Igcse Model Questions Vol1 2017 Biology Question 20

Practice objective / multiple choice question 20 from the 2017 Igcse Model Questions Vol1 Biology examination.

Igcse Model Questions Vol1 2017 Biology Objective / Multiple Choice Hard Difficulty
Question 20 IGCSE_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • objective

A newly isolated microorganism shows the following characteristics: (i) cell wall composed of peptidoglycan, (ii) reproduces by binary fission, (iii) lacks membrane‑bound organelles, (iv) can grow in environments containing up to 15 % NaCl, (v) stains Gram‑positive. Using IGCSE classification criteria, give the most specific taxonomic hierarchy that can be assigned to this organism (Domain, Kingdom, Phylum, Class).

Answer Options

A. Domain Bacteria; Kingdom Monera; Phylum Firmicutes; Class Clostridia
Correct Answer B. Domain Bacteria; Kingdom Monera; Phylum Firmicutes; Class Bacilli
C. Domain Archaea; Kingdom Archaea; Phylum Euryarchaeota; Class Halobacteria
D. Domain Bacteria; Kingdom Monera; Phylum Actinobacteria; Class Bacilli
Correct Answer
B
Correct Option:
Domain Bacteria; Kingdom Monera; Phylum Firmicutes; Class Bacilli

About This Question

This is Igcse Model Questions Vol1 2017 Biology Question 20. It is one of the objective questions from the 2017 Igcse Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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