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Putrajaya Trial 2023 Science Kertas 1 · Set 1

1
Diagram 1 shows an organism. Which of the following is the correct Standard Operating Procedure for disposal of the organism if the organism dies after being dissected?
2
Which of the following fire extinguishers is suitable to put out fire that is caused by electrical devices?
3
Chest compression technique and mouth-to-mouth resuscitation are two important techniques in Cardiopulmonary Resuscitation (CPR). How are these two techniques done to save the victim?
4
Which of the following is NOT the importance of performing CPR?
5
Diagram 2 below shows the blood pressure reading of a man. What can be interpreted from the above reading?
6
Which of the following is the correct method of using a thermometer?
7
Diagram 3 shows disposal of waste from factories directly into the river nearby. What is the effect from the actions of the factory?
8
A grab food driver has to bear high fuel cost because he is often involved in traffic jams during delivery. What is the best way to overcome this problem?
9
Diagram 4 shows a phase in mitosis. Which of the following is the number of chromosomes in the daughter cell produced?
10
Diagram 5 shows the use of DNA recombinant technology in agriculture. After a month it was found that the plants produced were small in size and susceptible to diseases. Which error in steps A, B, C and D above causes the plants to not get the desired characteristics?
11
Otot, tulang, ligamen dan tendon saling bekerjasama untuk menghasilkan pergerakan dalam manusia.
12
Diagram 6 shows a cross section of a plant stem. How old is the plant?
13
Endocrine system consists of several glands including pancreas. Which of the following is the pancreas?
14
Diagram 7 shows a situation faced by a man. Which of the following drugs may cause the situation above?
15
Diagram 8 shows an incomplete periodic table. Which of the following elements is paired in the same period?
16
Carbon-14 and carbon-X were isotopes. If carbon-14 has 8 neutrons and 6 protons, calculate the nucleon number for carbon-X.
17
Diagram 1 shows the composition of an alloy. | Unsur Elements | Timah Tin | Kuprum Copper | Antimoni Antimoni | |---|---|---|---| | Peratus Percentage | 96% | 3% | 1% | Jadual 1 Table 1 Which one is correct about the uses of alloy? Which of the following is true about the properties and uses of the alloy?
18
What is the chemical added into latex to make vulcanised rubber?
19
Oxidation can be seen when food is exposed to the air. This process causes fruits such as apples and bananas to become brown. What are the substances that slow down food oxidation?
20
Free radicals damage our DNA structure by removing electrons from molecules that build DNA. Production of free radicals can be controlled by consume food with those substances except
21
A ball moves with velocity -15 ms⁻¹. Which statement is correct about the ball movement?
22
Diagram 9 below shows the graph of linear movement of a remote control toy car. Calculate the velocity of the toy car from third second to fifth second.
23
Among the following, which country uses nuclear energy extensively for electricity generation?
24
Which microorganism has phagocytosis?
25
Ecoenzym is a natural product obtained from the fermentation of agricultural waste as fruits and vegetables. Among those which is non the advantages of using ecoenzym cleaning solution compared to chemical cleaning substances.
26
A man got sick and went to the hospital to get treated. The doctor gave him an antibiotic. What diseases might he have?
27
Diagram 10 below shows a health problem because of eating habits. What caused the health problem below?
28
Table 2 below shows calorie intake by a form 5 student in one day. | Hidangan Meal | Nilai kalori Calorie Value | |---|---| | Sarapan pagi Breakfast | 1200kJ | | Makan tengahari Lunch | 2000kJ | | Makan malam Dinner | 1500kJ | Jadual 2 Table 2 Ideal calorie intake for a form 5 student is 2500 kJ. What is the health problem of the boy if he continues the diet for a long period?
29
What is the purpose of doing an upcycle?
30
Mr. Helmi is a farmer of palm oil plantations. He found that his palm oil plantation has many rats, which damage the crops. What natural methods can he use to control the rat population in his farm?
31
Which of the following processes has the highest rate of reaction?
32
What is the ratio of nitrogen to hydrogen required in the Haber Process?
33
Why is vanadium (V) oxide used in the Contact Process?
34
Which of the following is a saturated hydrocarbon?
35
Diagram 11 shows a bar chart of the percentage of saturated fat in four types of fat or oil. Which of the following statements is correct about the bar chart?
36
What is a chemical cell?
37
Why must electrolyte in the liquid state?
38
Which of the following is the correct ray diagram of parallel light passing through a convex lens?
39
Which vehicle or machine applies Pascal's principle?
40
The following information describes a type of satellite orbit. - This orbit is circular - This orbit is at a 0º tilt on the equatorial plane What is the orbit?
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