Kertas Soalan Percubaan MRSM SPM 2023 Biologi Kertas 1 – 40 Soalan Berjawapan

The following information is method for managing biological waste. - Packed in biohazard plastic bags - Sterilised in an autoclave - Placed into a biohazard bin Which of the following materials is disposed using these methods?

A Blood B Syringes C Gloves D Animal carcases

Diagram 1 shows an animal cell. What is structure P?

A Nucleus B Chloroplast C Golgi apparatus D Mitochondrion

Which of the following is correctly matched for the cell component and its function? | | Cell component | Function | |---|---|---| | A | Plasma membrane | Maintains the shape of the cell | | B | Cytoplasm | Maintains turgidity of the cell | | C | Ribosome | Generates energy | | D | Smooth endoplasmic reticulum | Synthesizes and transports glycerol and lipids |

A Plasma membrane – Maintains the shape of the cell B Cytoplasm – Maintains turgidity of the cell C Ribosome – Generates energy D Smooth endoplasmic reticulum – Synthesizes and transports glycerol and lipids

Diagram 2 shows the condition of an onion cell before and after being immersed in solution X. What is solution X and the process involved? | | Solution X | Process involved | |---|---|---| | A | Hypotonic | Deplasmolysis | | B | Hypotonic | Osmosis | | C | Hypertonic | Haemolysis | | D | Hypertonic | Plasmolysis |

A Hypotonic – Deplasmolysis B Hypotonic – Osmosis C Hypertonic – Haemolysis D Hypertonic – Plasmolysis

A student buys mango slices and sprinkles salty plum powder on the fruit slices. After 30 minutes, he noticed that the fruit slices become soft. What causes this condition?

A Water diffuses into the mango cells by osmosis B Water diffuses out from the mango cells by osmosis C Salt diffuses into the mango cells by facilitated diffusion D Salt diffuses out from the mango cells by active transport

The main source of food for livestock is grass. What is the example of polysaccharide in the grass that provides energy to the livestock?

A Glucose B Sucrose C Cellulose D Glycogen

Diagram 3 shows the graph of enzyme reaction rate for enzymes J, K and L influenced by surrounding pH. Which of the following are enzymes J, K and L? | | J | K | L | |---|---|---|---| | A | Salivary amylase | Trypsin | Lipase | | B | Pepsin | Salivary amylase | Trypsin | | C | Pepsin | Lipase | Trypsin | | D | Lipase | Salivary amylase | Pepsin |

A Salivary amylase – Trypsin – Lipase B Pepsin – Salivary amylase – Trypsin C Pepsin – Lipase – Trypsin D Lipase – Salivary amylase – Pepsin

Diagram 4 shows prophase I of meiosis in an animal cell. What is the number of chromosomes found in the daughter cell after completing its division?

A 2 B 4 C 6 D 8

The following equation shows an aerobic respiration in human muscle cells. Glucose + Oxygen → X + Y + Energy What are X and Y? | | X | Y | |---|---|---| | A | Carbon dioxide | Water | | B | Carbon dioxide | Ethanol | | C | Lactic acid | Water | | D | Ethanol | Lactic acid |

A Carbon dioxide – Water B Carbon dioxide – Ethanol C Lactic acid – Water D Ethanol – Lactic acid

Microorganism such as bacteria plays an important role in the fermentation process to produce yoghurt. Why does the drink taste sour?

A Glucose is broken down into lactic acid B Lactose is broken down into lactic acid C Fructose is broken down into lactic acid

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Others Trial 2023 Biologi Kertas 1 · MRSM

Others Trial 2023 Biologi Kertas 1 · MRSM

Others Trial 2023 Biologi Kertas 1 · MRSM

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