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Biology 1

This document is an examination paper for Form 4 Biology at SMJK Chung Ling Pulau Pinang, consisting of 40 objective questions covering various topics in biology. The exam duration is 1 hour and 15 minutes, and students are required to answer all questions by darkening the appropriate answers on an answer sheet. The questions include diagrams and scenarios related to plant biology, human anatomy, enzymes, respiration, and blood physiology.

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0% found this document useful (0 votes)
25 views8 pages

Biology 1

This document is an examination paper for Form 4 Biology at SMJK Chung Ling Pulau Pinang, consisting of 40 objective questions covering various topics in biology. The exam duration is 1 hour and 15 minutes, and students are required to answer all questions by darkening the appropriate answers on an answer sheet. The questions include diagrams and scenarios related to plant biology, human anatomy, enzymes, respiration, and blood physiology.

Uploaded by

sjunchiang
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SMJK CHUNG LING PULAU PINANG

PEPERIKSAAN 2 TAHUN 2022


FORM 4 BIOLOGY
DURATION: 1 hour 15 minutes

Name: ____________________________( ) Class:________________


School Number:_____________________________
40 objective questions (40%)
Answer ALL the questions by darkening the answer on the answer sheet.

1. Which of the following laboratory 3. Which of the following plays an


cabinet is used when handling hazardous important role in transporting sucrose to
gases? all parts of the plant?
A. Laminar flow cabinet
B. Fume hood
C. Biological safety cabinet
D. Reagent cabinet

2. Diagram 1 shows a part of the human


digestive system.

4. Diagram 2 shows the internal structure


of cell X.

Diagram 1
Which organelle can be found in large
numbers in structure Y
A. Smooth endoplasmic reticulum
B. Rough endoplasmic reticulum
C. Mitochondrion Diagram 2
D. Lysosome Which statement is true about cell X?
A. Cell X is a cheek cell
B. Cell X is a mature red blood cell
C. Cell X requires high levels of oxygen
D. Cell X produces high levels of sugars

1
5. 7. Diagram 4 shows a graph of the
Pak Samad sprayed excessive
fertiliser to his long bean plant with percentage of red blood cells bursting in
hopes that the plant will produce different concentrations of sodium
more fruits. Few days later, he found chloride solution.
that the plant becomes wilt.

What causes the long bean plant to wilt?


A. Fertiliser diffuse into the root
B. Root uses too much energy to
transport the fertiliser into the cell
C. Water from the plant root diffuse into
the soil by osmosis
D. Dissolve fertiliser diffuse from the
soil into the root
Diagram 4
A hospital patient requires an intravenous
6. Diagram 3 shows an experiment to
drip. Which concentration of sodium
investigate the changes of sucrose
chloride solution is best for the solution
solution in a Visking tubing.
A, B, C and D to be put into his vein?

8. Which of the following structures is a


polysaccharides?

Diagram 3
Which of the following graphs A, B, C or
D represents the change?

9. The following information refers to the


function of substance K in a cell.
• Medium for biochemical reactions
in cells
• Maintaining osmotic pressure of
cells
What is substance K?
A. Lipid
B. Water
C. Protein
D. Enzyme

2
10. Diagram 5 shows parts of a DNA 13. Diagram 6 shows the action of an
molecule. enzyme to form a disaccharide

Diagram 5
Which pair of nitrogenous base
represents S and T?
S T
A Cytosine Adenine
B Thymine Cytosine Diagram 6
C Guanine Cytosine What is S and T?
D Adenine Guanine S T
A. Galactose Maltose
11. Protease is added to a suspension of egg B. Glucose Sucrose
albumen in a test tube and kept in a water C. Galactose Sucrose
bath at 37oC. After 8 minutes, the D. Glucose Maltose
suspension appearance changes from
cloudy to clear. 14. Diagram 7 shows stage anaphase II in
Which of the following is now present in the process of formation of gamete
the test tube?
A. Water
B. Glucose
C. Amino acid
D. Fatty acid

12. Table 1 shows the substrate and the


optimum pH of four enzymes. Which
Diagram 7
enzyme A, B, C or D is pepsin?
Which of the following is the number of
Enzyme Substrate Optimum pH chromosomes in the parent cell?
A. 3 B. 6
A Starch 6.8
C. 12 D. 24
Protein and
B 8.5
polypeptide 15. The diploid chromosomal number of a
cat is 38. If one of the homologous
C Fat 8.5 chromosome pairs does not separate
D Protein 2.2 during meiosis I, how many
chromosomes can be found in the
Table 1 gametes?
A. 17 B. 18
C. 19 D. 37

3
16. Diagram 8 shows a few stages in the cell 18. The following equation shows the
division of an animal cell. The time fermentation that takes place in paddy
taken for the process is 24 hours. plant.

