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Others Trial 2025 Science Kertas 1 · Set 2

1
Rahman want to carry out an experiment to study the electrical conductivity of lead (II) bromide. Which of the laboratory protective equipment below should be used by Rahman?
2
Diagram 1 shows blood sample from a clinical laboratory. What is the best method to manage this biological waste?
3
Diagram 2 shows the resuscitation cardiopulmonary procedures being given to a victim. What should be done if the victim has started breathing but still unconscious?
4
Placed under the armpit or inside the mouth for 2 – 3 minutes until a "beep" sound is heard. The information above explains how to use a type of thermometer. What is the thermometer?
5
The information below shows the health screening data of a women. Body temperature : 36.9 C Pulse rate : 78 bpm Blood pressure : 144 / 98 mmHg What risk might this women be facing?
6
Diagram 3 shows an environmental awareness campaign poster. Which of the following is the best way to support the campaign?
7
Study the following information. K : Gene for curly hair k : Gene for straight hair Which of the following it correct genotype if Aida's has a straight hair?
8
Diagram 4 shows a boy who has a knee injury. Which of the following processes will be able to heal the injury knee?
9
Diagram 5 shows three different thumbprints. What causes the different to accur although they are from the same parent?
10
Diagram 6 shows an animal undergoing a process. Which of the following statement shows the growth characteristics of the animals?
11
Which of the following is correct about human skeletal system?
12
Diagram 7 shows the position of the endocrine glands in the human body. Which endocrine glands A, B, C or D can cause the effects of acromegaly if hormones are secreted excessively
13
What is the effect of depressant drugs on body coordination?
14
Which of the following reactions will form an ionic substance?
15
Diagram 9 shows an oxygen atom that has 8 electrons with its electron arrangement 2.6. How does this atom achieves a stable octet electron arrangement?
16
Table 1 shows the number of subatomic particles for elements K, L, M and N. | Isotop Isotope | Bilangan proton Number of proton | Bilangan neutron Number of neutron | |---|---|---| | K | 6 | 12 | | L | 6 | 14 | | M | 7 | 16 | | N | 8 | 16 | Jadual 1 / Table 1 Which pair of elements are isotopes?
17
Diagram 9 shows the apparatus in the laboratory. What type of glass is used?
18
What should be done to natural rubber to produce tyres that are hard and more heat resistant?
19
Kamarul suffered from back and neck pain. He went for a medical treatment to correct his bone position. What medical practises has Kamarul used?
20
Choose the correct statement related to free radical. I Atom or molecule that lack one electron II Causes early aging and gray hair III A stable atom IV Can damage the DNA structure
21
Diagram 10 shows that a coconut falling from a tree takes 3 seconds to reach the ground What is the gravitational acceleration of the fruit if the final velocity is 30 ms⁻¹? Gravitational acceleration = \frac{Final velocity - Initial velocity}{Time}
22
The statement below describe about process P. > Nuclear energy is produced when Uranium-235 is bombarded by a neutron What is process P?
23
The radiation spread from nuclear tests causes somatic and genetic effects. Which of the following are somatic effects? I. Hair loss II. Cell mutation III. Cataract IV. Cancer
24
Diagram 11 shows the reproduction process of a type of microorganism. What is the name of the reproductive process?
25
Trichophyton rubrum causes a disease called athlete's foot which can be spread to other individuals. What is the method to treat this diseases so that it is not infected to other individuals?
26
Diagram 12 shows the condition of the inner artery wall of an individual with cholesterol deposits. What should be done by the individual to prevent this condition from getting worse?
27
Diagram 13 shows some fish are dried under the sunlight. State the factor that helps the fish to last longer.
28
Which of the following is an effect of eutrophication?
29
Table 2 shows an experiment for a rection between zink and dilute hydrochloric acid at temperature of 30 C. | Kelalang kon | Campuran dalam kelalang kon | Masa yang diambil untuk mengumpulkan 30.00 cm^3 gas | | Conical flask | Mixture in the conical flask | Time taken to collect 30.00 cm^3 (s) | | Y | Ketulan zink + asid hidroklorik cair | 150 | | | Zink lumps + dilute hydrochloric acid | | | Z | Ketulan zink + asid hidroklorik cair + larutan kuprum(II) sulfat | 70 | | | Zink lumps + dilute hydrochloric acid + Copper (II) sulphate solution | | Jadual 2 / Table 2 What causes the difference in the time taken to collect 30.00 cm^3 of gas in conical flasks Y and Z?
30
Diagram 14 shows a molecule of soap. What is the characteristic of part Z?
31
Which of the following is the correct members of the homologous group of alkana? | | Bilangan karbon Number of carbon | Alkana Alkane | |---|---|---| | A | 1 | Etana Ethane | | B | 2 | Metana Methane | | C | 3 | Propane Propane | | D | 4 | Pentana Pentane |
32
Diagram 15 shows part of the palm oil extraction process in the industry. What is process W?
33
Diluted zink chloride, ZnCl solution is electrolysed using carbon electrodes. Which ions are attracted to the cathode and anode? | | Katod | Anod | | | cathode | anode | | A | Cl^- | Zn^2+ | | B | Zn^2+ | Cl^- | | C | Zn^2+, H^+ | Cl^-, OH^- | | D | Cl^-, OH^- | Zn^2+, H^+ |
34
Diagram 16 shows a simple chemical cell. If zink is the negative terminal, which metal can be used as the positive terminal, X in this chemical cell?
35
The focal length of a convex lens is 30 cm. Which of the following is a characteristic of an image formed if an object is placed 80 cm from the lens?
36
Diagram 17 shows an optic equipment. How can this equipment help to solve the problem of limited vision?
37
Diagram 18 shows a tool used in a vehicle service centre. Which statement describes the working principle of the tool?
38
Diagram 19 shows the cross-section a fan blade of helicopter. Predict what will happen if the pressure at P is lower than at Q?
39
Diagram 20 shows the orbit around a satellite. Which of A, B, C or D has the highest speed of the satellite?
40
The DMS format coordinates for the National Planetarium are 3°08′22.04"N (latitude) and 101°41′22.53″E (longitude). Using a scientific calculator, convert the DMS coordinates to DD coordinates of the National Planetarium.
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