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RESOURCE POOL BIOLOGY, SIBU

SISTEM NILAIAN SARAWAK (SNS)

SIJIL PEPERIKSAAN MALAYSIA (SPM)BIOLOGY

PAPER 1

QUESTIONAnswer all the question (50%)

1. Which of the following has the highest density of chloroplast?A Epidermis cells B Guard cellsC Mesophyll Palisade cells D Spongy mesophyll cells

2. Which of the following differences between plant cells and animal cells is NOT correct?Plant cell Animal cell

A Do not have centriole during celldivision

Centriole present during celldivision

B Have cell wall No cell wallC Have chloroplast No Chloroplast

D Contain glycogen granules Contain starch granules

3. Figure 1 shows a type of muscle.

The muscle shown above is involved inA Heart contraction C PeristalsisB Hands movement D Coughing

Questions 4 to 6 are based on Figure 2 below.Thin strips of potato of the same width and exactly 5 cm long were cut and placed in salt solutions ofdifferent concentrations.

After two hours, the strips were removed, carefully dried and their length measured. The mean length ofthe strips of potato were recorded and are shown in the chart below.

Concentration

of salt solution

(%)

Concentration

of salt solution

(%)

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4. At which concentration would you expect the length of the potato strips to remain unchanged?A 0.3 % B 0.5 % C 0.7 % D 1.0 %

5. The potato strips in a salt solution with a concentration of 0.6 % A. decreased in length by 0.5 cm.B. decreased in length by 1 cm.

C. increased in length by 0.5 cm.D. increased in length by 1 cm.

6. What process caused the change in length of the potato strips?A. Active transport C. Facilitated diffusionB. Osmosis D. Diffusion

7. Which of the following shows the differences between mitosis and meiosis?

Mitosis Meiosis

I Involves one stage of cell division Involves two stages of cell division

II Produces two identical diploid daughter

cells

Produces four haploid daughter cells

(gametes)III Synapsis and crossing over takes place

between homologous chromosomesSynapsis and crossing over does nottake place

IV Does not result in genetic variation Results in genetic variationA I and II only C I, II and IV onlyB I and III only D I, II, III and IV

8. Figure shows a plant cell undergoing mitosis.

Name the stage of mitosis shown state the number of chromosomes each daughter cell?Stage of mitosis No of chromosomes

A Metaphase 4B Anaphase 4C Metaphase 8D Anaphase 8

Average length in cm

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9. Figure shows the karyotype of an individual.

This individual is a ..A normal man B normal womanC man with Down Syndrome D woman with Down Syndrome

10. Figure below shows stages of embryo development.

Which of the following represent I, II dan III ?I II III

A Mitosis Fertilisation MeiosisB Meiosis Mitosis MitosisC Meiosis Fertilisation MitosisD Mitosis Meiosis Meiosis

11. In an experiment, 5 drops of a 0.1% solution of vitamin C was needed to decolourise 2 ml of DCPIPwhile 10 drops of fruit juice X was needed to decolourise the same amount of DCPIP. What is thepercentage of vitamin C in juice X?

A. 0.05 %B. 0.1 %

C. 0.2 %D. 0.5 %

12. The diagram shows the digestive system of a rabbit.

Father

Sperm Ovum

Mother

II

III

Zygote

Embryo

I

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Which labeled part has the most number of cellulose digesting bacteria?A. PB. QC. RD. S

13. Different types of food have different energy values.Calculate the energy value of chicken based on the information in Table 1 below.

Mass of chicken /g 0.7

Mass of water /g(1ml of water weighs 1g)

20.0

Initial temperature / C (t1) 25.0

Final temperature / C (t2) 88.7

TABLE 1What is the energy value of the chicken?

A. 63.7 kJ g-1

B. 7.64 kJ g-1

C. 20.2 kJ g-1D. 3.39 kJ g-1

14. Figure 7 shows the structure of a chloroplast.

Where do the light reactions of photosynthesis occur?A. P C. RB. Q D. S

15. Figure 8 is a graph showing the effect of light intensity on rate ofphotosynthesis of a plant.

Rate ofphotosynthesis

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FIGURE 8What is the limiting factor at point P on the graph?

