Question 1
Which property of water makes it an effective transport medium and solvent in living organisms?
Correct Answer:
It is a polar molecule that forms hydrogen bonds and dissolves ionic and polar substances
Question 2
A student performs Benedict's test on a food sample and the solution turns brick-red after heating. What does this indicate?
Correct Answer:
Presence of reducing sugar
Question 3
Which statement correctly describes the basic structural unit (monomer) of proteins?
Correct Answer:
Amino acids joined by peptide bonds
Question 4
According to the fluid mosaic model, the cell membrane is mainly composed of:
Correct Answer:
A phospholipid bilayer with embedded proteins
Question 5
A plant cell is placed in a concentrated salt solution. What is most likely to happen to the cell?
Correct Answer:
It undergoes plasmolysis as water leaves by osmosis
Question 1
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About this Exam

Prepare with the HKDSE Biology Practice Questions - Hong Kong Diploma of Secondary Education (HKDSE) Biology Exam practice quiz. This question bank includes 100 questions covering cell, plant, because, enzyme, and rate. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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HKDSE Biology Practice Questions - Hong Kong Diploma of Secondary Education (HKDSE) Biology Exam

This practice set contains 100 questions from the matching question bank and focuses on cell, plant, because, enzyme, and rate. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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