Cameroon GCE O-Level Human Biology Practice Questions - Cameroon General Certificate of Education Ordinary Level Human Biology (Subject Code 0565) Exam - Cameroon GCE O-Level Human Biology Practice Questions - Cameroon General Certificate of Education Ordinary Level Human Biology (Subject Code 0565) Exam

Question 1

Which cell organelle is known as the 'powerhouse of the cell' and is the primary site of aerobic cellular respiration and ATP synthesis?

Mitochondrion Ribosome Golgi apparatus Lysosome

Correct Answer:

Mitochondrion

Question 2

According to the fluid mosaic model, what is the fundamental structural framework of the human cell membrane?

A rigid cellulose wall embedded with pectin fibres A selectively permeable phospholipid bilayer with embedded and peripheral proteins A solid layer of glycoproteins surrounded by a chitin matrix A single layer of cholesterol molecules bonded to polypeptide chains

Correct Answer:

A selectively permeable phospholipid bilayer with embedded and peripheral proteins

Question 3

Which cellular structure is directly responsible for assembling amino acids into polypeptide chains during protein synthesis?

Centrosome Ribosome Smooth endoplasmic reticulum Peroxisome

Correct Answer:

Ribosome

Question 4

What happens to human red blood cells when they are placed in a hypotonic solution such as pure distilled water?

They lose water by osmosis and shrink (crenation) They absorb water by osmosis, swell, and burst (hemolysis) They remain unchanged because the cell membrane is impermeable to water They divide rapidly by binary fission to balance the osmotic pressure

Correct Answer:

They absorb water by osmosis, swell, and burst (hemolysis)

Question 5

Which statement correctly contrasts mitosis and meiosis in human biology?

Mitosis produces 4 genetically varied haploid cells, whereas meiosis produces 2 identical diploid cells Mitosis occurs in somatic cells for growth and repair, whereas meiosis occurs in the gonads to produce haploid gametes Mitosis reduces the chromosome number from 46 to 23, whereas meiosis maintains the diploid chromosome number of 46 Mitosis involves two successive nuclear divisions, whereas meiosis consists of a single division without DNA replication

Correct Answer:

Mitosis occurs in somatic cells for growth and repair, whereas meiosis occurs in the gonads to produce haploid gametes

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Prepare with the Cameroon GCE O-Level Human Biology Practice Questions - Cameroon General Certificate of Education Ordinary Level Human Biology (Subject Code 0565) Exam practice quiz. This question bank includes 100 questions covering human, blood, primary, physiological, and cells. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Cameroon GCE O-Level Human Biology Practice Questions - Cameroon General Certificate of Education Ordinary Level Human Biology (Subject Code 0565) Exam

This practice set contains 100 questions from the matching question bank and focuses on human, blood, primary, physiological, and cells. 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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Cameroon GCE O-Level Human Biology Practice Questions - Cameroon General Certificate of Education Ordinary Level Human Biology (Subject Code 0565) Exam

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