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SULIT 4551/1 4551/1 Biologi

4551/1 @ 2007 Hak Cipta SBP [Lihat sebelah

SULIT

Kertas 1 Ogos 2007 1 jam 15 min

SEKTOR SEKOLAH BERASRAMA PENUH BAHAGIAN SEKOLAH

KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERCUBAAN SPM 2007

BIOLOGI

Kertas 1

1 Jam 15 Minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1. Kertas soalan ini adalah dalam Bahasa Inggeris.

2. Calon dikehendaki membaca maklumat di halaman 2.

Kertas soalan ini mengandungi 25 halaman bercetak.

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INFORMATION FOR CANDIDATES

1. This question paper consists of 40 questions.

2. Answer all questions.

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

4. Blacken only one space for each question.

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

made. Then blacken the space for the new answer.

6. The diagram 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 40, 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.

Section A

1 Diagram 1 shows an organelle found in a cell. Which process occurs in P? A. Photosynthesis. B. Synthesis of protein C. Synthesis of enzyme D. Generation of energy

2 Which of the following is organelle Q? A. Cytoplasm. B. Mitochondria. C. Rough Endoplasmic Reticulum. D. Smooth Endoplasmic Reticulum

DIAGRAM 1

Ribosome can be found freely in the cytoplasm or can be attached to organelle Q.


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3 Which of the following terms explains a process of water movement from a hypotonic solution to a hypertonic solution through a semi-permeable membrane?

A. Osmosis. B. Diffusion. C. Active transport D. Passive transport

4 Which of the following show passive transport?

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

5 Which of the following is the inorganic compound in the cell? A. Proteins B. Lipids C. Water D. Nucleic acid


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6 Which of the following carbohydrates is a monosaccharide?

A. Maltose B. Fructose C. Lactose D. Sucrose

7 Diagram 2 shows a molecule of an organic compound.

DIAGRAM 2

Which of the following molecules is X?

A. Sugar B. Protein C. Maltose D. Triglycerides

8 Diagram 3 shows a phase of mitosis taking place in the nucleus of an animal cell.

DIAGRAM 3 What is the phase?

A. Prophase B. Metaphase C. Anaphase D. Telophase

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9 Which part of the chloroplast A,B, C and D does the light reaction occur?

10 Diagram 4 shows the human digestive system. DIAGRAM 4 Which one of the following organs A,B,C and D functions both as an endocrine and exocrine gland?

D

C

B

A


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11 Diagram 5 shows part of the digestive system of a rabbit.

DIAGRAM 5

Which of the following A,B,C and D contains microbes that help cellulose digestion?

12

DIAGRAM 6

Which of the following is NOT TRUE about structure M

A. Has a thick wall B Has a rounded shape C Has moist surface D Has lots of blood capillaries

M


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13

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

Anaerobic respiration Aerobic respiration

A Lactic acid Ethanol

B Carbon dioxide and water Ethanol

C Lactic acid Carbon dioxide and water

D Carbon dioxide Ethanol

14 Diagram 7 shows plants in the mangrove swamp.

DIAGRAM 7

What is the structure of P ? A Prop roots B Vivipary seeds C Pneumatophores D Succulent leaves

P


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15 Pavo cristatus is the scientific name for peacock. The word cristatus refers to

A. Genus B Species C Class

D Order

16 Which of the following activities causes greenhouse effect?

A. Logging B. Urbanisation C. Burning of fossil fuel D. Build more glass walled building

17

Diagram 8 shows a section through the heart and its associated blood vessels.

DIAGRAM 8

Which of the following A,B,C and D is the pulmonary vein?

18 What is the role of the pacemaker in the heart?

A. It decreases pressure in the ventricles.

B. It stops the back flow of blood in the heart.

C. It regulates the rate of contraction of the heart muscle.

D. It increases the blood flow through the coronary arteries.


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19 Diagram 9 shows a cross section of a dicotyledonous root.

