biologi 1 solaf 2

SOLAF 2 4551/1

4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak 1 SULIT

1. Diagram 1 shows an animal cell.

Diagram 1

What are P, Q and R?

P Q R

A Nucleus Rough endoplasmic reticulum Vesicle

B Vesicle Golgi apparatus Nucleus

C Mitochondrion Rough endoplasmic reticulum Chromosome

D Mitochondrion Smooth endoplasmic reticulum Chromosome

The flow chart below shows the organisation of multicellular organism.

What are P, Q and R?

P Q R

A Smooth muscle Epithelial Stomach

B Epithelial Stomach Digestive

C Small intestine Epithelial Digestive

D Cardiac muscle Epithelial Circulatory

Cell → P → Q → R → Organism

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3.

Diagram 2 shows a cell.

Diagram 2

Which organelle is found in abundance in the cell shown in Diagram 2?

4. Diagram 3 shows a structure of plasma membrane.

Diagram 3

What is P?

A

B

Cholesterol

Phospholipid

C

D

Carbohydrate

Carrier protein

5. Diagram 4 shows an experiment to investigate the movement of substances through a

visking tube.

Diagram 4

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What is the process that takes place in Diagram 4?

A

B

Osmosis

Active transport

C

D

Facilitated diffusion

Facilitated transportation

6. Diagram 5 shows the movement of molecules P through the plasma membrane.

Diagram 5

Which conclusion could be obtained from Diagram 5?

A Molecule P is soluble in lipid

B Molecule P moves by osmosis

C Molecule P moves by active transport

D Molecule P moves by facilitated diffusion

7. Cucumber slices are immersed in 0.1% sucrose solution. After 3 hours, the slices are

found to be turgid and hard. Which of the following statements explains this

phenomenon?

A The high osmotic pressure in the vacuole causes water to diffuse into the cell

B The cell sap is hypotonic towards the sucrose solution

C The cucumber cell wall prevents it from shrinking

D The cucumber cell wall allows the sucrose molecules to diffuse into the cell

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8. Diagram 6 shows the molecular structure of three food classes.

Diagram 6

Which food classes do X, Y and Z belong to?

X Y Z

A Carbohydrate Protein Lipid

B Protein Lipid Carbohydrate

C Protein Carbohydrate Lipid

D Lipid Carbohydrate Protein

9. Diagram 7 shows the process of formation of a disaccharide molecule.

Diagram 7

What is process X?

A

B

Dialysis

Condensation

C

D

Hydrolysis

Assimilation

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10. Diagram 8 shows how an enzyme works.

Diagram 8

Which property of an enzyme is shown in Diagram 8?

A Enzyme reaction is specific C Enzyme reaction is affected by

temperature

B Enzyme reaction is affected by pH D Enzyme structure changes at the end

of reaction

11. Diagram 9 shows the rate of enzyme hydrolysis reactions, R and S, in the human body.

Diagram 9

Which of the following is true about enzymes R and S?

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12. Diagram 10 shows a chart of the cell cycle.

Diagram 10

In which phase does the cytokinesis takes place?

A Phase V

C Phase Y

B Phase W D Phase Z

13. Diagram 11 shows a cell undergoing stage Q of mitosis.

Diagram 11

What is stage Q?

A Anaphase C Prophase

B Metaphase D Telophase

14. Which of the following human cells is produced through meiosis?

A Muscle cell C Sperm cell

B Nerve cell D Epithelial cell

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15. Diagram 12 shows a stage of meiosis in a cell of an animal.

Diagram 12

What is the diploid number of chromosomes in each somatic cell of the animal?

A 2 C 8

B 4 D 14

16. Diagram 13 shows a unicellular organism.

Diagram 13

What type of nutrition is conducted by the organism?

A Autotroph nutrition C Parasitic nurition

B Holozoic nutrition D Saprophytic nutrition

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17. Diagram 14 is a bar chart which illustrates the energy requirements of individuals

P, Q and R.

Diagram 14

Which individuals are represented by P, Q and R?

