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Biology
Paper 1
September
2007
1¼ hours
PEPERIKSAAN PERCUBAAN

SIJIL PELAJARAN MALAYSIA

NEGERI PERAK
2007

BIOLOGY

Paper 1

One hour fifteen minutes

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

INFORMATION FOR CANDIDATES.

1. This question paper contain 50 questions.

2. Answer all the questions.

3. Shade the appropriate space in your answer sheet.

4. Shade only one space for each answer.

5. If your want change the answer, clear the shade you have done.

6. Drawing diagram is not in the right scale except stated.

7. You can use simple scientific calculator.

This question paper contain 21 printed pages

Lihat sebelah
SULIT

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Section A

1 Figure 1 shows the typical structure of an animal cell.

FIGURE 1

Which structure labeled A, B, C, D in Figure 1 contains chromosomes?

2 Figure 2 shows one specialised cell.

FIGURE 2

What is the function of the cell in Figure 2?

A. Bring impuls from spinal cord to the muscles

B. Produce energy during cellular respiration
C. Synthesis glucose during photosynthesis
D. Produce electrical signal when stimuli detected

3 Which of the following organelle synthesis protein?

A. Ribosome
B. Mitochondrion
C. Lysosome
D. Chloroplast

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4 Which of the following is multicellular organism ?

5 Lipid is needed to build structure X while cellulose is needed to build structure Y.

What are X and Y?

X Y
A Protoplasma Cell wall
B Cell wall Protoplasma
C Cell wall Plasma membrane
D Plasma membrane Cell wall

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6 Figure 3 shows the movement of substance P across the membrane.

FIGURE 3

Which of the following is the process involved?

A. Diffusion
B. Osmosis
C. Active transport
D. Facilitated diffusion

7 Figure 4 shows the change in the structure of a plant cell after being immersed in
solution Y.

FIGURE 4

What is solution Y ?

A. Sucrose solution 30%

B. Sucrose solution 10%
C. Distilled water
D. Starch suspension

8 Figure 5 shows a structure of organic compounds that found in cells.

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FIGURE 5
Name the compound.

A. Lipid
B. Protein
C. Carbohydrate
D. Nucleic acid

9 Which of the following statements is not true about enzymes?

A. All enzymes are protein

B. Optimum temperature for enzyme is 40°C
C. Digestive enzymes are extracellular
D. Optimum pH for enzymes is 7.0

10 Figure 6 shows a stage in meiosis I.

FIGURE 6

State the chromosome number in daughter after the cell have completed meiosis?

A. 2
B. 4
C. 8
D. 16

11 Which of the following absorp sun light during photolysis?

A. Chlorophyll
B. Mesophyll
C. Lenticell
D. Vesicle

12 Which of the following tissue undergo mitosis?

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I. Cambium
II. Meristem
III. Epidermal
IV. Cortex

A. I, II, and III

B. II, III and IV
C. I and II
D. III and IV

13 Which of the following is involved as a defence mechanism?

I. Skin
II. Blood
III. Lymphatic system
IV. Neuron system

A. I only
B. II and III
C. I, II and III
D. II, III and IV

14 Which of the following animals has a skeleton made of chitin?

15 Figure 7 shows the vertebral column with the parts labelled as M and N.

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FIGURE 7

Which of the following represented M and N?

M N
A Cervical vertebrae Thoracic vertebrae
B Thoracic vertebrae Lumbar vertebrae
C Lumbar vertebrae Sacral vertebrae
D Cervical vertebrae Lumbar vertebrae

16 Figure 8 shows the organization of the human nervous system.

Human nervous system

P Q

R Spinal Cranial S
cord nerves

FIGURE 8

Which letter represents the central nervous system?

A. P
B. Q
C. R
D. S
17 Figure 9 shows human digestive system

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FIGURE 9

Which of the following does not produce enzyme

A. P
B. Q
C. R
D. S

18 Figure 10 shows a person with a swollen neck due to the enlargement of a gland.

is caused by deficiency of a certain mineral in the diet.

FIGURE 10
Name the mineral .

A. Iodine
B. Potassium
C. Ferum
D. Phosphorous

19 Which of the following are the product of aerobic and anaerobic respiration in muscles?

Aerobic Respiration Anaerobic Respiration

A Carbon dioxide and water Ethanol
B Carbon dioxide and water Lactic acid
C Lactic acid Ethanol
D Lactic acid Carbon dioxide and water

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20 Figure 11 shows 2 different organisms.