DIAGRAM 9

Which of the labelled parts A,B, C or D is the xylem?

20 Diagram 10 shows four types of human bones

DIAGRAM 10

Which bones are parts of the axial skeleton?

A. P and Q only B. R and S only C. P, Q and S only D. Q, R and S only

D

A

B

C

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21 Diagram 11 shows a typical cervical vertebra.

DIAGRAM 11

Which of the following is P?

A. Centrum B. Neural spine C. Neural canal D. Vertebra arterial canal

22 Which of the following sequence shows the correct path for the sperm to fertilise the secondary oocyte?

A. Vagina, ovary, uterus B. Vagina, fallopian tube, ovary C. Vagina, uterus, fallopian tube D. Uterus , fallopian tube, ovary

23

Which of the following is a structure developed from integument of a flowering plant after fertilization?

A. Testa B. Seed C. Fruit D. Gamete

P

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24 Diagram 12 shows part of a flower at one stage during reproduction.

DIAGRAM 12

Which of the following is structure X?

A. Polar nuclei B. Pollen grain C. Synergid cell D. Antipodal cell

25 Diagram 13 shows the basic unit that makes up the DNA molecules

DIAGRAM 13

Which of the following represent P,Q and R.

P Q R

A Phosphate Base Sugar

B Phosphate Sugar Base

C Sugar Base Phosphate

D Base Phosphate Sugar

X


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Section B

26 Diagram 13 shows a muscle tissue in human.

DIAGRAM 13

Which of the following organs has this type of muscle?

A. Liver B. Heart C. Kidney D. Stomach

27

Diagram 14 shows the environment of a multicellular organism.

DIAGRAM 14

Which of the parts labeled P,Q,R, and S make up the internal environment ?

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


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28 Diagram 15 shows a plant strip immersed in solution X for 30 minutes.

DIAGRAM 15

What is solution X? A. Sucrose solution 5%. B. Sucrose solution 30%. C. Salt solution 1%. D. Distilled water.

29

A cylindrical potato strips are placed in a different concentration of sucrose solution. The mass of potato strips at the beginning and end of the experiment is recorded. Which of the following graphs represents the result of the experiment?

A

C

B

D


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30

The diagram below shows a cell cycle.

DIAGRAM 16 What is the process occur during V?

A. Replication of DNA B. Replication of centrioles C. Chromosomes condense and become shorter and thicker D. High metabolic rate and synthesis of proteins and cellular organelles

31

A normal couple give birth to a Down Syndrome child. Which statement explain the situation?

A. Chromosome number 21 is not separate. B. Segregation of alleles are not complete. C. Recombination of chromosomes does not occur D. Fusion of gamete is not at random

32

Which one of the following disease is related to R, S and T ?

A. Cancer B. Syndrome Down C. Arthritis D. Leukemia

R – Chemical compounds S – Carcinogenic compounds T – Changes in the sequenced of DNA


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33

Which of the following is nutrient X?

A. Fat B. Protein C. Starch D. Cellulose

34 Diagram 17 shows an experiment to investigate yeast activity.

DIAGRAM 17 The yeast is suspended in a glucose solution. Which of the following occurs during the experiment?

A. Carbon dioxide is produced B. Anaerobic respiration takes place C. Complete breakdown of glucose D. Lactic acid will produce

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35 Which of the following cause eutrophication?

I. Run-off excess nutrients into pond II. Discharge of untreated sewage in water source

III. Increase photosynthesis rate of aquatic plant IV. Inorganic fertilizers dissolve into soil which contains water

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

36

Diagram 18 show a blood circulatory system in human

DIAGRAM 18 Which of the following is TRUE about blood flow and blood pressure at L and M? L M Blood flow Blood pressure Blood flow Blood pressure A Fast High Slow Low B Fast Low Slow Low C Slow High High High D Slow Low High High

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37

Diagram 19 shows the fins of a fish.

DIAGRAM 19 Which one of the fins A, B, C and D helps the fish to stay upright and stops it rolling in the water?

