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BIOLOGY Paper 1 September 2012 1 ¼ hours

SMJK PEREMPUAN CHINA PULAU PINANG TRIAL EXAM

2012

BIOLOGY PAPER 1 1 HOUR 15 MINUTES

DO NOT OPEN THIS BOOKLET UNTIL INSTRUCTED

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. The following information describes an

organelle P.

- Spherical shaped

- Consists of ribonucleic acid and proteins

- Involves in protein synthesis

Which organelle does organelle P attached to?

A Smooth endoplasmic reticulum

B Rough endoplasmic reticulum

C Golgi Apparatus

D Ribosome

2. Diagram 1 shows the tissue of a human organ.

Diagram 1

Which of the following organelles is found in

large number in the cells of the tissue?

A

B

C

D

3. Diagram 2 represents a plasma membrane.

Outside of cell

 

Diagram 2

The movement of lipid-insoluble molecules is

restricted by which labelled part, A, B, C or D?

4. Which of the following requires a carrier protein?

A Osmosis

B Active transport of charged ions such as

K+

C Simple diffusion of lipid-soluble

molecules such as vitamin E

D Facilitated diffusion of charged ions such

as Cl-

5. Protease can be used to

I tenderise meat

II separate the skin of fish

III remove hairs from animal hides

IV remove starch stains from clothes

A I and II only

B II and III only

C III and IV only

D I, II and III only

6. Diagram 3 shows an experiment to investigate

the movement of molecules across a semi-

permeable membrane.

Diagram 3

What can solutions X, Y, and Z be?

X Y Z

A

sucrose

solution

Distilled

water

sucrose

solution

B Distilled

water

sucrose

solution

sucrose

solution

C

sucrose

solution

sucrose

solution

Distilled

water

D

sucrose

solution

sucrose

solution

Distilled

water

7. Diagram 4 shows the nucleus of a somatic cell

found in an organism.

Inside of cell 

A B

C

D

Start

Visking tubing

Solution Y

Solution X Solution Z

Tube P Tube Q

After 30 minutes

Tube P Tube Q

 

Diagram 4

Which of the following is not possibly the

nucleus of a normal gamete that could be

produced from this cell?

A

C

B

D

8. The following information shows the results of

an experiment to determine the energy content

in a food sample, that is, cashew nut.

Mass of cashew nut

Mass of water

Initial temperature of water

Final temperature of water

Specific heat capacity of water

What is the energy value of cashew nut?

A B C D

9.

- P is a tree that produces fruits.

- Q is a green plant that lives on the branches

of P.

- R lives on the bark of P but it does not have

green leaves nor visible roots. R feeds on the

cell sap of the phloem tissue in P.

- S lives in the soil near the roots of P and

feeds on dead leaves.

What types of nutrition are practised by

organisms P, Q, R and S?

I P is an autotroph.

II Q is a parasite.

III R is an epiphyte.

IV S is a saprophyte.

A I and III only

B I and IV only

C II, III and IV only

D I, II, III and IV

10. Diagram 5 shows a part of the human

digestive system.

Diagram 5

The parts that secrete enzymes which digest

proteins are

A 2, 3, 5

B 4, 5, 6

C 1, 2, 4, 5

D 3, 4, 5, 6

1 2

3 4

5

6

 

11. The table shows the results of an experiment

to determine the vitamin C content in two

samples of fruit juices.

Material Volume of sample needed

to decolourise of

DCPIP solution ( )

ascorbic acid

0.2

Guava 1.0

Pineapple 1.8

Calculate the percentage of vitamin C in the

fruit juices.

Guava Pineapple

A B C D

12. Diagram 6 shows the relationship between

respiration and photosynthesis.

Diagram 6

What do P, Q, and R represent?

P Q R

A Heat energy

+ ATP

B Heat energy

+ ATP

C Heat energy

+ ATP

D Heat energy

+ ATP

13. Under what conditions would a person

experience the following changes in his body?

- An increase in the number of red blood

cells.

- An increase in the haemoglobin level of

the blood.

- An increase in the number of heartbeats.

I At high altitudes

II At low atmospheric pressure

III In crowded room

IV During deep-sea diving

A I and II only

B I and III only

C II and IV only

D III and IV only

14. The information is about respiration.

P: The breakdown of glucose is

incomplete.

