MATSEC AM Biology Practice Questions - Malta Advanced Matriculation (AM) Biology - AM 05 (2026) Exam - MATSEC AM Biology Practice Questions - Malta Advanced Matriculation (AM) Biology

Question 1

According to the biological species concept, two populations belong to the same species if they:

share similar morphology and occupy the same habitat type can interbreed in nature to produce fertile offspring and are reproductively isolated from other such groups have identical DNA sequences across all loci are classified in the same genus by taxonomists

Correct Answer:

can interbreed in nature to produce fertile offspring and are reproductively isolated from other such groups

Question 2

Which sequence of taxonomic ranks is correctly ordered from most inclusive to least inclusive?

Species → genus → family → order → class → phylum → kingdom Kingdom → phylum → class → order → family → genus → species Kingdom → class → phylum → order → genus → family → species Phylum → kingdom → class → family → order → genus → species

Correct Answer:

Kingdom → phylum → class → order → family → genus → species

Question 3

Which statement correctly distinguishes viruses from cellular living organisms?

Viruses always contain both DNA and RNA and divide by binary fission Viruses possess 70S ribosomes and a peptidoglycan cell wall Viruses are always larger than bacteria and contain mitochondria Viruses lack cellular organisation and cannot carry out independent metabolism outside a host cell

Correct Answer:

Viruses lack cellular organisation and cannot carry out independent metabolism outside a host cell

Question 4

In the lytic cycle of a bacteriophage, which sequence of events is correct?

Attachment → injection of nucleic acid → synthesis of viral components → assembly → lysis of host Integration of viral DNA into the host chromosome → long latent period → induction Immediate conversion of the host into a prophage that never produces new virions Fusion of the entire phage head with the host nucleus followed by mitosis

Correct Answer:

Attachment → injection of nucleic acid → synthesis of viral components → assembly → lysis of host

Question 5

Endosymbiotic theory is best supported by which observation about mitochondria and chloroplasts?

They lack their own DNA and divide only when the nucleus divides by mitosis They synthesise all eukaryotic proteins on 80S cytosolic ribosomes only They have circular DNA, 70S ribosomes and double membranes consistent with free-living bacterial ancestors They are found exclusively in prokaryotic cells

Correct Answer:

They have circular DNA, 70S ribosomes and double membranes consistent with free-living bacterial ancestors

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About this Exam

Prepare with the MATSEC AM Biology Practice Questions - Malta Advanced Matriculation (AM) Biology - AM 05 (2026) Exam practice quiz. This question bank includes 100 questions covering because, mainly, water, correctly, and biological. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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MATSEC AM Biology Practice Questions - Malta Advanced Matriculation (AM) Biology - AM 05 (2026) Exam

This practice set contains 100 questions from the matching question bank and focuses on because, mainly, water, correctly, and biological. 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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MATSEC AM Biology Practice Questions - Malta Advanced Matriculation (AM) Biology - AM 05 (2026) Exam

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