P Q Glucose Energy + P + Carbon


dioxide
What is value of energy produced and
substance P ?
A. 38 ATP and ethanol
B. 2898kJ and lactic acid
C. 2 ATP and ethanol
S R
D. 150kJ and ethanol

19. An athlete is running a 100 metres race.


The following changes take place in the
athlete’s body during the race.
K: Increase availability of oxygen to
muscles.
L: Increased breathing rate.
Diagram 8
M:Increased carbon dioxide
Which of the following is true about
concentration in the blood
the cell division?
N:Muscular activity produce carbon
i. S has the same genetic material as P.
dioxide.
ii. R is produced from cytokinesis which
occurs after division of the nucleus. Which sequence is correct?
iii. The number of S produced after 48 A. K → L → M → N
hours is eight. B. L → N → M → K
iv. Q is haploid. C. N → K → L → M
A. i and ii D. N→ M → L → K
B. ii and iii
C. iii and iv
20. What is aerobic respiration?
D. i and iv
A. Breakdown of glucose in the
presence of oxygen to form ethanol,
17. Which of the following differences are carbon dioxide and energy.
true about prophase I and prophase II? B. Breakdown of glucose in the
i. Crossing over occurs. presence of oxygen to form carbon
ii. Chromosomes condense, become dioxide, water and energy.
short and thick. C. Breakdown of glucose in the
iii. Spindle fibres are formed. presence of oxygen to form lactic
iv. Homologous chromosomes pair up acid and energy.
and form a bivalent. D. Breakdown of glucose in the absence
A. i and ii of oxygen to form carbon dioxide,
B. ii and iii water and energy.
C. iii and iv
D. i and iv

4
21. Diagram 9 shows an apparatus set-up in 23. A sniper accidently shot his friend . A
an experiment. bullet penetrates his chest and he died
on the spot. He die because
A. thoracic cavity pressure is higher than
atmospheric pressure.
B. thoracic cavity pressure is lower than
atmospheric pressure.
C. thoracic cavity pressure is not change.
D. thoracic cavity pressure is same as
atmospheric pressure.

24. Diagram 10 shows a living organism.

Diagram 9
What conclusion can be drawn from this
experiment?
i. Yeast carries out aerobic respiration to
produce carbon dioxide.
ii. Yeast carries out alcohol fermentation
to produce carbon dioxide. Diagram 10
iii. Yeast carries out respiration to produce Which of the following is true about the
energy. pathway of carbon dioxide in the
iv. Yeast carries out respiration to produce organism?
lactic acid
A. g
A. i and ii
B. ii and iii B.
C. iii and iv C. S
D. i and iv
D. S
22. Which of the following activities cause
the accumulation of lactic acid in
25. Why is direction of flow of blood in the
muscles?
fish gills of a fish is opposite to that of
the flow of water?
A. To ensure small particles are
removed from the blood
B. To ensure maximum formation of
energy in the form of ATP in the
body cells of the fish.
C. To ensure maximum flow of blood
D. To ensure maximum absorption of
oxygen in the blood

5
26. What causes the gaseous exchange at the 29. Different type of food have different
lungs of a frog to be inefficient? energy values. Calculate the energy
i. Only a few alveoli for gaseous exchange. value of chicken meat based on the
ii. Has a ribcage to expand and contract the information in Table 2 below.
lungs. Mass of meat /g 0.7
iii.Breathing depends on the mouth cavity. Mass of water/g 20.0
iv. No diaphragm to change the volume of o
Initial temperature / C 25.0
the lungs. o
Final temperature / C 88.7
A. i and ii B. ii and iii Table 2
C. iii and iv D. i and iv What is the energy value of the chicken
meat?
27. In an experiment, 5 drops of a 0.1% A. 63.7 kJg-1
solution of vitamin C was needed to B. 7.64 kJg-1
decolourise 2 ml of DCPIP while 10 C. 20.2 kJg-1
drops of fruit juice X was needed to D. 3.39 kJg-1
decolourise the same amount of DCPIP.
What is the percentage of vitamin C in 30. Diagram 12 shows parts of the digestive
juice X? system.
A. 0.05% B. 0.1%
C. 0.2% D. 0.5%

28. Diagram 11 shows the effect of enzyme


X on starch.