Q: Takes place in the mitochondria.

R: Produces lactic acid and energy.

S: Two molecules of ATP are produced for

every molecule of glucose oxidised.

Which statements are relevant to the process

of anaerobic respiration in animals?

A P and R only

B Q and S only

C P, R and S only

D P, Q and R only

P

Q

R

Respiration Light energy + chlorophyll

 

15. The information shows the results of an air

sample using a J-tube.

Original length of air column

Length of air column after addition of

saturated potassium hydroxide

Length of air column after addition of

alkaline potassium pyrogallate solution

What is the percentage of oxygen in the air

sample?

A B C D

16. Diagram 7 shows changes in air pressure in

the lungs of a person at rest.

Diagram 7

What is the condition of the intercostals

muscles and the shape of the diaphragm at Q?

External intercostals

muscles Diaphragm

A Contracted Flattened

B Contracted Dome-shaped

C Relaxed Flattened

D Relaxed Dome-shaped

17. Under which conditions does water flow

across the gills of a fish?

Mouth Operculum

Floor of the buccal cavity

A Open Closed Lowered

B Open Closed Raised

C Closed Open Raised

D Closed Closed Lowered

18.

- This kingdom comprises unicellular and

multicellular eukaryotic organisms, all of

which are saprophytic and have cell walls

that contain chitin.

The kingdom described above is

A Monera

B Protista

C Fungi

D Plantae

19. The following information is related to an

adaptive characteristic of mangrove trees.

- Germination occurs when the seeds are

still attached to the parent plant.

What is the phenomenon described?

A Oviparity

B Immobilisation

C Ovoviviparity

D Viviparity

 

 

Atmospheric pressure

P Q R S T time

 

20. Diagram 8 shows the nitrogen cycle.

Diagram 8

Name bacteria P.

A Nostoc sp.

B Rhizobium sp.

C Nitrobacter sp.

D Nitrosomonas sp.

21. A water body with a high Biochemical Oxygen

Demand (BOD) level has been contaminated

with

A toxic chemicals from industries.

B oil-spills and sludge from tankers and

ships.

C organic waste from factories and

houses.

D pesticide run-off from agricultural areas.

22. Acid rain is caused by

A the extensive use of CFC’s in aerosols,

cooling systems and in plastic foam.

B the burning of fossil fuels containing

sulphur.

C the burning of petrol containing lead

addictives.

D incomplete combustion that produces

carbon monoxide.

23. Diagram 9 shows a chemical reaction that

takes place in the Earth’s stratosphere.

Diagram 9

What does this reaction cause in the long

term?

A Increased incidence of cataracts and skin

cancer in humans.

B Global warming, decertification, melting of

polar ice caps, rise in sea levels.

C Destruction of concrete and metal

structures.

D Weather extremes such as prolonged

droughts, very heavy rains and typhoons.

24. Diagram 10 shows a blood capillary system in

mammal.

Diagram 10

What happens to this system?

I Blood flows from the arteriole to the

venule through the blood capillary.

II Haemoglobin in the blood diffuses from

the capillary into the body cell.

III Oxygen in the blood diffuses from the

capillary into the body cell.

IV Carbon dioxide from the body cell

Nitrogen in atmosphere

Animal proteins

Plant proteins Nitrates

Nitrites Ammonium compounds

Bacteria

Solar and ultraviolet radiation CFC-11

(CFCl3) Chlorine monoxide (ClO)

(Chain reaction)

Chlorine atom (Cl)

Oxygen molecule (O2)

Ozone molecule (O3)

Chlorine atom (Cl)

CFCl2

venule blood capillary body cell

arteriole

 

diffuses into the blood capillary.

A I and IV only

B II and III only

C I, III and IV only

D I, II, III and IV

25. Diagram 11 shows two types of acquired

immunity.

Diagram 11 Which of the following statements about the

two types of immunity is correct?

A Immunity J is due to a vaccine injection,

immunity K is due to an antibiotic

injection.

B Immunity J is long-lasting, immunity K is

temporary.

C Immunity J is a passive immunity,

immunity K is an active immunity.

