Kertas Soalan Percubaan Perak Set 1 SPM 2026 Biologi Kertas 1 – 40 Soalan Berjawapan

Which of the following is the correct match?

A Laboratory equipment: Biological safety cabinet; Material handled: Sterile nutrient agar B Laboratory equipment: Laminar flow cabinet; Material handled: Contaminated blood C Laboratory equipment: Fume hood; Material handled: Chlorine solution

Which of the following muscles is made up of smooth muscle tissue?

A Triceps B Sphincter C Internal intercostal D Quadriceps femoris

Diagram 1 shows a unicellular organism. What will happen to the organism in dry environment?

A Forms spores B Divides through mitosis C Reproduces through conjugation D Carries out binary fission

Diagram 2 shows a movement of substances across a plasma membrane. Which of the following movement of substances is the same as in Diagram 2?

A Absorption of fructose in the villus B Reabsorption of water through the renal tubule C Absorption of potassium ions by root hair cell D Transport of sucrose from the leaf to phloem tissue

Diagram 3 shows a type of liposome in a health product. Which of the following active substances is probably represent **X**?

A Steroid B Vitamin A C Magnesium D Omega-3 fatty acid

Diagram 4 shows two chemical structures of fats. Which of the following matches is correct for **P** and **Q**?

A P: Forms chemical bonds with additional hydrogen atoms; Q: Does not form chemical bonds with additional hydrogen atoms B P: Has single bonds only between carbon; Q: Has at least one double bond between carbon C P: Contains hydroxyl group; Q: Does not contain hydroxyl group D P: Saturated fat; Q: Unsaturated fat

The following information is about the final stage in an enzyme production. > **R** moves towards the plasma membrane and fuses with it to release **S**. What are **R** and **S**?

A R: Transport vesicle; S: Intracellular enzymes B R: Secretory vesicle; S: Intracellular enzymes C R: Transport vesicle; S: Extracellular enzymes D R: Secretory vesicle; S: Extracellular enzymes

Table 1 shows the effect of a treatment on the cancer cells after 24 hours. | Treatment | G₁ (%) | S (%) | G₂ / M (%) | |---|---|---|---| | No treatment | 68.0 | 13.8 | 14.3 | | Received a drug injection | 0.7 | 72.9 | 11.8 | Which of the following statements is correct about the drug?

A Prevents cells from entering G₁ phase B Blocks DNA replication from completing during the S phase C Accelerates the process of cell division in G₂ / M phase D Stimulates cancer cells to divide more rapidly through mitosis

Which of the following genetic diseases is the result of gamete having an abnormal number of chromosomes?

A Cri du chat syndrome B Jacob syndrome C Cystic fibrosis D Albinism

Diagram 5 shows the set-up of apparatus and materials for an experiment. What is the function of **X**?

A Ensure 150 kJ of energy is produced B Prevent anaerobic condition in the test tube C Prevent carbon dioxide dissolved into the mixture D Ensure incomplete breakdown of glucose occurs

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Perak Trial 2026 Biologi Kertas 1 · Set 1

Perak Trial 2026 Biologi Kertas 1 · Set 1

Perak Trial 2026 Biologi Kertas 1 · Set 1

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