Bio Paper 1 Form 4 Final SBP 2007

4551/1Biology Form 4 Paper 1Sept. / Oct. 20071 hour 15 min

SEKTOR SEKOLAH BERASRAMA PENUHBAHAGIAN SEKOLAH

KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN DIAGNOSTIK / DIAGNOSTIC TESTFORM FOUR 2007

BIOLOGYPAPER 1

One Hour and Fifteen Minutes

DO NOT OPEN THIS QUESTION PAPER UNTIL YOU ARE TOLD TO DOSO

1. This question paper is in English.

2. Candidates are required to read the information on page 2

This question paper consists of 22 printed pages .

4551/1 @ 2007 Hak Cipta SBP

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CONFIDENTIAL 4551/1

INFORMATION FOR CANDIDATES

1. This question paper consists of 50 questions.

2. Answer all questions.

3. Answer each question by blackening the correct space on the answer sheet.

4. Blacken only one correct answer for each question.

5. If you wish to change your answer, erase the blackened mark that you

have made. Then blacken for the new answer.

6. The diagrams in the questions provided are not drawn to scale unless stated.

7. You may use a non-programmable scientific calculator.


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For Questions 1 to 50, each question is followed by four alternative answers, A, B, C or D. Choose one correct answer for each question and blacken the corresponding space in your objective answer sheet.

1. Protoplasm is made up of

ACytoplasm and nucleusB Cytoplasm and plasma membrane C Cell membrane, cell wall and nucleusDCytoplasm ,nucleus and plasma membrane

2. The diagram shows the structure of an organelle.

Which cell possesses the organelle shown in the diagram?

A Guard cellB Epidermal cellC Meristematic cellD Sclerenchyma cell



3. Which of the following organelles contains photosynthetic pigment?

A C

B D

4 A student soaked a raisin in solution X. After a few minutes, he found that the raisin had expanded.Which of the following show the type of solution X?

A PlasmolysisB Isotonic solutionC Hypotonic solutionD Hypertonic solution

5. Which of the following are the main components of a plasma membrane?

A Protein and carbohydrateB Protein and phospholipidsC Phospholipid and carbohydrateD Protein, phospholipid and carbohydrate



6. The diagram shows the movement of molecules through plasma membrane.

A B

Watermolecules

Sucrose molecules

The movement of the molecules

A occur by osmosisB occur needs energyC occur with the aid of carrier proteinD occur against concentration gradient

7. The diagram shows the double helix structure of DNA.

P

What is the compound located at P?

A Amino groupB Pentose sugarC Phosphate groupD Nitrogenous base

8. Which of the following are produced from hydrolysis of lactose?

A GlucoseB Glucose and fructoseC Glucose and galactoseD Fructose and galactose



9. The diagram shows the phases in the cell cycle. What is the phase of the cell cycle represented by R?

P Q

SR

A G1 phaseB G2 phaseC S phaseD M phase

10. The diagram shows one of the stages of mitosis in an animal cell.

What is the stage shown?

A MetaphaseB TelophaseC AnaphaseD Prophase



11. The table contains the events that take place during mitosis.

K - The sister chromatids are pulled apart to the opposite poles.L - The chromosomes in the nucleus condensed and become more tightly coiled.M - The spindle fibres disappear and a new nuclear membrane forms each set of

chromosomes.N - The chromosomes are lined up on the metaphase plate.

The correct sequence is

A L, K, M, NB L, N, K , MC K, L, N, MD L, M, N, K

12. Soy bean, milk, fish and meat are very important to reduce the risk of

A scurvyB goiterC pellagraD kwashiorkor

13. Which of the following organs does not secrete protease enzyme?

A IleumB MouthC StomachD Pancreas

14. A person who purposely vomits after taking excessive food is suffering from

A bulimiaB obesityC constipationD anorexia nervosa



15. The graph below shows the effect of light intensity on the rate of photosynthesis.

Rate of reaction

P

Light intensity

Why there is no more increase in the rate of photosynthesis after point P?

A Stomata start to closeB Light intensity has reached the maximum levelC All the chlorophylls have been utilised in light reactionD Concentration of carbon dioxide limits the rate of photosynthesis

16. When testing for the presence of a non-reducing sugar, the sugar solution is boiled with dilute hydrochloric acid. Then sodium bicarbonate and Benedict’s solution are added. What is the purpose of adding sodium bicarbonate?

A Hydrolyse the sugarB Neutralise the acidC Reduce the sugarD Oxidise the sugar

17. The equation below shows the fermentation process by yeast.

Glucose X + Y + energy

What are X and Y?