Diagram 12
Which of the following would occur
if tube X were blocked.
i. Acid from the stomach would not be
neutralised.
ii. Starch-digesting enzyme would not be
released.
iii. Bile could not reach the small intestine.
Diagram 11
What is enzyme X and product Y? iv. Fat-digesting enzymes could not reach
Enzyme X Product Y the small intestine.
A Maltase Reducing sugar A. i and iii
B Maltase Non-reducing sugar B. i and iv
C Amylase Reducing sugar C. i, ii and iv
D Amylase Non-reducing sugar D. ii, iii and iv

6
31. The information below shows the stages 34. Diagram 14 shows a cross section of an
of the blood clotting mechanism in alveolus and its blood supply in the
humans. human lung.
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 is the correct sequence of the
blood clotting mechanism?
A. S, T, Q, P, R Diagram 14
B. P, Q, R, S, T Which of the following occurs at the
C. Q, P, S, T, R alveolus during inhalation?
D. Q, S, T, P, R i. The concentration of oxygen in
alveolus is higher than the
32. Diagram 13 shows a process of concentration of oxygen in the blood
digestion occurs in duodenum. capillaries.
ii. High rate of gaseous exchange occurs
by simple diffusion.
iii. The concentration of oxygen in
alveolus is lower than the
concentration of oxygen in the blood
capillaries.
iv. A lot of oxyhaemoglobin are formed.
A. i and ii B. ii and iii
C. iii and iv D. i and iv

35. Which of the following is true about the


Diagram 13
formation of lymph?
If the process does not occurs , which
i. Tissue fluid is filtered out from the
food cannot be digested?
blood capillaries and 15% of it is
A. Cheese B. Fish
returned through the lymphatic
C. Bread D. Orange
vessel.
ii. 85% of the tissue fluid is diffuses
33. A man needs a blood transfusion after
back into the blood capillaries
experiencing car accident. He has the
iii. Tissue fluid contain protein.
antibody anti-A in his blood plasma.
iv. Tissue fluid is returned to the heart
Which blood group is compatible to his
through lymphatic vessel.
blood?
A. i and ii
A. Blood group O
B. ii and iii
B. Blood group A
C. iii and iv
C. Blood group O and blood group A
D. i and iv
D. Blood group O and blood group B

7
36. Diagram 15 shows a graph of the level of 38. Diagram 16 shows human endocrine
antibody in blood of two patients, P and system.
Q whom have been given vaccination
twice. P

Diagram 16
Which of the following is the effect if P
failed to secrete its hormone?
A. Blood glucose level increases
B. Formation of sperm decreases
C. Heartbeat rate increases
Diagram 15 D. Metabolic rate decreases
Which of the following will be the type
of immunisation acquired by these two
39. Diagram 17 shows an accident victim
patients?
injured his head and had a difficulty in
P Q
memorizing.
A Artificial active Artificial passive
immunity immunity

B Artificial passive Artificial active


immunity immunity

C Natural passive Natural active


Diagram 17
immunity immunity
Which part of A, B, C or D was injured?
D Natural active Natural passive
immunity immunity 40. Diagram 18 is a structure protected by
the spinal column.
X
37. 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
Diagram 18
B. Typhoid vaccine injection
What is the main component of structure X?
C. Antitetanus serum injection
A. Cerebrospinal fluid
D. Diphtheria serum injection
B. Myelinated nerve fibres
C. Cell bodies and synapses
D. Red blood cells
____________________________________THE END___________________________________
Prepared by: Pn. Pheh Li San
Checked by: En. Faizul Azli B. Husin
Certified by: Cik Koo Phaik Yueh
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