edexcel Certificate in Biology (KBI0) Paper B Edexcel and BTEC Qualifications Edexcel and BTEC qualifications

More information