Kertas Soalan Percubaan Selangor PINTAS Set 1 SPM 2026 Biologi Kertas 1 – 40 Soalan Berjawapan

What is the **correct** Standard Operating Procedure to manage liquid medium such as blood?

A Thrown into the sink B Thrown into the drain C Wrapped in a biohazard plastic bag D Decontaminated using autoclave before thrown

The following are three organs in a human body. > Lung, Kidney, Skin Which of the following system consists of the organs?

A Lymphatic system B Blood circulatory system C Excretory system D Endocrine system

Diagram 1 shows an animal cell. Which statement is **correct** about the function of structure **X**?

A Only allows water to pass through it B Allows all substances to pass through it C Does not allow any substances to pass through it D Only allows selected substances to pass through it

A housewife immersed cucumber slices in 0.1% sucrose solution. After 3 hours, the cucumber slices are found to be turgid and hard. Which statement explains this phenomenon?

A Water diffuses into the cucumber via osmosis B Cell wall does not allow sucrose molecule to pass through it C Diffusion of water out and into the cell occurs at the same rate D Sucrose molecule is transported via facilitated diffusion across the plasma membrane

The following information is about the formation of sucrose molecule. > Glucose + Molecule R → Sucrose + Water What is molecule **R**?

A Glucose B Lactose C Fructose D Galactose

Which of the following substance acts as cofactor for an enzyme?

A Lead B Mercury C Amino acid D Magnesium ion

Diagram 2 shows a type of cell division in human. Which of the following is the characteristic of the cell division?

A Cytokinesis occurs four times B Cell division occurs in somatic cells C Daughter cells produced are haploid D Homologous chromosomes separate during anaphase II

Diagram 3 shows a cell cycle. Which of the following difference is **correct** for G1 and G2?

A G1: DNA undergoes replication; G2: Sister chromatids are formed B G1: Cell components are produced; G2: Cell accumulates energy C G1: Cell in inactive form; G2: Cell keeps growing D G1: Is at interphase; G2: Is at mitotic phase

Diagram 4 shows a type of food made from soybeans that involved the process of fermentation. Which of the following step can speed up the production of the food? I Increases the fermentation time of soybean II Add more *Rhizopus* sp. mould in the soybean III Keep the mixture of soybean and *Rhizopus* sp. mould in moist condition IV Ensure low temperature to prevent growth of mould

A I and II B I and IV C II and III D III and IV

Which of the following is the **correct** sequence for the process of transport of carbon dioxide from body cell to tissue capillary? - P: Carbonic acid breaks down into hydrogen ion and bicarbonate ion - Q: Carbonic anhydrase enzyme catalyses the reaction - R: Carbon dioxide binds with water in erythrocytes - S: Carbonic acids are formed in erythrocytes

A R, S, Q, P B Q, P, R, S C S, R, P, Q D S, P, Q, R

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Selangor Trial 2026 Biologi Kertas 1 · PINTAS Set 1

Selangor Trial 2026 Biologi Kertas 1 · PINTAS Set 1

Selangor Trial 2026 Biologi Kertas 1 · PINTAS Set 1

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