Bio P1 Sbp 2007

4551/1 Biology Form 4 Paper 1 Sept. / Oct. 2007 1 hour 15 min

SEKTOR SEKOLAH BERASRAMA PENUH BAHAGIAN SEKOLAH KEMENTERIAN PELAJARAN MALAYSIA PEPERIKSAAN DIAGNOSTIK / DIAGNOSTIC TEST FORM FOUR 2007

BIOLOGY PAPER 1 One Hour and Fifteen Minutes

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

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 4551/1

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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 A B C D

2.

Cytoplasm and nucleus Cytoplasm and plasma membrane Cell membrane, cell wall and nucleus Cytoplasm ,nucleus and plasma membrane

The diagram shows the structure of an organelle.

Which cell possesses the organelle shown in the diagram? A B C D

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Guard cell Epidermal cell Meristematic cell Sclerenchyma cell

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4

Which of the following organelles contains photosynthetic pigment? A

C

B

D

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 B C D

5.

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Plasmolysis Isotonic solution Hypotonic solution Hypertonic solution

Which of the following are the main components of a plasma membrane? A B C D

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Protein and carbohydrate Protein and phospholipids Phospholipid and carbohydrate Protein, phospholipid and carbohydrate

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The diagram shows the movement of molecules through plasma membrane.

A

B

Water molecules

Sucrose molecules

The movement of the molecules A B C D

7.

occur by osmosis occur needs energy occur with the aid of carrier protein occur against concentration gradient

The diagram shows the double helix structure of DNA.

P

What is the compound located at P? A B C D

8.

Amino group Pentose sugar Phosphate group Nitrogenous base

Which of the following are produced from hydrolysis of lactose? A B C D

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Glucose Glucose and fructose Glucose and galactose Fructose and galactose

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

P

S

A B C D

10.

Q

R

G1 phase G2 phase S phase M phase

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

What is the stage shown? A B C D

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Metaphase Telophase Anaphase Prophase

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The table contains the events that take place during mitosis. KLMN-

The sister chromatids are pulled apart to the opposite poles. The chromosomes in the nucleus condensed and become more tightly coiled. The spindle fibres disappear and a new nuclear membrane forms each set of chromosomes. The chromosomes are lined up on the metaphase plate.

The correct sequence is A B C D

12.

Soy bean, milk, fish and meat are very important to reduce the risk of A B C D

13.

scurvy goiter pellagra kwashiorkor

Which of the following organs does not secrete protease enzyme? A B C D

14.

L, K, M, N L, N, K , M K, L, N, M L, M, N, K

Ileum Mouth Stomach Pancreas

A person who purposely vomits after taking excessive food is suffering from A B C D

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bulimia obesity constipation anorexia nervosa

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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 B C D

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 B C D

17.

Stomata start to close Light intensity has reached the maximum level All the chlorophylls have been utilised in light reaction Concentration of carbon dioxide limits the rate of photosynthesis

Hydrolyse the sugar Neutralise the acid Reduce the sugar Oxidise the sugar

The equation below shows the fermentation process by yeast.

Glucose

X + Y

+ energy

What are X and Y? A B C D

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Ethanol and lactic acid Carbon dioxide and water Ethanol and carbon dioxide Lactic acid and carbon dioxide

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The diagram shows the respiratory system of an insect.

X What are the adaptations of X to increase the rate of gaseous exchange? A B C D

19.

The wall is impermeable The wall is supported by chitin The epithelial cells are moist all the time At the terminal of X there is a network of blood capillaries

The diagram below shows a particular species of living thing.

What is the kingdom of the species? A B C D

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Fungi Protista Monera Plantae

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10

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The figure shows a root system of a mangrove plant.

This root system belongs to A B C D

21.

Bruguiera sp Avicennia sp Sonneratia sp Rhizophora sp

Which of the following causes malaria? A B C D

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Virus Fungi Bacteria Protozoa

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

Q A

P

The role of the microorganisms in the interaction is to A B C D

23.

provide energy protect the plant root system provide nutrients for the plant Q fix nitrogen in the air for the plant Q

The advantage of using biological control compared to the use pesticide in the pest population control is that A B C D

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biological control destroys many types of insects it does not contribute pollution to the environment the effect of biological control is faster and immediate the use of biological control results in the increased resistance of the pests.

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

I II III IV

A B C D

25.

12

Over fishing in the ocean Less supply of clean water Fossils fuel being exhausted Agricultural soils being degraded

I and IV only I, II, III only I, III, IV only I, II, III and IV

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

I II III IV

A B C D

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Global warming Greenhouse effect Decrease in biodiversity Air, water, thermal and sound pollution

I, II only III, IV only II, III, IV only I, II, III and IV

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The diagram shows a unicellular organism.

This organism takes in organic substances for cellular respiration through a process known as A B C D

27.

