Kertas Soalan Percubaan Perlis Gempur SPM 2023 Biologi Kertas 1 – 40 Soalan Berjawapan

Diagram 1 shows a rat that being used in an experiment. What is the suitable method to manage this biological waste?

A Decontaminated by autoclave before disposal. B Place into a special bin for sharp material. C Wrapped carefully in absorbent material, packed into biohazard plastic bag and frozen. D Packed in autoclave resistant biohazard plastic bags, sterilized and placed into biohazard bin.

Diagram 2 shows a component in a cell. Which of the following explain the function of the component?

A A site that generate energy. B Forms spindle fibre during cell division in animal cells. C Processes, modifies, packs and transport chemicals such as protein. D Synthesises and transports glycerol and lipids and carry out detoxification of drugs.

Diagram 3 shows the process that has occurred in living organisms. Which of the following describes the process that occurs as in the diagram below?

A This process does not require energy. B This process occurs until a dynamic equilibrium is reached. C Carrier protein change shape to allow glucose molecules to pass through the carrier proteins and to enter the cell. D Phosphate bond provides energy and change the shape of the carrier protein, then sodium ion is transported out of a cell.

Mr. S had diarrhoea and went to the clinic to see a doctor. Which of the following is one of the medicines given by the doctor?

A Liposomes B Saline solution C Isotonic drink D Oral rehydration salt

Which of the following is true about the difference between saturated fat and unsaturated fat? | | Saturated fats | Unsaturated fats | |---|---|---| | A | Coconut oil | Margarine | | B | Liquid at room temperature | Solid at room temperature | | C | Only have single bond between carbon | Have at least one double bond | | D | Can receive additional hydrogen atom | Cannot receive additional hydrogen atom |

A Coconut oil – Margarine B Liquid at room temperature – Solid at room temperature C Only have single bond between carbon – Have at least one double bond D Can receive additional hydrogen atom – Cannot receive additional hydrogen atom

Diagram 4 shows a mechanism of enzyme action. What is X?

A Product B Enzyme C Complex enzyme product D Complex enzyme substrate

Diagram 5 shows a graph of the effect of pH on the rate of enzyme reaction. Which of the following is the optimal pH for enzyme reactions in the stomach?

A pH 2 B pH 7 C pH 8.6

Diagram 6 shows a stage in mitosis. What is the chromosomal behaviour that can be seen in this stage?

A Chromosomes become aligned in a single row on the equatorial plane B Sister chromatids separate and are attracted to the opposite pole C Chromatin starts to shorten and thicken to form a chromosome structure D Homologous chromosome separate and are attracted to the opposite pole

Diagram 7 shows an Orang Utan or the scientific name is *Pongo pygmaeus*. The number of chromosome in the liver cell is 48, how many chromosome in its pancreatic cells?

A 48 B 24 C 96 D 46

Diagram 8 shows a yogurt that undergone fermentation. How much energy that being produce from the process?

A 150 kJ B 210 kJ C 1898 kJ D 2898 kJ

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Perlis Trial 2023 Biologi Kertas 1 · Gempur

Perlis Trial 2023 Biologi Kertas 1 · Gempur

Perlis Trial 2023 Biologi Kertas 1 · Gempur

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