SPM Biology 2022 Trial SBP Kertas 1 – 40 Questions with Answers

1

The following statement is a method for managing one of the biological wastes according to Standard Operating Procedures. > Packed first in autoclave-resistant biohazard plastic bags, sterilised in an autoclave for decontamination and then placed into a biohazard bin. Biohazard plastic bags cannot be thrown into regular waste baskets. What is the biological waste that uses the above method?

A Category A (sharp wastes) B Category B (non-sharp wastes) C Category C (animal carcasses) D Category D (liquids)

2

Which of the following is correct about the cellular structure and its function? | | Cellular component | Function | |---|---|---| | A | Ribosome | To synthesise lipids | | B | Lysosome | To produce energy | | C | Endoplasmic reticulum | To transport substances to the Golgi apparatus | | D | Cell wall | To allow the passage of materials in and out of the cell |

A Ribosome – To synthesise lipids B Lysosome – To produce energy C Endoplasmic reticulum – To transport substances to the Golgi apparatus D Cell wall – To allow the passage of materials in and out of the cell

3

Mrs. Z prepared mango pickle to be sold at the school canteen. She cut the mango into small slices and mixed them with a concentrated sugar solution. Which of the following shows the mango cell after being immersed in the sugar solution for five hours?

A

B

C

D

4

Diagram 1 shows a movement of substances across a plasma membrane. Which of the following is true about Diagram 1?

A Accumulation or excretion of substances B The movement of substances follows the concentration gradient C The process continues until dynamic equilibrium is achieved D It requires specific channel proteins to bind with certain substances

5

The following statements are about substance L. - Does not form chemical bonds with additional hydrogen atoms. - Its fatty acids have only single bonds between carbon atoms. Which food contains substance L?

A Olive oil B Salmon C Avocado D Butter

6

Diagram 2 shows the action of the enzyme sucrase. What are R, S and T? | | R | S | T | |---|---|---|---| | A | Sucrase | Lactose | Glucose | | B | Sucrase | Glucose | Glucose | | C | Sucrase | Galactose | Glucose | | D | Sucrase | Glucose | Fructose |

A Sucrase – Lactose – Glucose B Sucrase – Glucose – Glucose C Sucrase – Galactose – Glucose D Sucrase – Glucose – Fructose

7

Diagram 3 shows a shirt washed by Puan S using tap water. The stain on the shirt could not be removed completely even though it had been washed using an enzyme-powered detergent. The amount of detergent used followed the suggestion on the detergent box. What change can Puan S make to remove the stain?

A Increase the amount of detergent used to two times the suggested measure B Reduce the amount of detergent used by two times C Use warm water to wash the cloth D Use cold water to wash the cloth

8

Diagram 4 shows a complete cell cycle. State the chromosomal behaviour at T.

A DNA is synthesised and replicated to form sister chromatids B The homologous chromosomes line up at the middle of the cell C Sister chromatids are separated by the shortening of the spindle fibres D Cytokinesis occurs

9

Diagram 5 shows the karyotype of an individual with Down syndrome. Which of the following statements describes the event that formed the karyotype in Diagram 5?

A Uncontrolled mitosis B Non-disjunction of chromosomes during anaphase II C Chromosomes are not arranged at random on the equatorial plane during metaphase II D Incomplete cytokinesis after nuclear division

10

Fermentation occurs in limited oxygen conditions or without oxygen, while aerobic respiration occurs in the presence of oxygen. Which of the following is correct regarding the differences between aerobic respiration and fermentation? | | Aerobic respiration | Fermentation | |---|---|---| | A | Occurs in the cytoplasm | Occurs in the cytoplasm and mitochondria | | B | Does not produce water | Produces water | | C | Glucose is not oxidised completely into ethanol and carbon dioxide or lactic acid | Glucose is oxidised completely into carbon dioxide and water | | D | One molecule of glucose generates 2898 kJ of energy | One molecule of glucose generates 210 kJ or 150 kJ of energy |

A Cytoplasm – Cytoplasm and mitochondria B No water – Produces water C Incomplete oxidation – Complete oxidation D 2898 kJ – 210 kJ or 150 kJ

Others Trial 2022 Biology Kertas 1 · SBP

Others Trial 2022 Biology Kertas 1 · SBP

Others Trial 2022 Biology Kertas 1 · SBP

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