Osmosis Phagocytosis Pseudopodium Osmoregulation

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?

A B C D

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W Sucrose 5% Sucrose 5% Distilled water Distilled water

X Distilled water Sucrose 20% Sucrose 20% Sucrose 5%

Y Sucrose 50% Sucrose 50% Sucrose 5% Sucrose 50%

Z Sucrose 20% Distilled water Sucrose 50% Sucrose 20%

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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

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The diagram shows the reaction catalysed by lipase.

Y

What is Y? A B C D

30.

Lipid Protein Glycogen Fatty acid

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 B C D

31.

hair silk amylase haemoglobin

Which of the following is not true about meiosis I? A B C D

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

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The diagram shows stages in mitosis.

J

Which of the following is correct about chromosomes behaviour in the stage J? A B C D

33.

Chromosomes condense and thicken Chromosomes arrive at the opposite poles of the cell Chromosomes arrange themselves around equatorial plane Daughter chromosomes separate and move to the opposite poles

The diagram below shows the digestive system of an animal.

X

What is the function of the structure labeled X? A B C D

34.

Absorption of water Absorption of digestive food Secretion of gastric juice to break down protein Digestion of cellulose by cellulase produced by bacteria

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

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contamination of food too much lipid in the food she is suffering from stomach ulcer her body is unable to produce enough lactase

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The figure shows a part of the human respiratory system.

X

Y During exhalation, what happen to structures X and Y?

A B C D

36.

X Downwards and inwards Upwards and outwards Downwards and inwards Upwards and outwards

Y Flattens Flattens Domed Domed

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

Yeast + glucose solution

X Y Z

Bicarbonate indicator

Level of bicarbonate indicator increases Gas bubbles are released Bicarbonate indicator turns yellow

Which of the following are observed after 30 minutes? A B C D 4551/1

X and Y only Y and Z only X and Y only X, Y and Z [Turn over CONFIDENTIAL

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The diagram below shows the nitrogen cycle.

Nitrogen in atmosphere P

Animal protein

Plant protein

Ammonia

Nitrites

Which of the following can convert nitrites into P? A B C D

Nitrosomonas sp Nitrobacter sp Rhizobium sp 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 B C D

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niche habitat species community

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The diagram shows the energy flow in an ecosystem. 20000 kJ Vegetables

Snake

Rabbit 90% Energy loss

90% Energy loss

What is the amount of energy received by the secondary consumer? A B C D

40.

Which of the following explains the green house effect? A B C D

41.

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

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

42.

200 kJ 1800 kJ 2000 kJ 18000 kJ

Epithelial cell Smooth muscle cell Cardiac muscle cell Skeletal muscle cell

If fresh water Paramecium sp were to be put into the sea, what will happen to the contractile vacuole? A B C D

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Increase in size Contracts slowly Does not function Burst at a fast rate

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20

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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 B C D

44.

0.125 mg cm -³ 0.80 mg cm -³ 1.25 mg cm -³ 12.5 mg cm -³

The diagram shows a human organ.

The absence of ribosomes in the cells make it unable to A B C D

45.

Reproduce Produce lipase Transmit impulses Undergo respiration

Animal cloning involves A B C D

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The transfer of the nucleus from a somatic cell to an ovum or embryonic cell The transfer of the nucleus from a gamete to a somatic cell with the nucleus removed The transfer of the nucleus from a gamete to an ovum or embryonic cell with the nucleus removed The transfer of the nuclues from a somatic cell to an ovum or embryonic cell with the nucleus removed [Turn over CONFIDENTIAL

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

46.

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100

Z

Y X

50

0

Mouth Oesophagus Stomach Small cavity intestine

Colon

What is X, Y and Z?

A B C D

47.

X Protein Carbohydrate Lipid Carbohydrate

Y Lipid Protein Carbohydrate Lipid

Z Carbohydrate Lipid Protein Protein

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

A B C D

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Lactic acid Decreased Increased Decreased Increased

Glycogen Decreased Decreased Increased Decreased

ATP Increased Decreased Decreased Increased

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22

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

Stunted growth Leaves become distorted and cupped Areas between leaf veins become yellow

The symptoms is due to lack of A B C D

49.

Calcium Sulphur Potassium phosphorus

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 B C D

50.

105 150 210 420

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 II III IV

A B C D

the lake water sample is polluted the photolytic process has occurred the lake water sample has a high oxygen content micro-organisms are present in the lake water sample

I and IV only III and IV only I, II and IV only I,II, III and IV END OF QUESTION PAPER

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ANSWER FOR PAPER 1 NO 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.

ANSWER A A B C B A D C B A B D B A D B C C A D

NO 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.

ANSWER D D B D D B A C A C C C D D C B B D A D

NO 41. 42. 43. 44. 45. 46. 47. 48. 49. 50.

ANSWER B B C B D B B A C A