P Q R

A Clerk Construction worker Breast feeding mother

B Breast feeding mother

Construction worker Clerk

C Breast feeding mother

Clerk Construction worker

D Clerk Breast feeding mother

Construction worker

18. Which of the following is an effect of malnutrition?

A Dwarfism C Night blindness

B Colour blindness D Muscular dystrophy

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19. Diagram 15 shows the pathway of nutrients to a body cell.

Diagram 15

What is process X?

A Assimilation C Hydrolysis

B Detoxification D Deamination

20. Diagram 16 shows the graph of the volume of carbon dioxide taken in or released by a

plant in a forest at different light intensities.

Diagram 16

Which of the following is true about the information obtained from the graph?

A At point W, the quantity of carbon dioxide released is zero

B At point X, the quantity of the intake the release of carbon dioxide are equal

C At point Y, the quantity of carbon dioxide release is maximum

D At point Z, the quantity of the intake and the release of carbon dioxide are equal

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21. Diagram 17 shows a respiratory structure in an organism.

Diagram 17

What is the respiratory structure shown in the diagram?

A Gills C Alveolus

B Trachea D Moist skin

22. Diagram 18 shows an equation for aerobic respiration.

Diagram 18

What are P, Q, R, S and T?

P Q R S R

A Glucose Carbon dioxide

Oxygen Water ATP

B ATP Glucose Oxygen Carbon dioxide

Water

C Carbon dioxide

ATP Glucose Oxygen Water

D Glucose Oxygen Carbon dioxide

Water ATP

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23. Diagram 19 shows an experiment on anaerobic respiration in yeast.

Diagram 19

Which of the following are observed after 30 minutes?

X Temperature in thermos-flask increases

Y Lime water turns cloudy

Z Gas bubbles are released

A X and Y only C X and Z only

B Y and Z only D X, Y and Z

24. Which of the following are abiotic components in an ecosystem?

I Consumer III Decomposer

II Humidity IV Light intensity

A I and II C II and IV

B I and III D III and IV

25. The following information is related to a process occurring in an ecosystem.

The process is

A Succession C Colonisation

B Competition D Evolution

The pioneer species is replaced by a new species which is more adapted

to the habitat

The process occurs gradually over a long period of time

The process ends with a climax community

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26.

Diagram 20 shows three different types of interaction between organisms.

Diagram 20

Which of the following is true about the interactions K, L and M?

K L M

A Mutualism Commensalism Parasitism

B Mutualism Parasitism Saprothytism

C Saprothytism Commensalism Mutualism

D Parasitism Commensalism Mutualism

27. The following information is about a sampling technique to estimate the population size

of garden snails in a habitat.

Which sequence is correct?

P – Capture at random a number of garden snails and record the number which

are marked

Q – Release the garden snails in the same habitat

R – Capture a large number of garden snails and mark each shell

S – Calculate the population of the garden snails

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28. Which of the following does not cause water pollution?

A Carbon dioxide C Excess fertilizers

B Sewage D Industrial waste

29. Diagram 21shows an environment phenomenon.

Diagram 21

What is the phenomenon?

A What is the phenomenon?

C Air pollution

B Ozone depletion D Radiation effect

30. The following information shows steps in the reactions during the destruction of the

ozone layer.

P - Chlorine atom reacts with ozone to produce chlorine monoxide and

Oxygen molecules

Q - Free oxygen atom will break the chlorine monoxide bond

R - Ultra violet ray breaks the chlorine chemical bond in CFC to produce

free

Chlorine atom

S - Free chlorine atom repeats the chain reaction

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A P, R, Q, S

C R, P,Q, S

B Q, P, R, S D R,Q, P, S

31. Which of the following blood cells carries oxygen in the body?

32. Diagram 22 shows the lymphatic system.

Diagram 22

The role of K is

A to destroy erythrocytes of more than 120 days old

B to produce antibodies to destroy antigens

C to store fatty acid and glycerol absorbed by the lacteal

D to get rid of excess tissue fluid thus preventing oedema

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33. A student steps on a rusty iron nail while playing football in a field.

What treatment should be given to the student?

