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Kedah Trial 2023 Biology Kertas 1

1
Diagram 1 shows reproduction process in Amoeba sp. What is the name of the process?
2
A piece of plant tissue is transferred from a beaker of water into a beaker of concentrated sugar solution. Which of the following is correct? | | Movement of water | Volume of tissue cells | | A | Into the cells | Decreases | | B | Into the cells | Increases | | C | Out of the cells | Decreases | | D | Out of the cells | Increases |
3
Sample P is tested with Benedict's solution. It produces a brick-red precipitate. What is sample P?
4
The following information is about a field of study in Biology. Study of the function and mechanisms in organisms.
5
A student soaked a piece of papaya in a vinegar solution. After a few days, she found that the papaya tasted sour. Which of the following statements explain the condition? I The papaya was soaked in a hypotonic solution II Vinegar molecules diffused into the papaya cells III Vinegar molecules need energy to diffuse into the cell IV The plasma membrane of the papaya cell is permeable to vinegar molecules
6
Enzymes are easily destroyed when the surrounding factors changed. The immobilisation enzyme technology is introduced to overcome the problems. Diagram 2 shows one usage of the technology in the industry application. What is the advantage of using immobilised enzyme compared to natural enzymes?
7
Diagram 3 shows the phase W in meiosis. What is phase W?
8
Which of the following terms refer to the observable characteristics of an organism?
9
Diagram 4 shows a human karyotype for individual Z. Which of the following statements can explain the abnormalities in the number of chromosomes in individual Z. I The structure of chromosome changes due to a partial deletion on the short arm of chromosome II Nondisjunction of homologous chromosomes during Anaphase II III Nondisjunction of sex chromosomes during oogenesis IV An abnormal secondary oocyte is fertilised by a normal sperm
10
Which of the following processes involves aerobic respiration?
11
Which of the following is the respiratory structure of a frog?
12
A balanced diet for an individual changes according to the lifestyle, health condition and specific nutrient requirement. The nutrient requirement can be based on Pinggan Sihat Malaysia. Which menu based on Pinggan Sihat Malaysia is the most suitable for an obese person?
13
Diagram 5 shows the structures involved in the transport of nutrients to body cells in humans. What substance is transported by structure P?
14
Based on National Immunisation Schedule, Ministry of Health Malaysia, two doses of HPV vaccine are given separately within six months to teenage girls aged 13 years old. What will happen if a teenage girl only takes the first dose of the HPV vaccine?
15
Diagram 6 shows a section through the human heart. What will be the state of the valves when the walls of chambers X and Y are contracting? | | Valves 1 | Valves 2 | Valves 3 | Valves 4 | | A | closed | open | open | closed | | B | closed | open | closed | open | | C | open | closed | open | closed | | D | open | closed | closed | open |
16
The following statements show characteristics of the disease experienced by Mr. A. - Hereditary disease - Blood cannot clot - Excessive bleeding State the name of the disease.
17
Table 1 shows urea concentration in the blood capillary and urine. | Content | Concentration in blood capillary after leaving the kidney (mmol/L) | Concentration in urine (mmol/L) | | Urea | 0 | 7.14 | Which of the following processes cause the different concentration of urea in urine?
18
Diagram 7 shows the concentration of antibody in the blood of individual P and individual Q for a period of time to acquire immunity. Each of them was given two injections respectively. What type of immunity is obtained by individual P and individual Q? | | Individual P | Individual Q | | A | Artificial Active Immunity | Artificial Passive Immunity | | B | Artificial Passive Immunity | Artificial Active Immunity | | C | Natural Active Immunity | Artificial Active Immunity | | D | Natural Passive Immunity | Natural Active Immunity |
19
Diagram 8 shows a man being chased by a dog. Which of the following responses occur in the man's body when facing the situation in Diagram 8? I The rate of respiration increases II Blood glucose level decrease III The rate of heartbeat increases IV Metabolic rate decrease
20
What is the neurone that carries nerve impulse from receptors to the brain?
21
Diagram 9 shows a part of human skeletal system. What is the bone labelled S?
22
Which of the following are discontinuous variation in human? I Types of finger print II Body height III Blood group IV Body mass
23
Diagram 10 shows the female reproductive system. Which of the parts A, B, C or D does the fertilisation take place?
24
Diagram 11 shows the changes of hormone K in human menstrual cycle. What will happen if hormone K fails to be secreted by the ovary?
25
The following statement refers to the plants that adapted to live in dry and cold habitat. - Has small leaves. - Growing closely and almost near to the ground. What is the type of plant that live in this habitat?
26
Diagram 12 shows a cross section of a eudicot stem. Which of the labelled parts A, B, C or D, transports water and mineral salts?
27
Which of the following statements are correct about the male reproductive part of the flower? I It contains stigma and style II It produces pollen grains III It is located in the middle of the flower IV It protrudes out of the base of the ovary
28
Diagram 13 shows an experiment to study the effect of the colour of light on the rate of photosynthesis. What is light Q?
29
Which of the following corrective mechanisms return the high blood pressure to normal blood pressure? I Cardiac muscles contract and relax faster II Heartbeat rate becomes slower III Vasodilation occurs IV Resistance of blood flow increases
30
Which of the following parts produce pollen grains?
31
Which of the following is a micronutrient?
32
Diagram 14(a) shows a phase in cell cycle and Diagram 14(b) shows a longitudinal section of a root tip: Based on Diagram (b), which labelled part, A, B, C or D undergoes M phase?
33
Diagram 15 shows the structure of a microorganism. Which kingdom does the organism belong to?
34
Diagram 16 shows phloem structure of a terrestrial plant. Which of the following characteristics of the sieve tube and companion cell is suitable for its function? I The sieve tube has nucleus, ribosome and vacuoles II At both ends of the sieve tube there are a sieve plates that have pores III Companion cells have mitochondria IV Made up of dead cells
35
Diagram 17 shows an experiment carried out in the lab. Which of the following statements explain the situation in Diagram 17?
36
Diagram 18 shows a cross-section of a leaf. Which of the parts, A, B, C or D has the highest evaporation rate?
37
Which of the following steps reduce the problem of global warming? I Car pooling II Reduce the usage of NPK fertiliser III Reduce the industrial solid waste IV Replanting trees
38
Figure 19 shows three growth zones at the tip of the plant shoots. Match cell with their respective zones. | | Zone I | Zone II | Zone III | | A | | | | | B | | | | | C | | | | | D | | | |
39
The following information describes an inheritance in a family. > A woman who has normal eyesight is married to a man who is also normal eyesight. The married couple has two daughters with normal eye-sight and a son who is colour-blind. What are genotypes of the married couple that can explain the inheritance of the colour blindness in this family? | | Husband's genotype | Wife's genotype | | A | X^B^ Y | X^B^ X^B^ | | B | X^b^ Y | X^B^ X^b^ | | C | X^B^ Y | X^B^ X^b^ | | D | X^b^ Y | X^b^ X^b^ |
40
The following statement refers to classification in the field of biotechnology. > Biotechnology can be classified according to the industry that applies it. Ten colours are used to represent ten different industries but green, white, yellow and blue biotechnology are the main activities in biotechnology. Which of the following is the contribution of yellow biotechnology?
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