2023
Upper Secondary
Semestral Assessment 2
Year 8
40
Student name : …………………………………………………………………
Date
: …………………………………………………………………
COMBINED SCIENCE
Paper 1 Multiple Choice
45 minutes
Candidates answer on the Question Paper.
Additional Materials:
Calculator
Pen
Pencil
Ruler
READ THESE INSTRUCTIONS FIRST
Write in dark blue or black pen.
You may use a soft pencil for any diagrams, graphs or rough working.
Do not use staples, paper clips, highlighters, glue or correction fluid.
Answer all questions.
Transfer all your answers to the separate OMR sheet.
At the end of the examination, fasten all your work securely together.
Each correct answer will score one mark.
The total number of marks for this paper is 40.
1
1.
What is the name of this human body system?
A. Digestive system
B. Skeletal system
C. Respiratory system
D. Blood circulatory system
2.
The air moves from outside the body into the place where gas exchange happens.
Which of the following is the correct order when the air passes the structures for the gas
exchange to happen?
A. bronchiole → bronchus → trachea → alveolus
B. trachea → bronchiole → bronchus → alveolus
C. alveolus → bronchiole → bronchus → trachea
D. trachea → bronchus → bronchiole → alveolus
3.
What is the name of a red pigment contained inside the red blood cell?
A. Haemoglobin
4.
B. Blood plasma
C. Mitochondria
D. Cytoplasm
What is a primary function of white blood cells in the immune system?
A. Carrying oxygen to body tissues
B. Producing insulin for blood sugar regulation
C. Destroying invading pathogens and foreign substances
D. Regulating body temperature by releasing heat
2
5.
Which of the following statements correctly highlights a key difference between breathing
and respiration?
A. Breathing refers to the exchange of gases between the body and the environment,
while respiration is the process of generating energy within cells.
B. Breathing and respiration are interchangeable terms that mean the same thing.
C. Breathing involves the transport of nutrients in the bloodstream, while respiration
involves the mechanical action of inhaling and exhaling.
D. Respiration refers to the intake of oxygen, while breathing is the elimination of
carbon dioxide from the body.
6.
What is the substance that gets dissolved in a solution?
A. Solute
B. Solvent
C. Temperature
D. mass
7.
What is the term that is used to describe the solution A above?
A. Dilute
B. Solvent
C. Concentrated
3
D. Volume
8.
What is the term that is used to describe the solution B above?
A. Dilute
9.
B. Solvent
C. Concentrated
D. Volume
What happen to the solubility of most solid solutes as temperature increases?
A. Increases
B. Decreases
C. Remains the
D. Same as the
same
solute
10.
The above chromatogram showing the pattern produced by dye A, B, C, D and E.
Dye C is made from a mixture of two dyes. Identify the two dyes.
A. A and B
B. A and E
C. D and E
4
D. A and D
11.
The three primary colours of light are
A. Red, Blue,
B. Cyan, Magenta,
C. Cyan, Green,
D. Blue, Green,
Yellow
Yellow
Red
Red
C. Blue
D. Red
C. C
D. D
C. Dispersion
D. Colouring
12. Which colour absorbs the most light?
A. Black
B. White
13. Which of the following refraction is correct?
A. A
B. B
14. What is happening in this picture?
A. Refraction
B. Reflection
5
15. What is happening in this picture?
A. Refraction
B. Reflection
C. Dispersion
D. Colouring
C. Irregular
D. Irrational
C. Irregular
D. Irrational
16. What type of galaxy is this?
A. Spiral
B. Elliptical
17. What type of galaxy is this?
A. Spiral
B. Elliptical
18. Which of the following is not the object present in all galaxies?
A. Stars
B. Planets
C. Stellar dust
6
D. Light matter
19.
Which statement describes the differences between asteroid and planets
A. Stars
B. Planets
C. Stellar dust
7
D. Light matter