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Kelantan Trial 2023 Science Kertas 1

1
What type of fire extinguisher is most suitable to use when an oil tanker is on fire as a result of a road accident?
2
### Table 1 The information in Table 1 shows the steps to perform the assisted Heimlich Maneuver. - M: Place the right hand grip between the center and the ribs of the victim - N: Stand behind the victim and bend the victim's body slightly forward - O: Wrap your arms around the back of the victim - P: Press and jerk up hard and fast Among the following, which are the correct steps when performing the Heimlich Maneuver to the victim?
3
Diagram 1 shows an instrument for measuring blood pressure. What is the symbol for the unit of measurement for blood pressure?
4
### Table 2 Table 2 shows the body mass and height of a form 5 student. | Body mass (kg) | Height (m) | |---|---| | 42 | 1.4 | BMI = Body mass (kg) / (Height)^2 (m^2) Which of the following correctly shows the BMI and category for the student?
5
A car mechanic is having trouble keeping a pile of old tires in his shop. What is the best way for the mechanic to solve the problem?
6
Diagram 2 shows the widespread human activities. How can this activity contribute to global warming?
7
Diagram 3 shows a hybrid between a red flower plant and a yellow flower plant. M represents the dominant gene for red flower and m represents the recessive gene for yellow flower. What are the genotypes of the two parents?
8
A modern farmer wants to get produce plants with the characteristics below: - Large size potatoes - Eggplant that is slow to spoil - Chili that is resistant to disease attacks Which method is the most suitable to produce the above plant characteristics?
9
Diagram 4 shows the whale can grow larger than the size of their skeleton. Which of A,B,C and D is related to the statement above?
10
Diagram 5 shows a human growth curve graph. Which of the following explains about the graph above?
11
Diagram 6 shows the gland that secretes its hormones during an emergency situations. What are the effects of the above hormone action?
12
### DRUG AND ALCOHOL ABUSE WILL SLOW DOWN REFLEX ACTION Which of the following explains the statement above?
13
Diagram 7 shows a symbol in the Modern Periodic Table of Elemens. How many neutrons in the element above?
14
The following information shows the uses of radioisotopes in life - To study the rate of absorption of carbon dioxide gas during photosynthesis in plants - Estimating the age of artifacts What is the radioisotopes?
15
Which of following products shows the use of polythene?
16
After one year, Ahmad found that the iron gate at his house had rusted. The properties of this pure metal can be improved through the W process. What is W?
17
Which of the following is used to relieve pain?
18
An apple that have been sliced will turns brown after exposure to air. Which of the following is the best way to prevent apple turns brown?
19
An object is said to be in free fall when
20
Diagram 8 shows a strip of ticker tape obtained from a moving trolley. The ticker timer that is used produces 50 ticks per second. What is the speed of the trolley?
21
Which of the following is an example of a natural phenomenon that shows a nuclear fusion?
22
Graphite moderators are one of the components found in nuclear power stations. What is the function of graphite moderator?
23
Diagram 9 shows a type of microorganism. Which of the following is the method of reproduction of the microorganism?
24
### Table 3 Table 3 shows test tubes K, L, M and N containing a mixture of nutrient broth and bacteria with different pH values and stored at different temperatures for 3 days. | Test tube | pH value | Temperature (°C) | | :--------- | :------- | :---------- | | K | 7 | 27 | | L | 2 | 27 | | M | 7 | 37 | | N | 2 | 37 | Based on the information in Table 3, which test tube will be the most cloudy?
25
Diagram 10 shows an experiment to measure the amount of energy generated from peanuts After the experiment, it was found that the water temperature had already changed from 28°C to 60°C. Calculate the calorie value of peanuts. Calorific value of the peanut = 4.2 X Mass of water (g) X Change in water temperature (°C) / Mass of food sample (g) X 1000
26
The information below shows some of the effects of excessive use of chemicals in food processing on human health. - Allergy - Rash - Itchy skin What are the chemical?
27
Which of the following activities increases the carbon footprint?
28
Diagram 11 shows human activity. Which of the following is an effect of this activity?
29
Which of the following is a fast reaction?
30
The information below shows the factors that increase the reaction rate in Process X. - Temperature : 450 °C - Pressure : 1 atm - Catalyst: Vanadium (V) oksida What is the product of Process X?
31
Which of the following hydrocarbons has the general formula CnH2n?
32
Diagram 12 shows the change in the size of the lumen in the artery. What steps should be taken to overcome the problem?
33
Which of the following is an example of an electrolyte?
34
Electrocoagulation is an innovative technique to treat wastewater that applies electrolysis and coagulation processes. How does this coagulation process occur?
35
What is meant by the focal length of a lens?
36
Diagram 13 shows an example of optical instrument. What are the characteristics of the image formed by the optical instrument?
37
Diagram 14 shows part of drone moving in the air. Which of A, B, C or D has the lowest air pressure?
38
Diagram 15 shows a hydraulic system. Pressure = Force / Surface area How much force must be exerted on piston X to balance the 500 N load on piston Y?
39
Which of the following satellite orbits lies at an altitude of 2000 – 35780 km?
40
What is the function of the International Space Station (ISS)?
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