Biology Trial SPM Terengganu K1 2017

Diagram 1 shows a plant cell.

What is the function of X ?

• To control osmotic pressure

• To store extra DNA

• To prevent plants from dehydration

• To maintain cell shape

Diagram 2 shows a part of the human digestive system

Which organelle can be found in large numbers in structure Y?

• Smooth endoplasmic reticulum

• Rough endoplasmic reticulum

• Mitochondrion

• Lysosome

• A

• B

• C

• D

Diagram 4 shows the movement of substance Q through the plasma membrane.

What is the process shown by the movement of substance Q?

• Osmosis

• Active transport

• Simple diffusion

• Facilitated diffusion

Figure 5 shows a type of unicellular organism that lives in a freshwater pond.

Which of the labeled parts A,B, C or D performs osmoregulation?

• A

• B

• C

• D

Diagram 6 is a graph showing the result of an experiment to determine the concentration of the cell sap of potatoes.

At which point A, B, C or D, is the concentration of the cell sap of the potatoes ?

• A

• B

• C

• D

• A

• B

• C

• D

Diagram 8 shows two levels of organizational structure of protein.

What are structures J and K ?

• J = Secondary / K = Primary

• J = Primary / K = Quartenary

• J = Secondary / K = Tertiary

• J = Primary / K = Tertiary

Diagram 9 shows the action of an enzyme to form a disaccharide

Apakah S dan T ?

• S = Galactose / T = Maltose

• S = Glucose / T = Sucrose

• S = Galactose / T = Sucrose

• S = Glucose / T = Maltose

Which of the following diagrams is not true about a stage in mitosis?

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