Kertas Soalan Percubaan Kedah SPM 2026 Biologi Kertas 1 – 40 Soalan Berjawapan

1

Which of the following is correct about the horizontal plane?

A Divides the body into frontal and rear parts B Divides the body into upper and lower parts C Divides the structure into right and left parts D Divides the body into right and left parts

2

The following information is about methods for managing different biological wastes according to Standard Operating Procedures. > Packed in autoclave resistant biohazard plastic bags, sterilised in an autoclave for decontamination, and then placed into a biohazard bin. Which of the following, what are biological waste that uses the method?

A Animal organ B Glove C Scalpel D Blood

3

Which of the following cell components functions as a pump to remove excess water in *Amoeba sp.*?

A Contractile vacuole B Food vacuole C Pseudopodium D Lysosome

4

Diagram 1 shows a cell component. Which of the following is the adaptation of the component to the function of the cell?

A Store water and dissolved substances B Contains green pigments to absorb light C Controls movement of substances in and out of the cell D Has a large surface area to generate more energy

5

Diagram 2 shows an experiment. After an hour, the Visking tubing shrinks. Which of the following is correct about the experiment? *Pairs Liquid X – Liquid Y.*

A Distilled water – 10% sucrose solution B 10% sucrose solution – 30% sucrose solution C Distilled water – 30% sucrose solution D 30% sucrose solution – Distilled water

6

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

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

7

Diagram 3 shows the breakdown process of lactose. > Lactose + Water ➜ Glucose + K What is molecule **K**?

A Galactose B Fructose C Glucose D Sucrose

8

Diagram 4 shows the rate of enzyme hydrolysis reactions **R** and **S** in the human body. Which of the following is true about enzymes **R** and **S**?

A Secreted in the stomach – Secreted into the duodenum B The active site changes at pH more than 4 – The active site changes at pH more than 7 C R hydrolyses lipids into fatty acid and glycerol – S hydrolyses starch to maltose D Synthesised in the rough endoplasmic reticulum – Synthesised in the smooth endoplasmic reticulum

9

Diagram 5 shows a bar chart about the change in the chromosomal number of two cells, **P** and **Q** when they undergo cell division. Which of the following is the correct difference between division in cell **P** and cell **Q**?

A Involve two phases of cell division – One phase of cell division B Produce diploid daughter cell – Produce haploid daughter cell C Involve in production of gamete – Involve in production of somatic cell D Produce four daughter cells – Produce two daughter cells

10

Paddy plant cells do not die due to the production of ethanol during the fermentation process. Which of the following statement is correct?

A Paddy plant cells produce alcohol dehydrogenase to break down ethanol into non-toxic carbon dioxide B Paddy plant cells use alcohol dehydrogenase to convert ethanol into oxygen for aerobic respiration C Paddy plant cells produce alcohol dehydrogenase to prevent the formation of ethanol in the tissues D Paddy plant cells use alcohol dehydrogenase to store ethanol as a source of energy in the roots

Kedah Trial 2026 Biologi Kertas 1

Kedah Trial 2026 Biologi Kertas 1

Kedah Trial 2026 Biologi Kertas 1

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