Road to ASMOPSS 2018 – Science Secondary
PART 1 : Question number 1 to 20.
For each correct answer is worth 3 points.
1. Which is the characteristic of both annelids and arthropods?
A. compound eyes
B. jointed limbs
C. segmented bodies
D. wings
E. exoskeleton
2. What is the correct order of organelles when a protein is synthesized and secreted?
A. Golgi body → lysosome → ribosome → nucleus
B. nucleus → ribosome → Golgi body → vesicle
C. ribosome → nucleus → lysosome → Golgi body
D. vesicle → Golgi body → nucleus → ribosome
E. ribosome golgi body  nucleus  vesicle
3. Which statements about enzyme inhibitors are correct?
1. Competitive inhibitors may be similar shapes to the substrate.
2. Competitive inhibitors bind to the active site.
3. Non-competitive inhibitors alter the shape of the enzyme.
4. Non-competitive inhibitors bind to the substrate.
A. 1, 2 and 3
B. 2, 3 and 4
C. 1 and 2 only
D. 3 and 4 only
E. 2 only
4. The following diagram shows some cells.
Where are these cells found?
A. alimentary canal
B. blood
C. bronchus
D. plant roots
E. esophagus
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 1 of 8
Road to ASMOPSS 2018 – Science Secondary
5. Plants have some movements. The following diagram shows seeds of violet ready to disperse.
What kind of movement which causes the violet seed pods to open?
A. nyctinastic movement
B. hygroscopic movement
C. hydrotropism
D. complex nastic movement
E. tactic movement
6. The kangaroo rats have very long loops of Henle in their kidney. What is the advantage of having
this organ?
A. more water will be reabsorbed
B. more urea will be reabsorbed
C. more glucose will be reabsorbed
D. more toxins will be secreted
E. more K+ will be secreted
7. A fixed volume of the enzyme catalase was added to a fixed volume of hydrogen peroxide solution.
The diagram shows how the amount of product changed over a certain period of time.
What does the graph indicate?
A. The active sites become saturated.
B. The enzyme was denatured.
C. The hydrogen peroxide inhibited the reaction.
D. The substrate molecules were used up.
E. There is more substrate than the enzyme.
8. Which process is occurred in a mature red blood cell?
A. active transport
B. cell division
C. transcription
D. translation
E. osmosis
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 2 of 8
Road to ASMOPSS 2018 – Science Secondary
9. One of the following diseases is caused by pathogen, but it is not transferred from person to person.
What is the disease?
A. pertussis
B. tetanus
C. rubella
D. measles
E. tuberculosis
10. What is the woman body be triggered to from when the level of progesterone is low
A. LH
B. FSH
C. oestrogen
D. ADH
E. adrenaline
11. The diagram shows apparatus set up to investigate the effect of putting a 10 % glucose solution in a
selectively permeable bag (Visking tubing) and surrounding it with water.
Samples from the surrounding water were tested with Benedict’s solution after 10 minutes and
after 20 minutes. The change in volume of glucose solution was observed after 20 minutes.
Which row is correct?
A
B
C
D
E
Result of Benedict’s test
After 10 minutes
After 20 minutes
green
blue
green
orange
red
orange
yellow
green
red
blue
Volume of glucose solution in
visking tubing/cm3
Increased
Increased
Decreased
Decreased
Increased
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 3 of 8
Road to ASMOPSS 2018 – Science Secondary
12. The following diagram shows spermatogenesis.
Spermatogenesis is a meiotic cell division happens in male species. Which stage/s that has/ve 2 sets
of chromosomes?
A. spermatogonia only
B. primary spermatocyte only
C. spermatogonia and primary spermatocyte
D. primary and secondary spermatocyte
E. spermatids
13. The following photomicrograph shows a cell during mitosis.
What is happening in this cell?
1. Centrioles are replicating.
2. Spindle microtubules are shortening.
3. Chromatin is condensing.
A. 1, 2 and 3
B. 1 and 2 only
C. 2 only
D. 3 only
E. 1 only
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 4 of 8
Road to ASMOPSS 2018 – Science Secondary
14. An animal has the following characteristics:
1) has collar cells to help them getting food from water
2) has amoebocytes to digest and transfer the food
Based on the characteristics, this animal belongs to phylum ….
A. Plathyhelminthes
B. Nemathelminthes
C. Echinodermata
D. Porifera
E. Cnidaria
15. Tay-Sachs disease occurs when cells are unable to produce an enzyme, leading to a buildup of
certain lipids in cells. Which cell organelle does not work properly, causing this disease?
