Negeri Sembilan Trial 2025 Biologi Kertas 1

Biologi

Negeri Sembilan Trial 2025 Biologi Kertas 1

• Percubaan Negeri Sembilan
• 40 soalan
• Ada penerangan

1

Diagram 1 shows the graph of the relationship between the rate of enzyme reaction and temperature. Based on Diagram 1, what is the type of variable represented by temperature?

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A Manipulated variable B Responding variable C Constant variable

T4 Chapter 1.4 Scientific Investigation in Biology

2

The following information are the characteristics of a cell component. - Consists of protein and ribonucleic acid (RNA) - Present on the surface of the rough endoplasmic reticulum or exist freely in the cytoplasm What is the cell component?

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A Centriole B Nucleus C Lysosome D Ribosome

T4 Chapter 2.1 Cell structure and function

3

Diagram 2 shows the movement of substance X across the phospholipid bilayer of a plasma membrane. What are the characteristics of substance X? I Polar molecules II Nonpolar molecules III Water soluble molecules IV Lipid soluble molecules

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

T4 Chapter 3.2 Concept of Movement of Substances Across a Plasma Membrane

4

What are the products obtained when a molecule of triglyceride is completely hydrolysed?

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A One molecule of glycerol and three molecules of fatty acids B One molecule of glycerol and two molecules of fatty acids C One molecule of glycerol and one molecule of fatty acids D Three molecules of glycerol and one molecule of fatty acids

T4 Chapter 4.4 Lipids

5

Diagram 3 shows an experiment to study osmosis. What would happen to the liquid level in glass tubes P and Q after one hour? | | P | Q | |---|---|---| | A | Falls | Falls | | B | Falls | Rises | | C | Rises | Falls | | D | Rises | Rises |

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A Falls, Falls B Falls, Rises C Rises, Falls D Rises, Rises

T4 Chapter 3.2 Concept of Movement of Substances Across a Plasma Membrane

6

Diagram 4 shows a graph of the relationship between the rate of reaction and the enzyme concentration when factor K is varied. What is factor K?

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A pH B Time C Inhibitor D Substrate concentration

T4 Chapter 5.2 Enzyme

7

The following equation shows the process that takes place when yeast is used to produce beer and wine. > Glucose ⟶ S + carbon dioxide + energy What is S?

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A Water B Ethanol C Oxygen D Lactic acid

T4 Chapter 7.3 Fermentation

8

Diagram 5 shows the stages of spermatogenesis in human. What is the number of chromosomes in P, Q and R? | | P | Q | R | |---|---|---|---| | A | 46 | 23 | 46 | | B | 46 | 23 | 23 | | C | 46 | 46 | 46 | | D | 23 | 23 | 23 |

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A 46, 23, 46 B 46, 23, 23 C 46, 46, 46 D 23, 23, 23

T4 Chapter 15.2 Gametogenesis in Humans

9

Diagram 6 shows the structure of an insect respiratory system. What is P?

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A Spiracle B Tracheole C Alveolus D Filament

T4 Chapter 8.1 Types of Respiratory System

10

Diagram 7 shows the structure of chloroplast. Which of the following structures A, B, C and D is involved in light-dependent reactions?

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A A B B C C D D

T5 Chapter 2.4 Main Organ for Photosynthesis

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