2021 Biology Form 5 - Fun Quiz 1

Diagram 1 shows an animal cell.

Which organelles A, B, C or D is the site of cellular respiration?

• A

• B

• C

• D

Diagram 3 shows the structure of a plasma membrane.

Which of the following molecules can pass through P?

• Amino Acid

• Water

• Glycogen

• Starch

Diagram 4 shows the condition of red blood cell samples which have been placed in different concentration of salt solutions M and N.

What are the type of solution M and N?

• M: Hypotonic N: Hypertonic

• M: Hypertonic N: Hypotonic

• M: Hypertonic N: Isotonic

• M: Hypotonic. N: Isotonic

Diagram 5 is an experiment to show the movement of water through a membrane.

Why does the water level in the glass tube rise?

• Glucose solution flows out

• Water molecules diffused into the Visking tubing

• Air diffused into the Visking tubing

• The atmospheric pressure causes the water level to rise

An experiment is carried out to show the effect of the concentration of sucrose solution to the mass of potato strips. Potato strips were placed in 5 %, 15 % and 30 % sucrose solution. The initial mass of the potato strips is 1.40 g. What is the final mass of the potato strip in 30 % sucrose solution?

• 1.14g

• 1.40g

• 1.58g

• 1.79g

The following equations shows the hydrolysis of four different types of carbohydrates.

• P and Q

• R and S

• Q and R

• P and R

Diagram 6 shows the structure of a triglyceride.

What are represented by X and Y?

• X: Glycerol Y: Fatty acid

• X: Fatty acid Y: Phosphoric acid

• X: Amino acid Y: Glycerol

• X: Phosphate Y: Fatty Acid

Diagram 8 shows the cell cycle.

Which of the following is correct about S phase?

• Replication of DNA

• Synthesis of organelles

• Mitosis and cytokinesis

• Accumulation of energy

Diagram 9 shows a process that occurs during a phase in meiosis.

In which part of a plant does this process takes place?

• Sepal

• Stigma

• Anther

• Filament

Diagram 11 shows a condition faced by a woman as she grows older.

Which nutrient should be consumed to prevent this condition?

• Sodium and Vitamin D

• Calcium and phosphorus

• Iodine and vitamin C

• Protein and vitamin A