A. Golgi apparatus
B. lysosome
C. mitochondrion
D. smooth endoplasmic reticulum
E. cell membrane
16. Which of the statement below that has a correct unit?
A. Human blood pressure is about 80 cmHg.
B. Battery has voltage 12 watt.
C. Gravitational acceleration in Moon surface is 1.6 m/s.
D. Speed of sound in air is 80 dB.
E. Heat energy that is produced by Light bulb is 50°C.
17. Which one is the difference between Ultrasound and Infrasound?
A. Infrasound is mechanic wave, ultrasound is electromagnetic wave.
B. Infrasound is longitude wave, ultrasound is transverse wave.
C. Ultrasound has shorter wavelength than infrasound.
D. Ultrasound travel faster in air than infrasound.
E. Ultrasound can be reflected, infrasound cannot.
18. Why Tungsten light bulb is not as bright as the LED lamp when they have same power of 20 Watt?
A. Because a lot of energy emitted by tungsten light bulb transform to heat energy.
B. Because tungsten light bulb has yellowish color not white.
C. Because LED lamp has no electric resistance.
D. Because the current that flow in LED lamp is greater than tungsten light bulb.
E. Because tungsten light bulb’s light more differs.
19. What is the difference between comet and planet?
A. Planet’s orbit is an elliptic but comet is not.
B. Comet can produce light itself, but planet cannot.
C. Planet has round shape but comet has irregular shape like asteroid,
D. Planet is orbiting the Sun, but comet is orbiting the planet.
E. Planet is included to the Solar System, but comet is not.
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 5 of 8
Road to ASMOPSS 2018 – Science Secondary
20. In January and March 2018, the blue moon phenomena happened. What is a blue moon?
A. Moon is seen blue at the closest to the Earth.
B. Moon is seen blue because has a lot of blue light from earth.
C. Full moon that happened twice in one calendar month.
D. Lunar eclipse that happened when moon at the farthest from Earth.
E. Full moon when moon seen larger than usual.
PART 2 : Question number 21 to 30.
For each correct answer is worth 4 points.
21. What is the maximal number of molecules of oxygen that can be bounded to one molecule of
haemoglobin?
A. 1
B. 2
C. 4
D. 8
E. 16
22. Which animal cells that have the most extensive Golgi bodies?
A. ciliated epithelial cells
B. goblet cells
C. red blood cells
D. smooth muscle cells
E. osteocyte
23. Haversian system is a circular structural unit of bone tissue (osteon). In a haversian system, the
osteocyte is founded in the ….
A. Haversian canal
B. Lamellae
C. Canaliculi
D. Lacunae
E. Osteoblast
24. Andy checked a patient’s urine. He added Biuret solution to the urine and the urine changed into
purple. What disease is to be likely experienced by a patient?
A. diabetes insipidus
B. horseshoe kidney
C. albuminuria
D. anuria
E. cystitis
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 6 of 8
Road to ASMOPSS 2018 – Science Secondary
25. The hybridoma method is used for the production of monoclonal antibodies. Which two types of cell
are used in this method?
A. stem cell and B-lymphocyte
B. stem cell and T-lymphocyte
C. tumour cell and B-lymphocyte
D. tumour cell and T-lymphocyte
E. T-limphocytes and B-lymphocyte
26. If hydrostatic pressure at 10 meters below the surface of the sea is Y Pascal. What is the pressure at
20 meters below the surface in fresh water? (Density of sea water = 1,2 kg/liter, density of fresh
water = 1,0 kg/liter)
A. 20 Y
B. 12 Y
C. 2 Y
D.
Y
E.
Y
27. Which one will have the biggest image if we use the same object?
A. Object put 16 cm in front of convex lens with focal length = 8 cm.
B. Object put 16 cm in front of convex mirror with focal length = 8 cm.
C. Object put 8 cm in front of concave mirror with focal length = 16 cm.
D. Object put 8 cm in front of concave lens with focal length = 16 cm.
E. Object put 16 cm in front of convex mirror with focal length = 16 cm.
28. An object is thrown vertically upright. After a few second the object will come back to initial
position. Assumed there is no air resistance.
(1) At the highest point, an object velocity is 0.
(2) Object’s speed is half from initial speed when the object is half from the highest point.
(3) Gravitational acceleration at every point on path is the same.
(4) Time that the object when goes upright is longer than when object goes downward.
Which statement is correct according to the object movement?
A. (1) and (2)
B. (1), (2), and (3)
C. (1), (2), (3) and (4)
D. (1) and (3)
E. (2), (3) and (4)
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 7 of 8
Road to ASMOPSS 2018 – Science Secondary
29. Roni need 1 hour when he goes from city A to city B. After having a break for one hour at the city B ,
Roni move to city C which take him for 2 hours. If distance between city A and B is 40 km, and city B
to city C is 60. Which statement is correct?
City A
City C
City B
A.
B.
C.
D.
E.
Average velocity from city A to C is 35 km/hour.
Average speed from city A to C is 35 km/hour.
Average velocity from city A to C is 25 km/hour.
Average speed from city A to C is 25 km/hour.
Roni’s speed from city A to B is smaller than from city B to city C.
30. There are 2 ball identic in size, same density but have different thermal expansion coefficient. Ball A
have more thermal expansion coefficient than ball B. Both ball heated from 25°C to 75°C.
Which statement is correct after both ball is heated?
A. Ball A has more mass than ball B.
B. Ball A has more density than ball B.
C. Ball A has more volume than ball B.
D. Ball A absorb more heat than ball B.
E. Ball A’s temperature is higher than ball B’s temperature.
No part of this question booklet may be uploaded or published without permission
from ASMOPSS Secretariat
Page 8 of 8