38

About 170 litres of fluid are filtered by the kidneys every day. Only 1.5 litres are excreted in the urine. What happens to the remaining 168.5 litres?.

A. It becomes tissue fluid B. It is stored in the bladder C. It is reabsorbed into the blood D. It is lost as sweat

39 A hand is withdrawn when pricked by a sharp needle. The following events take place in the neuron system.

Which of the following is the correct sequence of the events that take place?

P -Activation of muscle Q - Activation of receptor R - Passage of impulses along efferent neuron S - Passage of impulses along afferent neuron


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40 Diagram 20 shows a bar graph showing the variations of a character.

DIAGRAM 20 Which of the following characteristics is represented by the bar graph?

A. Blood group B. Height C. Eye colour D. Tongue-rolling


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Section C

41 Diagram 21 shows the process of synthesis and secretion of enzyme in a cell.

DIAGRAM 21 What will happen if organelle T is not present?

A. Energy cannot be generated B. Enzyme cannot be synthesized C. Protein synthesized cannot be modified D. Protein synthesized cannot be transported

42

The graph shows level of urea concentration in the blood, before and after the failure of organ Y to function. What is Y?

A. Kidney B. Stomach C. Liver D. Colon


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43 Diagram 22 shows the arrangement of apparatus to measure the quantity of gas in the air.

Diagram 22 Initial length of bubble gas……………………….................... 10.00 cm Length of bubbles gas + potassium hydroxide solution………. 9.40 cm Length of bubble gas + potassium pyrogalate solution……….. 8.00 cm Percentage of oxygen in the air sample is

A. 6% B. 10% C. 14% D. 16%


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44 Diagram 23 shows a simple nitrogen cycle.

DIAGRAM 23

Which of the following occurs if process L and M are stopped?

A. Increase of nitrogen in the atmosphere B. Production of plant protein is reduced drastically C. Large number of animal protein is synthesised D. All ammonia is converted directly to nitrate by bacteria

45 The CFCs in the air condition of refrigerator have been replaced by HCFC. Which of the following statement explains the reason for the replacement?

A. HCFC reduce emission of chlorine that cause thinning of ozone layer B. HCFC is not easily broken by the UV and help maintain the ozone layer C. HCFC is a lot cooler gas compared to CFC D. HCFC is heavy gas so it does not rise to ozone


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46

Which of the following reasons explains the statement?

A. The antiserum becomes effective immediately. B. The antiserum kills many different kinds of bacteria. C. The effect of the immune serum is very long lasting. D. The immune system is stimulated to produce antibodies.

47

Diagram 24 shows a bone from the forelimb (arm). One end of bone has been replaced with a metal cap.

DIAGRAM 24 Which of the following movements is hindered if metal cap is not replaced?

A. Shoulder joint cannot move B. Hip joint is dislocated C. Hinge joint at arm cannot bend D. The leg cannot be straightened

Passive immunity against tetanus is acquired by

injection with an antiserum.


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48

Diagram 25 shows part of the nervous system, including a reflex arc. It has been cut at X. The finger is pricked by a thumbtack, as shown.

DIAGRAM 25 What are the effects of the prick? Pain felt Arm moved A No No B No Yes C Yes No D Yes Yes


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49

Diagram 26 shows inheritance of alleles in gametes.

Diagram 26

Which of the following is the phenotype of offspring if gametes I is fertelised by gamete IV.

A. Inflated pot, wrinkled seed B. Inflated pot, round seed C. Wrinkled pod,wrinkled seed D. Wrinkled pod, round seed

50

One gene has alleles R and r. Another gene has alleles Y and y. A male heterozygous of both alleles is crossed with a female homozygous recessive for both alleles Which of the following are the probable alleles of the offspring.

Alleles of the offspring A RRYY RRyy rrYY RrYY B RrYy Rryy rrYy rryy C rRyy rryy RRYy RrYY D RRYY rryy rRyY Rryy

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