Kertas Soalan Percubaan MRSM SPM 2022 Biologi Kertas 1 – 40 Soalan Berjawapan

Diagram 1 shows an anatomical drawing of a horse. Which of **A**, **B**, **C** and **D** shows the anatomical direction of the posterior part?

A A B B C C D D

Which component of an animal cell has two layers of membrane?

A Ribosome B Mitochondrion C Golgi apparatus D Plasma membrane

Diagram 2 shows the structure of a plant cell. Which structure **A**, **B**, **C** or **D** acts as a medium for biochemical reactions in the cell?

A A B B C C D D

Diagram 3 shows Visking tubing containing 10% sucrose solution. After 20 minutes, the volume of the Visking tubing decreases. What is solution K?

A Distilled water B 20% sucrose solution C 10% sucrose solution D 5% sucrose solution

Diagram 4 shows the movement of substances across a plasma membrane. Which of the following is a movement of substances across the plasma membrane as shown in Diagram 4?

A Gaseous exchange between an alveolus and blood capillary B Reabsorption of water through the renal tubule in the kidney C Transport of sucrose from leaf to phloem tissue D Absorption of fructose molecules in villus

During a field trip to the mangrove swamp, Ahmad collected a soil sample from the area to pot a chilli plant. After a few days, he found that the plant had wilted. What is the process that happens to the plant cells and what should Ahmad do to help the wilted plant? | | Process | Action | |---|---|---| | A | Haemolysis | Put the plant under the sunlight | | B | Crenation | Add chemical fertiliser to the soil | | C | Plasmolysis | Add more water to the soil | | D | Deplasmolysis | Add some sand to the soil |

A Haemolysis – Put the plant under the sunlight B Crenation – Add chemical fertiliser to the soil C Plasmolysis – Add more water to the soil D Deplasmolysis – Add some sand to the soil

Diagram 5 shows the formation of a chromosome from DNA. What is X?

A DNA B Histone C Nucleosome D Chromosome

The following statement is about enzyme activity. > Enzyme activity can be slowed down or stopped by enzyme inhibitors. Which of the following is an enzyme inhibitor?

A Magnesium ion B Vitamin B C Nitrogen D Mercury

Diagram 6 shows a cell cycle. What happens during phase Q?

A Replication of DNA B Energy is stored C Spindle fibres are formed D Number of cellular components increases

A student carried out an activity as shown in Diagram 7. Which of the following is correct? | | Mixture A | Gas B | Mixture A after 24 hours | |---|---|---|---| | A | Yeast + boiled glucose solution | Carbon dioxide | Yeast + ethanol | | B | Boiled yeast + boiled glucose solution | Oxygen | Yeast + glucose solution + ethanol | | C | Yeast + glucose solution | Oxygen | Yeast + lactic acid | | D | Boiled yeast + glucose solution | Carbon dioxide | Yeast + water |

A Yeast + boiled glucose solution – Carbon dioxide – Yeast + ethanol B Boiled yeast + boiled glucose solution – Oxygen – Yeast + glucose solution + ethanol C Yeast + glucose solution – Oxygen – Yeast + lactic acid D Boiled yeast + glucose solution – Carbon dioxide – Yeast + water

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Others Trial 2022 Biologi Kertas 1 · MRSM

Others Trial 2022 Biologi Kertas 1 · MRSM

Others Trial 2022 Biologi Kertas 1 · MRSM

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