A Polio vaccine injection C Diphtheria serum injection

B Typhoid vaccine injection D Anti-tetanus serum injection

34. Diagram 23 shows a longitudinal section of a human heart.

Diagram 23

The blood vessel U is the

A Aorta C Pulmonary artery

B Pulmonary vein D Posterior vena cava

35. Diagram 24 shows a human lumbar vertebra.

Diagram 24

What is the function of X and Y in the diagram above?

A Protection for spinal cord C Surfaces for vertebral joints

B Surfaces for muscle attachment D Surfaces for rib articulation

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36. Diagram 25 shows the structure of a human forearm.

Diagram 25

P Q R S

A Relaxes Contracts Pushed downwards Pushed downwards

B Contracts Relaxes Pushed downwards Pushed downwards

C Relaxes Contracts Pulled upwards Pulled upwards

D Contracts Relaxes Pulled upwards Pulled upwards

37. A man is complaining of frequent back pains due to an injury.

Which of the following would help reduce his problem?

I Eat plenty of protein III Do vigorous exercise

II Practice a good posture IV Avoid carrying heavy objects

A I and II C II and IV

B I and III D III and IV

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38. Which of the following neurones transmits the impulse from the receptor to the central

nervous system?

A

B

C

D

39. Which of the following are involuntary actions?

I Riding a bicycle III Reading

II Heart beat IV Sneezing

A

I and II

C

II and IV

B

II and III

D

III and IV

40. Diagram 26 shows the functions of hormones P and Q in regulating the glucose blood

level.

Hormone P

Glucose Glycogen

Hormone Q

Diagram 26

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What are hormone P and hormone Q?

Hormone P Hormone Q

A Insulin Glucagon

B Glucagon Thyroxine

C Thyroxine Insulin

D Adrenaline Androsterone

41. An experiment was carried out to investigate the effect of auxin on the phototropic

response of maize coleoptiles.

Which of the following coleoptiles A, B, C or D will bend towards light after two days?

A

C

B

D

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42. Diagram 27 below is a schematic diagram which shows the stages in ovum formation.

Which of the cells A, B, C or D is an ovum?

Diagram 27

43. Which of the following sequence is the development of the human zygote?

A Zygote morula blastocyst embryo

B Zygote blastocyst morula embryo

C Zygote morula foetus embryo

D Zygote embryo foetus blastocyst

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44. Which of the following statements are true about double fertilisation in a plant?

I One male gamete fuses with the nucleus of an egg cell to form an embryo

II Two haploid nuclei formed in the avule fuse with two male gamete nuclei

III One male gamete nucleus fuses with egg nucleus ti form diploid zygote

IV Two polar nuclei fuse with male nucleus to give rise to the fromation of

endosperm

A I and II only C I, II and III only

B III and IV only D II, III and IV only

45. A medical check-up on a woman shows that there is a blockage in both her oviducts.

Which treatment may help the woman to get pregnant?

A Intrauterine device C Use fertility pill

B In vitro fertilisation D Artificial insemination

46 Diagram 28 shows a change in the chromosome structure caused by mutation.

What type of mutation is this?

Diagram 28

A Translocation C Duplication

B Deletion D Inversion

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47. Diagram 29 shows the karyotype of an individual.

Diagram 29

Which of the following shows the number of chromosome in a gamete produced by the

individual?

A 22 + Y C 44 + Y

B 22 + XY D 44 + X

48. The following information shows the alleles belonging to a pair of married couple.

Which of the following crosses produces male progeny who all have colour blindness?

A

B

XbY X X

BX

b

XBY X X

BX

b

C

D

XbY X X

BX

B

XBY X X

bX

b

49. The mango plant has leaves

of various sizes.

Which of the following graphs represents the variation shown by the characteristic of the

leaves?

B ~ Dominant allele for normal eyesight

b ~ Recessive allele for colour blindness

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A

C

B

D

50

What is the disadvantage of tissue culture?

A Produce identical plants with desirable characteristics.

B Producing thousands of plants that can be used for commercial values

C Prevent genetic variation between individuals.

D Preventing extinction of certain rare plants.

END OF QUESTION PAPER

Tissue culture technique allows biotechnologist to produce

more seedlings in a shorter period of time.

biologi 1 solaf 2

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