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Perak Trial 2023 Sains Kertas 1 · Set 1

1
Which of the following material can be disposed into a sink?
2
What is the colour of the label on fire extinguisher that is suitable for all types of fire?
3
Diagram 1 shows a technique in Heimlich Manoeuvre. What is the purpose of this technique to be done?
4
Diagram 2 shows a part of a thermometer. What is the function of R?
5
Pulse rate is a measurement of the number of heart beats per minute. If a male athlete's pulse in 10 seconds is 12, what is his pulse rate?
6
What is the meaning of Green Technology?
7
Diagram 3 shows a disaster caused by a socioscientific issue. What is the action should be taken to prevent this disaster from happening?
8
What is the main cause of the greenhouse effect?
9
Diagram 4 shows the inheritance of colour in a type of flower. What is the percentage probability of white flower in the F1 generation?
10
Diagram 5 shows information of genetic engineering technology X. - Combining genes from two different species. - Can be done by combining an animal gene with a plant gene or a bacterial gene. What is the genetic engineering technology X?
11
Diagram 6 shows a type of herbaceous plant. Which of the following is correct about the structure K?
12
Diagram 7 shows an article that is published in the media. Which of the following is the best way to solve the problem?
13
Diagram 8 shows the position of elements in the Modern Periodic Table of Elements. Which of the following is a pair of non-metals?
14
A woman is suffering from a blood clot in her blood vessels. What is the suitable method used to detect the position of blood clot?
15
Diagram 9 shows the characteristics of a glass. - Low melting point - Easy to shape What is the type of that glass?
16
Diagram 10 shows two examples of external factor that produce substance X. What is the effect of substance X on human health?
17
Which of the following describes the use of active ingredients in health product?
18
Diagram 11 shows ticker tape chart of an object. Which of the following is the correct type of movement of the object?
19
Diagram 12 shows two displacement-time graphs for two toy cars. Based on Diagram 12, which statement is correct?
20
A tank ship keeps moving even after its engine had been turned off. Which of the following can explain the phenomenon?
21
What is the reason that Russia, France, the United States and Japan use nuclear energy sources instead of other energy sources?
22
Diagram 13 shows part of a nuclear power station. What is the function of W?
23
A motorcyclist was injured on his knee because he fell from his motorcycle. What is the suitable method to prevent from microorganism infections?
24
Information below shows the eating habit of a student. - Always eats fried food - Didn't eat vegetables - Always eats sweet food - Likes to eat fast food What is the disease probably suffer from if he maintains the same diet?
25
Diagram 14 shows part of the nitrogen cycle. Which of the following is the importance of Bacteria J?
26
Which of the following is an example of the use of a quality breed?
27
Mother plans to prepare sandwiches for a party at school on 29th November 2023. Which of the following loaf should she buy?
28
A group of students had a picnic in the waterfall area and brought a lot of food wrapped in plastic. What is the best action they need to take to dispose of the plastic waste?
29
Which of the following processes is a fast reaction?
30
Diagram 15 shows a graph of volume of gas against time. Which point A, B, C and D, shows the highest rate of reaction?
31
Which of the following is an organic carbon compound?
32
Diagram 16 shows a word equation of fermentation process. What is X?
33
What is the main component of palm oil?
34
Diagram 17 shows the information about carbon compounds. What is the example of K?
35
What is anion presents in copper(II) sulphate solution?
36
Diagram 18 shows a simple chemical cell. Which of the following metal can be used to replace zinc to obtain the highest voltage reading?
37
Table 1 shows the focal lengths of the three convex lenses. | Kanta cembung Convex lens | Panjang fokus (cm) Focal length (cm) | |---|---| | R | 8 | | S | 15 | | T | 55 | Diagram 19 shows an optical instrument that requires two convex lenses. Based on the Table 1 and Diagram 19, select the appropriate combination of convex lenses for this tool to produce images with the correct normal adjustment. | | Kanta objek Object lense | Kanta mata Contact lens | Pelarasan normal Normal adjustment | |---|---|---|---| | A. | T | R | 63 | | B. | R | S | 23 | | C. | S | T | 70 | | D. | T | S | 40 |
38
What are the characteristics of image formed by magnifying glass?
39
Diagram 20 shows an experiment to study Bernoulli's principle. Which of the following statements is true?
40
Diagram 21 shows coordinates of the DMS format for Sekolah Menengah Kebangsaan King Richard. What is the school GPS coordinate in DD format?
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