A Ethanol and lactic acidB Carbon dioxide and waterC Ethanol and carbon dioxideD Lactic acid and carbon dioxide



18. The diagram shows the respiratory system of an insect.

X

What are the adaptations of X to increase the rate of gaseous exchange?

A The wall is impermeableB The wall is supported by chitinC The epithelial cells are moist all the timeD At the terminal of X there is a network of blood capillaries

19. The diagram below shows a particular species of living thing.

What is the kingdom of the species?

A FungiB ProtistaC MoneraD Plantae



20. The figure shows a root system of a mangrove plant.

This root system belongs to

A Bruguiera spB Avicennia spC Sonneratia spD Rhizophora sp

21. Which of the following causes malaria?

A VirusB FungiC BacteriaD Protozoa



22. The picture below shows a type of interaction between two organisms. Structure P contains microorganism.

Q

P

The role of the microorganisms in the interaction is to

A provide energyB protect the plant root systemC provide nutrients for the plant QD fix nitrogen in the air for the plant Q

23. The advantage of using biological control compared to the use pesticide in the pest population control is that

A biological control destroys many types of insectsB it does not contribute pollution to the environmentC the effect of biological control is faster and immediateD the use of biological control results in the increased resistance of the pests.



24. Without proper management of development activities and maintenance of the ecosystem, unwanted events could occur.Which of the following statements are true?

I Over fishing in the ocean II Less supply of clean waterIIIFossils fuel being exhaustedIV Agricultural soils being degraded

A I and IV onlyB I, II, III onlyC I, III, IV onlyD I, II, III and IV

25. Which of the following are the effects of poorly planned development projects?

I Global warmingIIGreenhouse effectIII Decrease in biodiversityIV Air, water, thermal and sound pollution

A I, II onlyB III, IV onlyC II, III, IV onlyD I, II, III and IV



26. The diagram shows a unicellular organism.

This organism takes in organic substances for cellular respiration through a process known as

A OsmosisB PhagocytosisC PseudopodiumD Osmoregulation

27. Four strips of spinach stems are immersed in solutions W, X, Y and Z. The solutions are of different concentration.

Which of the following could be the solution W, X, Y, and Z?

AW X Y Z

Sucrose 5% Distilled water Sucrose 50% Sucrose 20%B Sucrose 5% Sucrose 20% Sucrose 50% Distilled waterC Distilled water Sucrose 20% Sucrose 5% Sucrose 50%D Distilled water Sucrose 5% Sucrose 50% Sucrose 20%



28. The diagram shows the set up of an experiment.

Which graph shows the changes in the mass of the Visking tubing in 30 minutes?

A C

B D



29. The diagram shows the reaction catalysed by lipase.

Y

What is Y?

A LipidB ProteinC GlycogenD Fatty acid

30. The diagram below shows two types of polypeptide chains. These structures are folded into three-dimensional shape to form another level of protein organisations called X.

Which of the following is an example of X?

A hairB silkC amylaseD haemoglobin

31. Which of the following is not true about meiosis I?

A During metaphase I, the centromere does not divideB After telophase I, two haploid daughter cells are formedC During anaphase I, homologous chromosomes lined up in the equatorial planeD During prophase I, homologous chromosomes pair up and crossing over takes place



32. The diagram shows stages in mitosis.

J

Which of the following is correct about chromosomes behaviour in the stage J?

A Chromosomes condense and thickenB Chromosomes arrive at the opposite poles of the cellC Chromosomes arrange themselves around equatorial planeD Daughter chromosomes separate and move to the opposite poles

33. The diagram below shows the digestive system of an animal.

X

What is the function of the structure labeled X?

A Absorption of waterB Absorption of digestive foodC Secretion of gastric juice to break down proteinD Digestion of cellulose by cellulase produced by bacteria

34. A child develops intestinal gas and diarrhea every time after consuming milk and milk products. This is due to

A contamination of foodB too much lipid in the foodC she is suffering from stomach ulcerD her body is unable to produce enough lactase



35. The figure shows a part of the human respiratory system.

X

Y

During exhalation, what happen to structures X and Y?

AX Y

Downwards and inwards FlattensB Upwards and outwards FlattensC Downwards and inwards DomedD Upwards and outwards Domed

36. The figure below shows an experiment on anaerobic respiration in yeast.

Paraffin layer

Yeast + Bicarbonateglucose indicatorsolution

X Level of bicarbonate indicator increasesY Gas bubbles are releasedZ Bicarbonate indicator turns yellow

Which of the following are observed after 30 minutes?

