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Melaka Trial 2023 Biology Kertas 1 · UD3

1
Which of the following is biological waste of category A?
2
The following statement is about component cell X. > Site of photolysis of water and reduction of carbon dioxide gas What is component cell X?
3
Diagram 1 shows the transport of a substance across plasma membrane. Which of the following statements are correct about the transport? - Transport of substance is affected by the concentration of substance - Occurs in distal convoluted tubule during the secretion of urea - Mitochondria is needed to enable the process to occur - This process will occur until dynamic equilibrium is achieved
4
A student experienced severe diarrhea and vomiting due to food poisoning. Which of the following is the most suitable drink that should be taken immediately to overcome the problem?
5
Which of the following is correct about lipid?
6
Diagram 2 shows substance Y which assists enzyme reaction. Which of the following are examples of substance Y?
7
Diagram 3 shows the process of producing lactose free milk using enzyme K. Why the method is used widely in dairy industry?
8
Diagram 4 shows part of the process of human reproductive cells formation. What are the type of cell division that occur at S and T?
9
Systemic Lupus Erythematosus (SLE) is a type of disease related to immune system that can be treated by stem cell therapy. What is the benefit of using this method of treatment?
10
Bacteria Clostridium butyricum lives in anaerobic condition. What would happen to some of the bacteria if oxygen is supplied?
11
The following statements are the adaptation of respiratory structure of an organism. - Consist of many thin and flat projections - Supplied with many blood capillaries What is the respiratory structure?
12
Diagram 5 shows the epithelial tissue on the inner surface of the stomach wall. What is the substance secreted by cell J?
13
A student has carried out an experiment to study the energy value in a food sample. Table 1 is the data obtained from the experiment. | Mass of peanut (g) | 0.6 | | Volume of water (ml) | 20.0 | | Initial temperature of water (°C) | 29.0 | | Final temperature of water (°C) | 48.0 | | Water specific heat capacity (Jg⁻¹ °C⁻¹) | 4.2 | What is the energy value of the peanut?
14
Diagram 6 shows a blood circulatory system for an organism. What are the part labelled P and Q?
15
Diagram 7 shows an electrocardiogram which is used to examine condition of heart. Why electrodes are attached to the skin of the patient?
16
An individual has been infected by virus T nine years ago due to free sex practices. Which of the following cells attacked by the virus?
17
Diagram 8 is a graph of the changes in body temperature of an individual. Which of the following is correct about hormones that are secreted during L and M?
18
Diagram 9 shows a graph of a body coordination that occurs during an activity. Which of the following is correct about the coordination?
19
Which of following are the factors that involve endocrine system in their regulation? - Body temperature - Blood pressure - Blood sugar level - Partial pressure of carbon dioxide
20
Diagram 10 shows graph of bone mass of women for a period of time. What is the symptom that begins to be experienced by the woman at T?
21
What happen to primary oocyte when a female child reaching puberty?
22
Which of the following substances are found on the cell wall of collenchyme tissue? - Hemicellulose - Cuticle - Lignin - Pectin
23
Diagram 11 shows graph of the growth of corn seedlings which are exposed to two different type of music. Which of the following statements is correct about the growth?
24
Diagram 12 shows the compensation point for plant P and Q. Which of the following is correct about plant P and plant Q?
25
Diagram 13 shows the condition of the leaves of chili plant planted by a housewife. Which of the following kitchen waste can be used to help overcome the problem?
26
Diagram 14 shows apparatus of experiment to study the transport of water in plant. What is the factor that causes the changes water level at the end of the experiment?
27
In an experiment of plant tissue culture, a researcher has added different ratio of phytohormon into two cultured medium M and N. Diagram 15 shows the growth that occurs after callus is left for a week. Which of the following is the match of plant hormones that cause the growth?
28
Diagram 16 shows a longitudinal section of a flower. Which of the parts labelled R, S, T or U that produces the embryo sac?
29
Which of the following statements is correct about double fertilization process?
30
A farmer has hang mature corn cobs that he harvested for a few weeks until they dry to become seeds. What is the most suitable method to store the seeds so they last longer?
31
Diagram 17 shows a parenchyma tissue found in plant X. What is the habitat for plant X?
32
Diagram 18 shows role of microorganism in nitrogen cycle. What are microorganism P and Q?
33
Diagram 19 shows an innovation to overcome the increasing number of cases of an infectious disease. How does this method controls dengue viruses transmission?
34
The following information is about relationship of the number of living organism on different trophic level of an ecological pyramid. > More number of organism with higher biomass when trophic level is increasing. Which of the following is correct about the ecological pyramid?
35
Diagram 20 shows one of the effects cause by the emission of greenhouse gases into the environment for a long term. What is the main factor that contribute to the phenomenon?
36
A marriage of a spouses who have different Rhesus factor produce first child with positive Rhesus factor. However, the following pregnancy ended with stillbirth. What is the genotype of parents and the dead infant?
37
The ability to roll tongue is determined by a single gene. This gene has dominant and recessive alleles. The allele for able to roll tongue is dominant to the allele for not able roll tongue. Diagram 21 shows the inheritance of ability to roll tongue in a family. What is the probability of the next child from the same parents having the ability to roll tongue?
38
Which of the following it the type of gene mutation that causes sickle cell anemia?
39
Diagram 22 shows the inheritance of the characteristic ability to taste phenylthiocarbamide (PTC) in a family. Non-coloured symbol is for taster, coloured symbol is for non-taster. Which of the following is correct about the inheritance of the characteristic?
40
Development in biotechnology enable the use of CRISPR technology to cut genome during gene therapy. Which of the following statement is correct about CRISPR technology? - Normal gene is inserted into the cell by using virus - CAS 9 enzyme cut the broken DNA which has been identified - RNA is used to identify the broken gene that needed to be cut - The presence of virus in the body system may induce immune response
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