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Kedah Trial 2024 Biology Kertas 1

1
Which of the following is not a characteristic of a biological drawing?
2
Diagram 1 shows an animal cell. What is structure P?
3
Diagram 2 shows a red blood cell that has been immersed in solution X. What is solution X?
4
Diagram 3 shows an osmometer experiment prepared by a student. Which of the following steps can be carried out by the student to lower the level of Y in the experiment?
5
The following information describe a type of chemical compound found in the cells. - Complex organic compound that is made up of carbon, hydrogen and oxygen elements - The presence of the chemical compound can be detected by iodine test What is the chemical compound?
6
Diagram 4 shows an experiment that has been carried out by a student to study the action of pepsin on protein. The student put 5 ml of albumen suspension, 1 ml of distilled water and 1 ml of 1% pepsin solution into a test tube. The cloudy mixture was left for 20 minutes in water bath. At the end of this experiment, the student found that the mixture did not turn clear and remained cloudy. What must the student do in order the cloudy mixture turns clear at the end of the experiment?
7
Diagram 5 shows an animal cell undergoing a phase in mitosis. What is the name of the phase?
8
Diagram 6 shows an event during cell division. Which of the following statements describe the event?
9
Which activities will cause the accumulation of lactic acid in the muscles?
10
Diagram 7 shows the respiratory structure of a cockroach. What are the structures labelled X, Y and Z?
11
Diagram 8 shows the organs that involved in digestion of food. Which of the following statements explain the function of H in the digestion of fatty food?
12
Diagram 9 shows the condition of a woman who often experiences heartburn due to her inappropriate eating habits such as eating spicy, fried and sour foods. What types of food are suitable to be consumed by the woman in order to reduce the condition she is experiencing? I Consume lots of fish as a source of protein. II Consume lots of fruits like pineapples and oranges. III Consume a lot of processed food such as kimchi IV Consume food sources that contain unsaturated fats such as avocados, walnuts, olive oil and sesame oil
13
Which of the following is an open circulatory system?
14
The following information is about the mechanisms of blood clotting. P - Platelets release thrombokinase and other clotting factors Q - Thrombin convert fibrinogen into fibrin which form a meshwork of threads over the wound R - The platelets in the blood that exposed to air become sticky and clumped together S - Thrombokinase converts prothrombin into thrombin Which sequence is correct about the mechanisms of blood clotting?
15
Diagram 10 shows a graph of one type of immunity. Based on the Diagram 10, which of the following statements represents the acquired immunity?
16
A child accidentally stepped on a rusty nail while walking around his house. His father immediately sent him to the hospital for treatment. The doctor gave injection to the child. What is the content and function of the injection?
17
Diagram 11 shows the structure of a type of neurone. Which of the parts labelled A, B, C or D protects neurone from injury?
18
Diagram 12 shows a reflex arc. Which of the following are true about the reflex arc? I The reflex arc involves brain II The reflex arc involves two neurones III This reflex arc involves the contraction of the quadriceps muscle IV This reflex arc causes a person to feel pain when the tendon below the kneecap is knocked.
19
Diagram 13 shows a woman being shocked by a spider. Which of the following responses occur in the woman's body?
20
Diagram 14 shows the structure of a nephron. Which of the following activities cause X to be more permeable to water? P Drinking a lot of coffee Q Eating salty foods R Drinking a lot of water S Exercise a lot
21
Diagram 15 shows the skeletal system of an organism. What is structure X?
22
Diagram 16 shows the blood vessels found in the placenta of a pregnant mother. Which of the following substances has high concentration in blood vessel P?
23
What is the hormone that stimulate the formation of corpus luteum from follicular tissue left behind after ovulation?
24
Which of the following is true about the difference between the types of growth that occur in mangosteen trees and weed?
25
Diagram 17 shows a plant that was exposed to the sun for 10 hours. Which process explains the result shown in Diagram 17?
26
Diagram 18 shows the relationship between the processes of respiration and photosynthesis. What are X and Y?
27
The statements below are about one of the micronutrients required by plants. - Acts as a cofactor in chlorophyll synthesis - Important in the growth of young plants What is the micronutrient?
28
Diagram 19 shows the movement of water molecules in xylem. Which of the following correctly represents P and Q?
29
Diagram 20 shows a part of root of eudicot plant. Which of the following statements are correct about the adaptation of structure R to increase the effectiveness of its function? I R has thin cuticle to ease the water absorption II R is loosely arranged to aid the water absorption III R has big vacuoles to store water and mineral salts IV R is long to increase the total surface area for water absorption
30
Diagram 21 shows a type of response that takes place in tulips. Which of the stimulus cause the tulips to response as shown in Diagram 21?
31
What is the development of ovule after double fertilisation occurred?
32
Diagram 22 shows a longitudinal section of a flower. Which of the following is the effect if the flower is cut at X?
33
Which of the following plant classes is matched with the correct habitat?
34
Which of the following organisms are classified as Eubacteria?
35
Which of the following is the importance of viviparous seed to mangrove swamp plants?
36
Diagram 23 shows a campaign carried out by a group of students about forbidding the usage of plastic straws. This campaign is an initiative for sustainable development. Which of following are the effect of implementing this campaign in an effort to solve environmental issues? I Able to save aquatic life II Able to avoid environment pollution III Able to reduce the use of renewable resources IV Able to encourage the use of natural resources
37
Diagram 24 shows a pair of homologous chromosomes. L is a locus on the pair of homologous chromosomes. What is L?
38
Diagram 25 shows a schematic diagram for blood group inheritance in a family. A father has blood group A and his wife has blood group B. Which of the following are correct?
39
Which of the following is a discontinuous variation?
40
Diagram 26 shows the difference in size between normal Atlantic salmon and 'Super Salmon'. 'Super Salmon' is a genetically modified fish as a result of Chinook salmon growth hormone gene inserted into the normal Atlantic salmon genome. Both fish are 18 months of age. Which of the following statement is true about the production of Super Salmon?
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