Perak Trial 2024 Sains Kertas 1 · Modul Cemerlang Set 1

Sains

Perak Trial 2024 Sains Kertas 1 · Modul Cemerlang Set 1

• Percubaan Perak Modul Cemerlang Set 1
• 40 soalan
• Ada penerangan

1

Which of the following personal protective equipment in the laboratory is suitable to carry out experiments that use substances which are volatile and poisonous?

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A Fume chamber B Eyewash station C Laminar flow cabinet D Safety shower

T4 Chapter 1.1 Personal Protective Equipment

2

Diagram 1 shows a type of fire extinguisher. What type of fire is suitable to be extinguished by the fire extinguisher?

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A Wood and paint B Paper and diesel C Kerosene and sodium D Electrical appliances and cooking oil

T4 Chapter 1.3 Fire Extinguishers

3

Diagram 2 shows a lady performing technique K for an emergency aid. What is the importance of doing technique K to the victim?

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A Stabilise the breathing B Increase pressure in the lungs C Recover the blood pressure of the victim D Produce artificial blood circulation

T4 Chapter 2.1 Cardiopulmonary Resuscitation (CPR)

4

Which of the following statements is true about pulse rate?

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A Males have a higher pulse rate compared to females B The older the person, the higher the pulse rate C The more vigorous the physical activity, the higher the pulse rate D At rest, the pulse rate of an athlete is higher than non-athletes

T4 Chapter 3.2 Pulse Rate

5

Diagram 3 shows a device to measure a parameter of body health. What is the standard unit to measure the parameter?

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A Degree Celsius (°C) B Beat per minute (bpm) C Millimetres of mercury (mmHg) D Kilogram per meter square (kg m^-2^)

T4 Chapter 3.3 Blood Pressure

6

Diagram 4 shows a vehicle that applied Green Technology. What is the advantage of using this vehicle to solve socio-scientific issues in the energy sector?

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A Does not produce greenhouse gases B Using full electricity C Using clean energy sources such as solar D Can replace the use of biomass fuel

T4 Chapter 4.2 Energy Sector

7

Diagram 5 shows a socio-scientific issue of a sector. Which of the following ways can reduce this issue?

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A Use energy efficiency tools B Use green transportation mode C Replanting trees D Green Building construction

T4 Chapter 4.5 Transportation Sector

8

Diagram 6 shows one of the phases in cell division. Which of the following statements is correct about the phase?

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A Chromosomes arranged in an equatorial plane B Cytoplasm divides and spindle fibres formed C Sister chromatids separate and move towards the opposite poles D Exchange of genetic information between the homologous chromosomes

T4 Chapter 5.1 Cell Division

9

Diagram 7 shows a schematic diagram for inheritance of colour blindness in humans. Which of the following offspring have colour blindness?

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A Q and R B P and S C Q and S D P and Q

T4 Chapter 5.2 Inheritance

10

Diagram 8 shows a bar chart representing a type of variation. What is the trait represented by the bar chart?

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A Height B Type of fingerprint C Blood group D Type of ear lobe

T4 Chapter 5.5 Variation

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