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Pulau Pinang Trial 2025 Science Kertas 1 · Set 2

1
Ahmad has completed an activity on rat carcass specimens. What is the most appropriate method to dispose the specimen?
2
Diagram 1 shows a type of fire extinguisher. What is the type of fire suitable to be extinguished by the fire extinguisher?
3
Diagram 2 shows one of the procedures in CPR. Which of the following is the importance of this procedure?
4
Diagram 3 shows the situation faced by a man when he is alone at home. What should he do to save himself?
5
Diagram 4 shows a type of thermometer. What is the type of thermometer?
6
Which of the following statements is correct about pulse rate?
7
Study the following statement about a sector in Green Technology. > Forests are known as "lungs of the Earth" What is the best reason to support the above statement?
8
What can you do to help reduce greenhouse gases emissions and decrease the carbon footprint?
9
Tissue culture techniques are used in agriculture to improve quality and yield production. Through this technique, clones that are the same as the parent can be produced with many in a short time. Which process is applied in this technique?
10
Maria and Mariana are identical twins. Maria lives with her grandmother in Malaysia while Mariana lives with her mother in England. Which characteristic might be different in the twins?
11
Diagram 5 shows the characteristics of a married couple living in a cold climate country. | Suami/ Husband | Isteri/ Wife | |---|---| | • Rambut kerinting/ Curly hair | • Rambut lurus/ Straight hair | | • Tidak boleh menggulung lidah/ Cannot roll tongue | • Tidak boleh menggulung lidah/ Cannot roll tongue | | • Cuping telinga bebas/ Free earlobes. | • Cuping telinga melekap/ Attached earlobes. | | • Kulit gelap/ Dark skin | • Kulit cerah/ Fair skin | | • Jisim badan yang unggul/ Desirable weight | • Berlebihan jisim badan/ Overweight | Which traits has the highest probability of being present in their children?
12
Diagram 6 show the classification of animal support system. What is represented by Q dan R?
13
An individual often feels tired, gains weight despite eating less, and has a lower body temperature than usual. A doctor's examination shows that the individual's metabolic rate is very low. What endocrine glands might be malfunctioning and causing these symptoms?
14
Which of the following statements describes the main difference between atomic substances and molecular substances?
15
What is the proton number of the element located in Group 1, Period 3 of the Modern Periodic Table of Elements?
16
What is the monomer for starch polymer?
17
Free radicals cause damage to the DNA structure and form the carcinogenic substances. What disease is causes by these carcinogenic substances?
18
Study the following statement. > Lutein is an antioxidant that slows down the oxidation process. Which of the following food sources contains high lutein?
19
Diagram 7 shows the velocity-time graph of the movement of Ali's motorcycle as he travels from home to school. Find the displacement in the time interval between 0 and 10 seconds.
20
Diagram 8 shows an orange tree. What happens to the orange?
21
Which of the following are the somatic effects of radiation scattering from nuclear energy?
22
What is the benefit of building nuclear power stations in Malaysia?
23
A student wants to produce fertilizer using organic waste from his kitchen. What is the appropriate step to ensure that the decomposition process of organic matter occurs optimally?
24
A school is experiencing of influenza outbreak. The principal wants to ensure that this disease does not continue to spread. What is the most appropriate preventive measure that can recommend to the school's pupils?
25
The Table 1 below shows the daily food intake by four students. | Pelajar Student | Karbohidrat (g) Carbohydrates (g) | Protein (g) Protein (g) | Lemak (g) Fat (g) | Pelawas (g) Fibre (g) | Air (cawan) Water (cups) | |---|---|---|---|---|---| | A | 320 | 55 | 80 | 10 | 4 | | B | 250 | 60 | 50 | 25 | 8 | | C | 380 | 40 | 90 | 5 | 3 | | D | 280 | 30 | 45 | 10 | 5 | Based on the Table 1, which students has a highest risk of health problems such as obesity and constipation?
26
The following information explains the function of an element X that is needed by plants. - Synthesises proteins, chlorophyll, enzymes and nucleic acids. - Helps the growth of branches and leaves - Increase the production of fruits and seeds. Which of the following is element X?
27
A farmer uses synthetic nitrogen fertilisers excessively to increase crop yield. After a few weeks, the plants appear wilted despite frequent watering. What is the best action the farmer should take to improve the condition?
28
Madam Nur wants to prepare dried sambal as a product for sale. She wants her sambal to last longer and be easily packaged. Which food processing technology is most suitable to be used?
29
Diagram 9 shows a symbol that was displayed on a poster. Which of the following activities support the above symbol?
30
Diagram 10 shows an activity that happened at Village A. Which of the following is true about the activity?
31
Which of the following is a fast reaction?
32
20g of zinc takes 40 seconds to dissolve in hydrochloric acid. Calculate the average rate of reaction for this reaction. Rate of Reaction = \frac{Change in quantity of reactant or product}{Time taken}
33
Which of the following is organic carbon compound?
34
Diagram 11 show hydrocarbon compound W. What is W?
35
A student uses a convex lens to examine the inside of his broken watch. What is the distance between the lens and the watch to get a larger and clearer image?
36
Table 2 shows information related to three optical instruments, P, Q, and R | Peralatan Optik Optical instruments | P | Q | R | |---|---|---|---| | Jenis kanta Type of lens | Cembung Convex | Cembung Convex | Cekung Concave | | Ciri imej Image characteristics | Dibesarkan Magnified Maya Virtual Tegak Upright | Dikecilkan Diminished Nyata Real Songsang Inverted | Dikecilkan Diminished Maya Virtual Tegak Upright | What do P, Q, and R represent?
37
Diagram 12 shows a dentist treating his patient. He pressed on the piston to raise the patient Which of the following statement is correct about piston?
38
Diagram 13 shows the air flow on the wing of an airplane. Which of the following positions A, B, C and D above, experiences the highest pressure?
39
Which of the satellite orbits A, B, C, or D is Geostationary Orbit (GEO)?
40
Diagram 14 shows the Global Positioning System (GPS) which consists of three segments, X, Y and Z. From the following, which is X, Y and Z?
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