FIGURE 11

Which of the following is the respiratory surface for both organisms?

A. Skin
B. Vacuole
C. Plasma membrane
D. Contractile vacuole

21 Figure 12 shows a pyramid number .

FIGURE 12

Which of the following is not true about the organisms in figure 3?

V W X Y
A Holopyhtic Holozoic Holozoic Holozoic
B Autotrophic Autotrophic Heterotrophic Heterotrophic
C First trophic Second trophic Third trophic Fourth trophic
level level level level
D Producer Primary Secondary Tertiary
consumer consumer consumer

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22 Figure 13 shows the interaction between two organisms.

FIGURE 13

What type of interaction shown in Figure 13?

A. Parasitism
B. Saprophytism
C. Mutualism
D. Commensalism

23 Figure 14 shows a environment phenomenon.

FIGURE 14
Name the phenomenon?

A. Green house effect

B. Air pollution
C. Ozone depletion
D. Thermal pollution

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24 Figure 15 shows a pair of Siamese twin.

FIGURE 15

Which of the following is correct ?

A. The zygote undergoes mitosis repeatly during implantation.

B. The embryo is not separated completely during embryonic development
C. One ovum is fertilised by two different sperms during fertilisation
D. The mutation occurred in the woman uterus during the developmental stages.

25 Figure 16 shows the structure of an ovule

A C

B D

FIGURE 16

Which part develops into the testa after fertilization?

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Section B

26 Which of the following organelles are present in the cheek human cells?

I. Centrioles
II. Lysosome
III. Mitochondrion
IV. Vacuole

A. I, II, III and IV

B. I, II and III
C. I, II and IV
D. II, III and IV

27 Which of the following statements is correct?

A. Saliva contains protease and amylase

B. Pancrease have the largest surface area
C. Pancreatic juice contains pepsin
D. Liver secretes bile to emulsify lipid

28 The following are differences between plant cells and animals cells. Which of this is
not true?

Animal cells Plant cells

A Do not contain chlorophyll Contain chlorophyll
B Have plasma membrane Do not have plasma membrane
C Have many small vacuoles Have large vacuoles
D Do not have any fixed shape Have a fixed shape

29 Which of the following will effect the distribution of aquatic organism?

A. Topography
B. Salinity
C. Wind
D. Climate

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30 The following information describes certain part which found in the human brain.

 Responsible for sorting the incoming and outgoing

information in the cerebral cortex
 Integrate the information from the sensory receptors

Which of the following is the part described?

A. Hypothalamus
B. Thalamus
C. Cerebellum
D. Cereberum

31 Figure 17 shows an enzymatic reaction.

FIGURE 17

The characteristics of enzymes shown here are?

A. Each enzyme have a specific structure.

B. Enzymes are not destroyed at the end of reaction
C. Enzymes activity controlled by temperature
D. Chemical reaction can be speed up by enzyme

32 The information below shows the stages of the blood clotting mechanism in human.

P – fibrinogen changes into fibrin

Q – clumped platelets
R – Meshwork of threads are formed over the wound
S – Release of thrombokinase
T – Prothrombin changes into thrombin

Which of the following is the correct sequence of that process ?

A. S T Q P R
B. P Q R S T
C. Q S T P R
D. Q P S T R

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33 Figure 18 shows the structure of a human forearm.

FIGURE 18

What are the actions of structures M and N which enable the arm to move as shown
in Figure 9?

M N
A Relaxes Contracts
B Relaxes Relaxes
C Contracts Relaxes
D Contracts Contracts

34 Figure 19 shows the pathway involved in detecting and responding to changes in the
internal environment.

stimulus X Central nervous

system

Response

FIGURE 19
What are represented by X and Y?

X Y
A Afferent pathway Efferent pathway
B Efferent pathway Afferent pathway
C Effector Receptor
D Receptor Effector

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35 Figure 20 shows an experiment on an aerobic respiration in yeast

FIGURE 20

Which of the following can be observed after 30 minutes?

I. Temperature in thermos-flask increases

II. Lime-water turns cloudy
III. Air bubble are released

A. I and II only
B. II and III only
C. I and III only
D. I, II and III

36 Table I shows the result of an experiment carried out in three areas , X, Y and Z.

Area
Parameter X Y Z
pH value of rainwater 3 6 7

Smoke (mg/m) 0.60 0.25 1.13

Air pollution index 200 130 70

TABLE 1

Which of the following area is the most suitable for asthmatic to live in?