D Immunity J involves foreign antibodies,

immunity K involves the body’s own

antibodies.

26. Diagram 12 shows a longitudinal section of

the human heart.

Diagram 12

Which part, A, B, C or D, receives blood from

the lungs?

27. Diagram 13 shows cross sections of leaf,

stem and root of a dicotyledonous plant

which has been exposed briefly to radioactive

carbon dioxide (14CO2).

Leaf Stem Root

Diagram 13 In which parts of the cross sections can

radioactivity be detected?

A 1, 3, 5

B 2, 4, 6

C 1, 4, 5

D 2, 3, 6

28. In which vertebra is odontoid process found?

A Thoracic vertebra

B Lumbar vertebra

C Axis

D Atlas

Antibodies in blood

Immunity level

Immunity level

Antibodies in blood

1st injection

1st injection

2nd injection

2nd injection

Time (weeks)

Time (weeks)

0 1 2 3 4 5 6 7 8 9101112

0 1 2 3 4 5 6 7 8 9101112

Immunity

Immunity

A

B

C

D

1

2

3 4 5 6

0

 

29. Diagram 14 shows a cervical vertebra.

Diagram 14

Which of the following structures are found in

the parts labelled P and Q?

P Q

A Spinal cord Coronary artery

B Spinal cord Carotid artery

C Coronary artery Spinal cord

D Carotid artery Spinal cord

30. Diagram 15 shows the joint of a human limb.

Diagram 15

Which labelled part is tough and elastic?

31. What is the effect of antidiuretic hormone?

A Lowers the blood glucose level after

meals.

B Increases the permeability of the distal

convoluted tubule and collecting duct.

C Decreases the reabsorption of sodium

ions from the loop of Henle.

D Increases the reabsorption of water

from blood capillaries into the distal

convoluted tubule and collecting duct.

32. Diagram 16 shows the glomerulus and the

Bowman’s capsule of a nephron.

Diagram 16

When the blood flows through N, a fluid

appears in K as shown in Diagram 16. The

fluid flows into K because

A the osmotic pressure forces fluid out of

N.

B the blood pressure in N is higher than

pressure in K.

C the fluid in N flows directly into the

urinary bladder.

D dialysis causes the increase in the fluid

in N.

33. Diagram 17 shows a longitudinal section of

the human brain.

Diagram 17

Which labelled parts P, Q, R or S, controls

peristalsis and the regulation of body

temperature?

Peristalsis Regulation of body temperature

A P Q

B R S

C P R

P

Q

A

B

C

D

K N

P

Q R

S

 

D Q P

34. Diagram 18 shows an experiment to study the

response of a shoot tip towards sunlight. The

shoot tip obtains uniform sunlight from all

directions.

Diagram 18

Which of the following will result in the shoot

tip moving towards X?

A

C

B

D

35. Which cells contain the same number of

chromosomes as a fertilised ovum?

I Skin cells

II Oogonia

III Secondary oocytes

IV Red blood cells

A I and II only

B II and IV only

C I, II and III only

D I, III and IV only

36. Diagram 19 shows the endometrium wall of

the menstrual cycle.

Diagram 19

What is the hormone that is responsible in

the growth of the uterine lining before day 14?

A Oestrogen

B Progesterone

C Luteinising hormone (LH)

D Follicle stimulating hormone (FSH)

37. Diagram 20 shows a contraceptive method.

Diagram 20

Which of the following describes the results

of the above method correctly?

I An irreversible method

II Failed to ejaculate

III Sperms production will stop

IV Sperms will not enter in semen

A I and II

B I and IV

C II and III

D III and IV

Shoot tip

Shoot

X

Shoot tip Shoot tip

Shoot tip

Shoot Shoot

Shoot Shoot

Menses Menses

Follicular phase

Luteal phase

Ovulation 14 days 28 days 0 day

 

38. Which of the following hormones stimulates

the production of follicle stimulating hormone

(FSH) in the menstrual cycle?

A Oestrogen

B Progesterone

C Luteinising hormone

D Gonadotrophin releasing hormone

39. Diagram 21 shows the formation of twins.

Sperm Ovum Morula

Diagram 21 Which of the following is true about the twins?

