SPM Biology 2023 Trial MRSM Kertas 1 – 40 Questions with Answers

1

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

2

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

A Nucleus B Chloroplast C Golgi apparatus D Mitochondrion

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

Others Trial 2023 Biology Kertas 1 · MRSM

Others Trial 2023 Biology Kertas 1 · MRSM

Others Trial 2023 Biology Kertas 1 · MRSM

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