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Others Trial 2025 Science Kertas 1 · N9

1
Which of the following personal protective equipment functions to protect the eyes from exposure to chemicals?
2
Diagram 1 shows one situation happen in a restaurant. What emergency help can be given to this man?
3
The following information explains some of cardiopulmonary resuscitation (CPR) steps. - P | Blow air into the victim's mouth for 1 second with each breath. - Q | Check the victim's responses. - R | If there is no breathing, perform chest compression technique. - S | Repeat the chest compressions and mouth-to-mouth resuscitation until help arrives or the victim regains consciousness. Arrange the CPR steps in the correct order.
4
Diagram 2 shows the body temperature reading of a female student. Which of the following factor that causes the temperature reading?
5
Diagram 3 shows a form 5 Jati student. What is the BMI of the student?
6
Diagram 4 shows a pile of used tires. What is the best way to solve that problem?
7
Diagram 5 shows an invention that meets the characteristics of green technology. Which of the following is the importance of green technology?
8
Diagram 6 shows a family with three boys. What is the probability of them having a girl in their next birth?
9
Diagram 7 shows a bar chart which represent a type of variation. Which trait is represented by the bar chart?
10
Diagram 8 shows the human skeletal system. Which of the parts labelled A, B, C and D the femur?
11
Diagram 9 shows the endocrine gland in the human body. What will happen if this gland secretes less hormone?
12
Diagram 10 shows a boy running away when being chased by a dog. Which of the following endocrine gland is related to his action?
13
Diagram 11 shows an element in Periodic Table. Which of the following is correct regarding the element? | | Bilangan proton Number of proton | Bilangan neutron Number of neutron | Nombor nukleon Nucleon number | |:--|:---------------------------------|:---------------------------------|:-------------------------------| | A | 17 | 18 | 35 | | B | 18 | 17 | 35 | | C | 35 | 17 | 18 | | D | 35 | 18 | 17 |
14
How can gamma radiation be used to preserve food?
15
Which of the following process can change the natural rubber become harder and more resistant to heat?
16
Which of the following is the correct arrangement of bronze atoms?
17
Diagram 12 shows a man-made medicine. Which of the following characteristic is true?
18
Diagram 13 shows an apple that has been cut into two equal parts. After a few hours, the conditions of the apples are observed. What is the function of lime juice in the diagram above?
19
A girl takes 20 seconds to run a distance of 100 metres. What is her speed?
20
Diagram 14 shows two cans with the same size oscillating after they are released from the same height. After a while the can filled with sand is still oscillating while the empty can has stopped. What is the conclusion of the experiment?
21
What is meant by nuclear energy?
22
The statement shows two situations related to energy use. | W | - Menghasilkan tenaga menggunakan Uranium-235 Produces energy using Uranium-235 | |---|---------------------------------------------------------------------------------| | Z | - Menghasilkan tenaga melalui pembakaran arang batu Produces energy through coal combustion | Based on the above situation, what is the main different between the two situations in terms of environmental impact?
23
Which normal flora is found in the small intestine?
24
Which factor causes microorganisms to reproduce rapidly in the human body?
25
Diagram 15 shows one characteristic of nutrient deficiency in a leaf. Which of the following nutrient is deficient in the leaf?
26
Diagram 16 shows carbon footprint. Among A, B, C and D which can reduce the release of greenhouse gases?
27
Diagram 17 shows a situation at river M. After a few months, aquatic life was found to have decreased. Which of the following is the cause of this situation?
28
Marine microalgae are used in Negative Emissions Technology. How does this technology help in the conservation and preservation of the environment?
29
Which of the following is a fast reaction?
30
Magnesium powder reacts faster with hydrochloric acid compared to a magnesium ribbon Which the following factors supports the above statement?
31
What chemical reaction needs to be carried out on palm oil to produce palm oil biodiesel?
32
Diagram 18 shows a laboratory experiment carried out by a student to produce substance Z. Substance Z is produced from the distillation process using the action of yeast on foods containing glucose. Substance Z is used to produce a type of beverage. What is the effect if a beverage containing substance Z is taken excessively?
33
Diagram 19 shows two students conducting a STEM Club activity. The bulbs they install do not light up. What should be done by the students to solve the problem?
34
Table 1 shows the result of an experiment to study the production of electrical energy by a simple chemical cell. | Pasangan elektrod Pair of electrodes | Keadaan mentol Condition of bulb | |---|---| | Magnesium dan kuprum Magnesium and copper | Sangat terang Very bright | | Argentum dan kuprum Argentum and copper | Malap Dim | Jadual 1 Table 1 State the condition of the bulb if a pair of copper and copper electrodes are used?
35
Diagram 20 shows an object in front of a concave lens. What are the characteristics of the image formed?
36
Which of the following is the correct use of optical instruments? | | Alatan optik Optical instruments | Kegunaan Uses | |---|---|---| | A | | Memerhati objek yang jauh To observe distant objects | | B | | Memerhati objek yang kecil To observe small objects | | C | | Memerhati objek yang seni To observe tiny objects | | D | | Memerhati objek yang bergerak To observe moving objects |
37
Diagram 21 shows an experiment to study the relationship between velocity and pressure in a fluid. What is the conclusion of the experiment?
38
Diagram 22 shows the operation of a hydraulic system. If the area of piston P is 0.01 m^2 and the area of piston Q is 2 m^2, what is the force exerted by piston P? ( Daya, F_1 = Daya, F_2 Luas, A_1 Luas, A_2 ) ( Force, F_1 = Force, F_2 Area, A_1 Area, A_2 )
39
Which of the following are the applications of GPS?
40
Table 2 shows three types of satellite orbits at different altitudes. | Orbit | Altitud (km) | | Orbit | Altitude (km) | | MEO | 2000 – 35780 | | LEO | 180 – 2000 | | HEO | ≥ 35780 | Jadual 2 Table 2 Based on Table 2, arrange the satellite orbits according to the satellite's velocity in ascending order.
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