A. Carbon dioxide concentration C. TemperatureB. Light intensity D. Water

16. Figure 9 below shows parts of the digestive system.

Which of the following would occur if tube X were blocked?I. Acid from the stomach would not be neutralizedII. Starch-digesting enzymes would not be releasedIII. Bile could not reach the small intestineIV. Fat-digesting enzymes could not reach the small intestine

A. I and IIIB. I and IVC. I, II and IVD. II, III and IV

17. Figure shows the schematic diagram summarising the process ofphotosynthesis.

Light intensity

P

Light energy Light reaction

Q

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Which of the following represents P, Q and R?

P Q R

A Hydrogen Oxygen Carbon dioxide

B Hydrogen Carbon dioxide Oxygen

C Carbon dioxide Oxygen HydrogenD Oxygen Hydrogen Carbon dioxide

18. Figure shows an organism with a different respiratory system from human.

Which of the following statements about the organism is true ? A The breathing system is made up of trachea

B Blood in the haemocoel transport respiratory gasesC Blood is pumped into the tracheal systemD Mixing of oxygenated blood and deoxygenated blood occur in the

haemocoel

19. Figure shows an experiment that measure the composition of an airSample.

What is the percentage of oxygen content in the exhaled air?A. 4.0 % C. 11.0 %B. 8.5 % D. 15.0 %

20. In Figure 13, the amount of energy available to the primary consumers is

Dark reactionGlucose + waterP

R

Length of exhaled air column = 10.0 cm

Length of exhaled air column aftertreatment with potassium hydroxide = 9.6 cm

Length of exhaled air column aftertreatment with otassium ro allate = 8.5 cm

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approximately

A. 4.186 kJ/m2/yearB. 41.869 kJ/m2/year

C. 418.600 kJ/m2/yearD. 4186.00 kJ/m2/year

21. The diagram below shows the classification of organisms into five kingdoms:

What are P and Q and what is the difference between their modes of nutrition?

P Q Difference

A Fungi Plantae P is parasitic but Q is photosynthetic

B Plantae Fungi P is photosynthetic but Q is parasiticC Fungi Plantae P is saprophytic but Q is photosynthetic

D Plantae Fungi P is photosynthetic but Q is saprophytic

22. As a black widow spider consumers her mate, what is the lowest trophic level she could beoccupying?

A. first trophic levelB. second trophic level

C. third trophic levelD. fourth trophic level

23. A quadrat measuring 50cm x 50cm is used to determine the species density of plant X in a schoolfield.

Quadrat 1 2 3 4 5 6 7 8 9 10

Kingdom

oneraExamples:

ue greenae andcteria

ProtistaPPExamples:

Algae andprotozoap

PPExamples:Mushroom andyeasty

QQExamples:Mosses, fernsand palmsa

AnimaliaAAExamples:

Mammals,reptiles andbirdsb

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Number

Totalnumber ofplant X

5 8 6 0 4 0 7 8 0 2

Based on the results shown in the above table, what is the density of plant per metre square?A. 4B. 16

C. 20D. 40

24. Figure below shows an environmental phenomenon.

What is this phenomenon?A. Acid rain B. Air pollutionC. Global warming D. Depletion of ozone layer

25. Which of the following shows the correct sequence of blood flow in the pulmonary circulation?

A. Pulmonary artery Lungs Pulmonary vein Heart

B. Aorta Lungs Pulmonary artery Heart

C. Pulmonary artery Heart Pulmonary vein Body Cells

D. Vena cava Heart Pulmonary artery Lungs

26. Figure shows a part of the blood circulatory system.

FIGURE 1

FIGURE 15

Which of the following is not found in X?A . Red blood cells B. OxygenC. Urea D. Water

27. Which of the following shows the correct sequence of the blood clotting mechanism?

A .Thrombokinase releasedPlatelets stick togetherProthrombin changes into thrombin

Fibrinogen changes into fibrin

B. Platelets stick togetherThrombokinase released Fibrinogen changes into fibrin Prothrombin changes into thrombin

Blood capillary

Body cells

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C. Platelets stick togetherThrombokinase released Prothrombin changes into

thrombinFibrinogen changes into fibrin

D. Thrombokinase (released) Prothrombin changes into thrombin Fibrinogen changes into

fibrinPlatelets stick together

28. Figure shows a part of the blood circulatory system.

Which of the following is absorbed into the blood through X?