A X and Y onlyB Y and Z onlyC X and Y onlyD X, Y and Z



37. The diagram below shows the nitrogen cycle.

Nitrogen in atmosphere

Animalprotein

Plant protein

P

NitritesAmmonia

Which of the following can convert nitrites into P?

A Nitrosomonas spB Nitrobacter spC Rhizobium spD Nostoc sp

38.A natural collection of plant and animal species living within a defined area or habitat in an ecosystem

The members are independent and interact with one another

The information above refers to

A nicheB habitatC speciesD community



39. The diagram shows the energy flow in an ecosystem.

20000 kJ

Vegetables Rabbit Snake

90% 90%Energy loss Energy loss

What is the amount of energy received by the secondary consumer?

A 200 kJB 1800 kJC 2000 kJD 18000 kJ

40. Which of the following explains the green house effect?

A Decrease in the sea levels of the oceansB Absorption of the ultra-violet rays by earthC Construction of green houses to prevent continuous global warmingD Global warming caused by the trapping of heat in the atmosphere

41. A newborn baby was diagnosed with constipation.Which type of cell in the baby contributes to this problem?

A Epithelial cellB Smooth muscle cellC Cardiac muscle cellD Skeletal muscle cell

42. If fresh water Paramecium sp were to be put into the sea, what will happen to the contractile vacuole?

A Increase in sizeB Contracts slowlyC Does not functionD Burst at a fast rate



43. The following results were obtained in an experiment to determine the concentration of vitamin C in apple juice.

Volume of 0.1% ascorbic acid needed to decolourise 1 ml of DCPIP solution = 2 ml Volume of fruit juice needed to decolourise 1 ml of DCPIP solution = 1.6 ml[0.1% pure ascorbic acid contains 1 mg ascorbic acid per cm ³]

What is the concentration of vitamin C in the apple juice?

A 0.125 mg cm -³ B 0.80 mg cm -³ C 1.25 mg cm -³ D 12.5 mg cm -³

44. The diagram shows a human organ.

The absence of ribosomes in the cells make it unable to

A ReproduceB Produce lipaseC Transmit impulsesD Undergo respiration

45. Animal cloning involves

A The transfer of the nucleus from a somatic cell to an ovum or embryonic cellB The transfer of the nucleus from a gamete to a somatic cell with the nucleus

removedC The transfer of the nucleus from a gamete to an ovum or embryonic cell with the

nucleus removedD The transfer of the nuclues from a somatic cell to an ovum or embryonic cell with the

nucleus removed



46. The figure shows the digestion of three types of food substances X, Y and Z, along an alimentary canal.

pres

ent 100

YZ

subs

tanc

es X

50

% o

f und

iges

ted

food

0Oesophagus Stomach Small

Colon

Mouthcavity intestine

What is X, Y and Z?

AX Y Z

Protein Lipid CarbohydrateB Carbohydrate Protein LipidC Lipid Carbohydrate ProteinD Carbohydrate Lipid Protein

47. A student has just completed a 400 metre run in 45 seconds. Which of the followingchanges in his muscles are true?

ALactic acid Glycogen ATPDecreased Decreased Increased

B Increased Decreased DecreasedC Decreased Increased DecreasedD Increased Decreased Increased

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48. A student found a plant with the following symptoms.

Stunted growthLeaves become distorted and cuppedAreas between leaf veins become yellow

The symptoms is due to lack of

A CalciumB SulphurC PotassiumD phosphorus

49. The following information shows the results of an experiment conducted by a student to estimate the population size of rats in a paddy field.

35 rats were caught and marked on the first night 30 rats were caught a week later, 5 were marked

What is the population size of the rats in the paddy field?

A 105B 150C 210D 420

50. In an experiment to determine the biochemical oxygen demand, a sample of lake water was found to have a high B.O.D. value. This means

I the lake water sample is pollutedII the photolytic process has occurredIII the lake water sample has a high oxygen contentIV micro-organisms are present in the lake water sample

A I and IV onlyB III and IV onlyC I, II and IV onlyD I,II, III and IV

END OF QUESTION PAPER


ANSWER FOR PAPER 1

NO ANSWER NO ANSWER NO ANSWER1. A 21. D 41. B2. A 22. D 42. B3. B 23. B 43. C4. C 24. D 44. B5. B 25. D 45. D6. A 26. B 46. B7. D 27. A 47. B8. C 28. C 48. A9. B 29. A 49. C10. A 30. C 50. A11. B 31. C12. D 32. C13. B 33. D14. A 34. D15. D 35. C16. B 36. B17. C 37. B18. C 38. D19. A 39. A20. D 40. D

Bio Paper 1 Form 4 Final SBP 2007

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