Selangor Trial 2024 Science Kertas 1 · Modul Pintas

Science

Selangor Trial 2024 Science Kertas 1 · Modul Pintas

• Selangor Trial Modul Pintas
• 40 questions
• With explanations

1

A student wants to conduct an experiment to study the reaction of reactive metals in water. What is the most suitable personal protective equipment that should be used?

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A Goggles B Face mask C Gloves D Safety shoes

T4 Chapter 1.1 Personal Protective Equipment

2

What is an example of material that should be packed and put in a biohazard plastic bag before disposal?

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A Blood B Needle C Scalpel blade D Gloves

T4 Chapter 1.2 Disposal of Waste

3

Which of the following victims should be given emergency aid using the Heimlich Manoeuvre method?

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A Blackout victim B Fainted victim C Choked victim D Spluttering victim

T4 Chapter 2.2 Heimlich Manoeuvre

4

Diagram 1 shows the blood pressure reading of an adult male while at rest. What is the man's blood pressure category?

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A Normal B Optimal C High blood pressure stage 1 D High blood pressure stage 3

T4 Chapter 3.3 Blood Pressure

5

A woman has a body mass of 57 kg and a height of 1.52 m. What is her Body Mass Index (BMI)? $$\text{BMI}=\frac{\text{Body mass (kg)}}{(\text{Height})^2\ (\text{m}^2)}$$

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A 0.03 kg/m^2^ B 0.38 kg/m^2^ C 24.70 kg/m^2^ D 37.50 kg/m^2^

T4 Chapter 3.4 Body Mass Index (BMI)

6

What material is the main contributor to solid waste in the waste and wastewater management sector?

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A Paper B Plastic C Sewage D Food waste

T4 Chapter 4.3 Waste and Wastewater Management Sector

7

The transportation sector is a major contributor to the phenomenon of the Earth's temperature rising drastically. Diagram 2 shows an application of Green Technology used to overcome the problem. Based on Diagram 2, what is an advantage of the Green Technology application?

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A Increases the release of oxygen gas B Reduces the release of sulphur dioxide gas C Increases the release of carbon dioxide gas D Reduces the release of carbon dioxide gas

T4 Chapter 4.5 Transportation Sector

8

Diagram 3 shows an activity carried out to address socio-scientific issues in the transportation sector. Based on Diagram 3, what is the effect of the activity on the environment?

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A Reduce carbon handprint B Maximise carbon footprint C Increase the burning of fossil fuels D Reduce greenhouse gas emissions

T4 Chapter 4.5 Transportation Sector

9

What type of sperm fertilises the ovum if the child born is a girl?

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A 22 + X B 22 + Y C 44 + XY D 44 + XX

T4 Chapter 5.2 Inheritance

10

The information below shows a type of genetic disease. - There is a mutation in the gene that produces the blood clotting factor. - The individual will lose blood continuously if wounded or injured. What is the name of the mutation disease?

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A Thalassemia B Albinism C Haemophilia D Sickle cell anaemia

T4 Chapter 5.3 Mutation

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