A. fatty acids B. glucoseC. amino acid D. urea

29. The graph in Figure shows a type of immunity.

Which of the following statements is true about the graph?A. An individual has recovered from a disease and acquired immunity from the diseaseB. Antibody is received from the mothers milkC. Antibody is produced by the body after vaccine is injected.D. The individual is injected with antiserum from another individual.

30. Figure gives a three-dimensional view of a section of a dicotyledonousstem.

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What tissues are represented by P, Q and R?

P Q RA Pith Xylem Cortex

B Cortex Phloem XylemC Cortex Xylem Phloem

D Pith Phloem Xylem

31. Figure 19 shows a type of tissue found in the stem of a herbaceous plant.

The function of this tissue is toA Store food in the form of starchB Transport of organic substancesC Transport water and mineral salts to the whole plantD Provide support to the plant

32. Figure 20 below shows an elbow joint.

X

Which of the following structures is represented by X, Y and Z?

X Y Z

A Humerus Radius UlnaB Radius Humerus Ulna

C Ulna Radius Humerus

D Humerus Ulna Radius

33 . Which of the following health problems are associated with human

musculoskeletal system ?

Y

Z

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I. ThrombosisII. OsteoporosisIII. Muscular dystrophyIV. Parkinsons disease

A. I and IVB. II and III

C. I, II and IIID. I, II, III and IV

34. Figure below shows an aquatic plant.

Which of the following is a function of P ?

A. To support and protect the plantB. To maintain the turgidity of the plantC. To store starch, sugars and water in plant.D. To reduce the density of the plant.

35. Which of the following statements are true about the spinal cord in humans? Grey matter containscell bodies of the afferent neurones

I. White matter is surrounded by grey matterII. Dorsal root contains the axons of the afferent neuronesIII. Ventral root contains the axons of the efferent neurones

A. I and II onlyB. III and IV only

C. I, II and III onlyD. II, III and IV only

36. Figure 22 shows the transmission of impulses across a synapse.

Name substance X.

P

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A. AdrenalineB. Prolactin

C. AcetylcholineD. Thyroxine

37.

Deficiency of which of the following hormone causes the disorder listed above?

A. InsulinB. ThyroxineC. Growth hormoneD. Antidiuretic hormone

38. Two similar mango plant cuttings were placed separately into two containers P and Q. Figure belowshows the results after two weeks.

P Q

What is hormone X?A. EtheneB. GibberellinC. Abscisic acidD. Auxin

39. Phytohormone X is a gas produced in plant tissues. It promotes fruit ripening. What is X?A AuxinB Abscisic acid

C EthyleneD Gibberellin

40. Figure shows the different levels of hormone X during the menstrual cycle. What is hormone X?

Hormone X

A. OestrogenB. Progesterone

C.Luteinizing hormoneD. Follicle stimulating hormone.

Causes cretinism in childhood

Causes myxoedema in adulthood

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Which process causes the reduction of dry mass during phase Y?

A. PhotosynthesisB. Respiration

C. GrowthD. Reproduction

46. Which of the following shows the correct sequence of events in growth?A Cell enlargement, cell division, cell differentiationB Cell division, cell differentiation, cell enlargementC Cell division, cell enlargement, cell differentiationD Cell differentiation, cell enlargement, cell division.

47. Figure 29 shows the growth curve of an animal with exoskeleton.

How many ecdysis have occured?A 4B 6C 5D 7

48. Sarah has antigen A and antibody b while Aliyah has antibody a and

antibody b. What is the blood group of Sarah and Aliyah?Sarah Aliyah

A Blood group A Blood group O

B Blood group A Blood group ABC Blood group B Blood group OD Blood group B Blood group AB

49. Figure below shows a model of DNA. The part labelled P is

Eggstage

Adult

stage

Body

length

(mm

)

Time da s

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A. Nitrogenous base.B. 5 carbon sugar.C. Nucleotide.D. Phosphate.

50. Figure below shows a diagram to determine the sex of a baby. If acouple has a son, what are the chromosome in P, Q and R?

P Q R

A 22 + X. 22 + X. 44 + XX.B 22 + X. 22 + Y. 44 + XY.C 44 + X. 44 + X. 44 + XY.D 44 + X. 44 + Y. 44 + XY.

~THE END~

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