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Kuala Lumpur Trial 2025 Science Kertas 1

1
A student wants to conduct an experiment involving volatile chemicals. What is the most appropriate personal protective equipment to be used in the laboratory?
2
What is an example of waste material that can be thrown down the sink?
3
Which of the following is the situation that causes someone to need to be given the emergency Heimlich Maneuver aid?
4
Diagram 1 shows the blood pressure reading of an adult male while at rest. What is the man's blood pressure category?
5
A man has a body mass of 72 kg and a height of 1.65 m. What is his Body Mass Index (BMI)?
6
Which of the following is one of the 5R Concepts?
7
The increase in the number of vehicles in country M has resulted in a sudden increase environmental temperature. Among the following, what action should be taken to overcome the problem?
8
Diagram 2 shows a green transport mode to address socioscientific issues in the transport sector. Based on Diagram 2, what is the impact of the green transport mode on the environment?
9
Which of the following is an example of a recessive trait in humans?
10
Diagram 3 shows the karyotype of a genetic disease. What is the name of the genetic disease??
11
Which of the following is true about genetically modified organisms or GMOs?
12
Diagram 4 shows an animal in motion. How can the animal ensure that its body does not fall while standing?
13
Which of the following provides support to non-woody plants on the ground?
14
What type of drug makes someone sleepy and less anxious?
15
Diagram 5 shows the position of P in the incomplete Modern Periodic Table of Elements. What is the proton number of element P?
16
Which of the following metals is used to produce bronze?
17
Diagram 6 shows the type of treatment practiced by residents in a housing area. Based on Diagram 6, what conclusions can be drawn from the graph?
18
Diagram 7 shows some examples of healthy foods. What is the effect of consuming these foods on the health of the body?
19
What is the value of gravitational acceleration on the surface of the earth?
20
The information below shows a statement about a nuclear plant accident. > Accidents that occurred at nuclear power plants such as Chernobyl (1986) and > Fukushima (2011) have resulted in severe radiation contamination. Based on the information above, what is the main risk of a nuclear power plant accident to human genetics?
21
What group of microorganisms is involved in the digestive system of animals?
22
Among the following, what is the treatment for pneumonia?
23
Diagram 8 shows a woman's breakfast menu. Based on diagram 8, what is the function of the part labeled X?
24
Among the following, what is the process that converts nitrate ions in the soil into nitrogen gas in the air?
25
Diagram 9 shows some of the efforts carried out in the agricultural sector in Malaysia. Based on Diagram 9, what is the purpose of the effort?
26
Rahim experienced diarrhea and vomiting after eating canned food purchased from a grocery store. Among the following, what information needs to be paid attention to avoid experiencing the above situation?
27
Among the following, what are the carbon handprint measures for efficient waste management?
28
What are the example of human activities that contribute to the increase in carbon dioxide gas content in the air?
29
Diagram 10 shows an example of a reaction that occurs during the festive season. Based on Diagram 10, what is the reaction involved?
30
A group of pupils conducted an experiment studying the reaction between magnesium metal and hydrochloric acid. Which of the following graphs represents the results of the experiment?
31
Which of the following is a renewable energy source?
32
Which of the following ingredients an example of fat?
33
Diagram 11 shows a step in the action of soap molecules on greasy dirt on fabric surface. Based on Diagram 11, what is the role of the parts labelled X and Y?
34
Diagrams 12.1 and 12.2 show an electrolysis experiment of a type of ionic compound. Table 1 shows the results of the experiment. Which of the following statements is correct?
35
Which of the following is a component of simple chemical cell?
36
Diagram 13 shows a type of lens. Based on Diagram 13, what is the image characteristic of the ray diagram above?
37
A student uses a DSLR camera to capture the beautiful scenery on an island. He finds that the resulting image only shows part of the desired scenery. What step should be taken to overcome this problem?
38
Diagram 14 shows a hydraulic jack system. What is the force exerted by piston P?
39
What type of orbit for satellite that moves around the earth in the equatorial plane?
40
What information can be obtained from the Global Positioning System (GPS)?
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