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Selangor Trial 2022 Sains Kertas 1 · Set 1

1
Diagram 1 shows an example of personal protective equipment in the laboratory. What is the name of this equipment?
2
Why fires involving cooking oil is not suitable to be extinguished with water?
3
Azizul wants to save a drowning victim. He was unable to detect the pulse and used CPR to help the victim. What is the technique that needs to be done to help blood circulation in the victim's body?
4
Diagram 2 shows a type of thermometer. What is the type of this thermometer?
5
What is the normal systolic pressure?
6
The information below shows the situation in the Klang Valley. > In December 2021, Klang Valley experienced its worst flood disaster in 33 years. There were victims who suffered the destruction of all property. This is due to the sudden change in the Earth's climate. Among the causes that contribute to this phenomenon is the increase in greenhouse gas emissions. How can Green Technology be applied to overcome this issue?
7
Diagram 3 shows the daily activities in life. What is the effect of the activities on the Earth?
8
A boy was involved in a road accident that resulted in severe injuries to his skin. What is the process that can heal his wounds?
9
Diagram 4 shows an example of trait abnormalities found in society. What is the factor that contributes to such trait abnormalities?
10
Which of the following is an example of continuous variation?
11
Diagram 5 shows an elderly man. The man had a problem on part X. What is the cause?
12
The following information shows a man's health condition. > He suffers from diabetes insipidus. His sleep is always interrupted due to frequent urination. What hormone treatment can be recommended for him?
13
Diagram 6 shows the arrangement of atoms in matter X. What is an example of a substance for matter X?
14
Diagram 7 shows an incomplete Modern Periodic Table of Elements. What is the group of element Ne?
15
Diagram 8 shows an activity in a science laboratory. Why is glass S suitable to be used?
16
In modern medicine, what is the medicine that can relieve pain?
17
Diagram 9 shows a health product available in the market. Brand P Dosage for 1 tablet | Active ingredient | % Daily value adult and children 4 years or more | | Vitamin C | 100% | | Niacin | 68% | A woman experienced pain in the waist after taking two doses of tablets over a long period of time to obtain beautiful skin. What is the cause of the pain?
18
Diagram 10 shows a sketch map of an area. David underwent cycling training from Kg. Nerek to Kg. Jengka. Velocity and time taken for the entire route is recorded as in Table 1. | Route | Velocity (km h^-1) | Time (min) | |---|---|---| | Kg. Nerek | Kg. Chenor | Increase | 20 | | Kg. Chenor | Kg. Awah | Uniform | 20 | | Kg. Awah | Pekan Juaseh | Increase | 10 | | Pekan Juaseh | Kg. Jengka | Decrease | 5 | Table 1 Which graph shows the acceleration of David's entire movement?
19
What is the factor that affect inertia?
20
Diagram 11 shows a map of several countries. > "The population of our country is increasing. Our country lacks electricity resources." How can Country P meet its energy needs immediately?
21
Which of the following microorganisms reproduces by binary fission?
22
Diagram 12 shows a type of food. Which of the following microorganisms is used to produce the food?
23
Diagram 13 shows a situation in a room at the hospital. A week after the surgery, it was found that the wound on the patient's surgical part was purulent. How can this problem be overcome?
24
Table 2 shows the calorific values of two different types of food. | Type of food | Calorific value (kJ g^-1) | |---|---| | Rice | 15.62 | | Chicken | 5.9 | Table 2 Amin eats 300 g of rice and 150 g of chicken. What is the total calories taken by him?
25
Diagram 14 shows the the elements of macronutrient. What is X?
26
Diagram 15 shows an efficient land management method. What is the method?
27
The following word equation shows a process for producing yoghurt. > Yeast > Glucose > -> > Ethanol > + > Carbon dioxide What is another example of food product produced using the same process?
28
Diagram 16 shows a few types of health food. Which of the following is a true statement about the food?
29
Which of the following refers to the amount of carbon dioxide released into the atmosphere as a result of daily human activities?
30
Table 3 shows the Air Pollution Index (API) for two states in Malaysia. | State | API reading | |---|---| | Perlis | 20 | | Selangor | 48 | Table 3 Based on Table 3, how can the community help lower the API reading in Selangor?
31
Which of the following process is a fast reaction?
32
Diagram 17 shows an experiment to study a factor that effects the rate of reaction. The results of the experiment are recorded in Table 4. | Zinc size | Time taken to collect hydrogen gas (s) | |:--------------------|:----------------------------------------------------------------------------------| | Large pieces | 140 | | Small pieces | 14 | Table 4 Which of the following causes the difference in reaction time?
33
The equation below shows reaction of a process. What is X?
34
Which of the following is an organic compound?
35
The statement below is about gas X. > Landfills release gas X as a product of the decomposition of organic waste. > Gas X able to generate electrical energy. Based on the above statement, what is gas X?
36
Which of the following is an example of unsaturated fat?
37
Diagram 18 shows a bicycle with component labeled M. What is the process used to prevent the M part from rusting?
38
Diagram 19 shows the formation of an image by a convex lens. Where is the position of the object that can produce the image as shown?
39
Diagram 20 shows a hydraulic jack in a car workshop. What is the principle in the above situation?
40
Which of the following uses Global Positioning System (GPS) coordinates?
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