A. X
B. Y
C. Z
D. X and Z

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37 Figure 21 shows a foetus in woman uterus.

FIGURE 21

Which part protects the embryo from physical shocks?

A. W
B. X
C. Y
D. Z

38 A woman has curly hair but has her hair straightened. She marries a man with straight
hair and all their offspring have curly hair. Which statements explain this situation?

A. Curly hair is dominant over straight hair

B. The trait of hair type is a not heredity character
C. The genotype of the woman is homozygous recessive.
D The woman and his husband are heterozygous.

39 Which of the following is a main caused of variation in offspring ?

A. Crossing over during meiosis 1

B. Separation of homologous chromosomes
C. Replication of DNA
D. Separation of sister chromatid

40 An experiment was done to determine the concentration of vitamin C in pineapple

juice. The following results were obtained.

Type of solution Volume needed to

decolourise 1 ml of DCPIP
solution (ml)
0.1% ascorbic acid 1.0
Pineapple juice 4.9
(0.1% pure ascorbic acid contains 1 mg ascorbic acid per cm³)

What is the concentration of vitamin C in the juice?

A. 4.9 mg cm³‫־‬
B. 1.0 mg cm³‫־‬
C. 0.20 mg cm³‫־‬

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D. 2.0 mg cm³‫־‬
Section C

41 Figure 22 shows the nucleus of somatic cell.

FIGURE 22

Which of the following is not the nucleus of a gamete?

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42 Figure 23 shows the level of antibodies in a patient’s blood after being immunized.

Antibody concentration in the

body

Time (days)
Immunity
level

DIAGRAM 23
2 4 6 8 10 12 14
Which of the following is true about the immunity shown?

I. It gives temporary protection

First Second
II. SerumInjection
is injected into the patient’s body
injection
III. It gives immediate immunity against the disease
IV. White blood cells are stimulated to produce antibody

A. II and III only

B. I, II and III only
C. II, III and IV only
D. I, II, III and IV

43 Which of the following are the adaptations of the body structure of birds for flying?

I. Hollow bones
II. Aerofoil wings
III. Aerodynamic shape
IV. Strong sternum muscle

A. I, II, III and IV

B. I, II and III only
C. II, III and IV only
D. I, II and IV only

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44 Figure 24 shows the effect of industrial waste on the organisms that live in a river

FIGURE 24

The number of algae reduced from X to Y due to the

A. increase in the number of herbivore animal

B. reduction the amount toxic subtances in the river
C. industrial waste reduced the light intensity in water
D. Algae was floated further down the river

45 In a food chain, 90% of energy is lost when transferred from one tropic level to another.
Which of the following shows the correct energy transfer?

A B C D

Producer Producer Producer Producer

80,000 kJ 80,000 kJ 80,000 kJ 80,000 kJ

Primery Primery Primery Primery

Consumer Consumer Consumer Consumer
88,000 kJ 72,000 kJ 8,000 kJ 88,000 kJ

secondary Secondary secondary Secondary

Consumer Consumer Consumer Consumer
96,000 kJ 64,000 kJ 800 kJ 96,000 kJ

46 In an ecosystem, the human activity will caused the following problems EXCEPT

A. Extinction of organism
B. Land slide
C. Green house effect
D. Soil fertility

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47 Fugure 25 shows part of nitrogen cycle. P and Q are microorganism which found in fertile
soil.

Atmospheric
Nitrogen

Nitrite
Nitrate
Q

FIGURE 25

Which of the following is correct?

P Q
A Rhizobium sp Nitrobacter sp.
B Azotobacter Nitrosomonas sp.
C Nostoc sp Nitrobacter sp.
D Nitrobacter sp. Nostoc sp.

48 The Graph 1 shows the distribution of students for the certain characteristic

Number of student

GRAPH 1

Which of the characteristic will shows the same pattern as shown in Graph 1 ?

A. Shapes of ear lobes

B. Height of the body
C. Ability to roll the tongue
D. Types of fingerprints

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49 Which of the following contraception method that can be use to stop follicle development
in a hu of woman?

A. Spermicide
B. Intrauterine divice
C. Contraceptive pills
D. Vasectomy

50 Figure 26 shows a longitudinal section of the root tip of a plant and three types of cells
taken from the three zones

FIGURE 26

What cells can be found in zones, J, K and L?

J K L
A III I II
B I III II
C II I III
D I II III

END OF QUESTION PAPER

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