A They share the same placenta.

B They may be of the same sex or

different sexes.

C They share a slightly different genetic

constitution.

D They share the same umbilical cord.

40. Diagram 22 shows a placenta in the uterus of

a pregnant woman.

Diagram 22

Which blood vessels have the highest oxygen

and nutrient contents?

A K and L

B K and M

C M and N

D N and L

41. Diagram 23 shows the formation of pollen

grains.

Diagram 23

What is the chromosomal number in each cell?

K L M N

A 2n 2n n n

B 2n n n n

C 2n 2n 2n n

D 2n n 2n n

42. Which of the following does not happen

during the formation of embryo sac in the

ovule?

A The embryo sac mother cell undergoes

meiosis to form four haploid megaspores.

B All four megaspores will undergo mitosis

three times to form eight haploid cells.

C Three of the eight haploid nuclei will

migrate to one end of the cell to form

antipodal cells.

D The centre of the embryo sac has two

polar nuclei.

43. Diagram 24 shows the growth zone in a plant

root.

Diagram 24

Which of the following zones A, B, C and D

has small-sized cells but with a big nucleus?

Two separate embryos 

K N

L M

placenta

K L M N

A

B

C D

 

44. Why is the first baby with positive Rh, of a

mother that has negative Rh, safe but the

foetus with positive Rh in her second

pregnancy will suffer from harm?

I The firstborn usually does not have

Rhesus antigens.

II The mother produces anti-Rh antibodies

after the birth of her first child.

III The mother’s Rhesus antigens are

destroyed after the birth of her first child.

IV Anti-Rh antibodies in the mother diffuse

into the foetus of her following pregnancy.

A I and III only

B II and IV only

C II, III and IV only

D I, II, III and IV

45. Diagram 25 shows cystic fibrosis in the

pedigree of a family.

Diagram 25

Cystic fibrosis is controlled by a recessive allele.

What are the genotypes of individuals P and Q?

P Q

A Ff Ff

B ff Ff

C Ff ff

D FF Ff

46. In humans, haemophilia is the result of an X-

linked chromosomal mutation. If a normal

female who is a non-carrier marries a male

who is a haemophiliac, what are the

phenotypes of their children?

A Half of their daughters are normal and

half of their sons are haemophiliacs.

B All their sons are normal and all their

daughters are carriers.

C All their daughters are normal and all

their sons are carriers.

D All their sons are normal and all their

daughters are haemophiliacs.

47. Diagram 26 shows the karyotype of a female

gamete.

Diagram 26

The female gamete fuses with a male gamete

with chromosomal number 22 + Y.

The offspring produced may have

A Down’s syndrome

B Turner’s syndrome

C Klinefelter’s syndrome

D Edward’s syndrome

First generation

Second generation

Third generation

Normal male Affected male Normal female Affected female

F- Normal

f- Cystic fibrosis

Key:

P

Q

 

48. Which of the following shows the

chromosome set in the human sperms?

A 22 + X

B 22 + XY

C 23 + Y

D 23 + X

49. Diagram 27 illustrates how information from a

gene is converted into a polypeptide.

Diagram 27

What are processes X and Y?

Process X Process Y

A Translation Transcription

B Transcription Translation

C Transformation Translation

D Transcription Transformation

50. Which of the following is a character which

shows continuous variation?

A Height

B ABO blood groups

C Ability to roll tongue

D Thumb hyperextension

 

 

 

 

END OF QUESTION PAPER Prepared by: Checked by: Approved by:

Cheang Mun Yee

Sept 2012

Answers: 

1  B  11  C  21 C  31  B  41  B 

2  C  12  C  22 B  32  B  42  B 

3  A  13  A  23 A  33  D  43  D 

4  B  14  C  24 C  34  B  44  B 

5  D  15  C  25 B  35  A  45  A 

6  D  16  D  26 C  36  A  46  B 

7  B  17  C  27 D  37  B  47  A 

8  C  18  C  28 C  38  D  48  A 

9  B  19  D  29 B  39  A  49  B 

10  B  20  D  30 D  40  A  50  A 

DNA

Process X

messenger RNA

Process Y Nucleus

Cytoplasm Polypeptide