Start learning →

B.Sc Microbiology Biological Classification — practice questions

Explore 9 free Biological Classification questions in B.Sc Microbiology Biology. Open each question or exercise to read its content, reference answers and available explanation.

Practise Biological Classification with Quill →

Biological Classification questions and exercises with answers

Showing questions 1–9 of 9.

The five-kingdom classification was proposed by:Read the answer and worked solution →Bacteria belong to which kingdom under Whittaker's classification?Read the answer and worked solution →In the five-kingdom system, organisms with cell wall composed of CHITIN belong to which kingdom?Read the answer and worked solution →Identify the bacterium responsible for the production of methane in the gut of ruminants like cows and buffaloes.Read the answer and worked solution →Diatoms are placed under Kingdom Protista group:Read the answer and worked solution →Red tides in the sea are caused by rapid multiplication of:Read the answer and worked solution →Mycoplasma are distinguished by:Read the answer and worked solution →Tap only the members of each groupRead the answer and worked solution →Catch the false line about microbesRead the answer and worked solution →

Worked practice questions

The five-kingdom classification was proposed by:

  1. Charles Darwin
  2. Aristotle
  3. R. H. Whittaker (1969)
  4. Carolus Linnaeus
Show answer and solution

Correct answer: C. R. H. Whittaker (1969)

R. H. Whittaker proposed the five-kingdom system in 1969: Monera, Protista, Fungi, Plantae, Animalia. Linnaeus had a two-kingdom system Aristotle classified plants/animals on simple morphology Darwin proposed natural selection.

Open this question →

Bacteria belong to which kingdom under Whittaker's classification?

  1. Monera
  2. Fungi
  3. Protista
  4. Plantae
Show answer and solution

Correct answer: A. Monera

All bacteria are placed in Kingdom Monera (the only PROKARYOTIC kingdom). Protista, Fungi, Plantae and Animalia are eukaryotic kingdoms.

Open this question →

In the five-kingdom system, organisms with cell wall composed of CHITIN belong to which kingdom?

  1. Fungi
  2. Monera
  3. Protista
  4. Plantae
Show answer and solution

Correct answer: A. Fungi

Fungi have cell walls made of chitin (a polysaccharide also found in arthropod exoskeletons). Plantae have cellulose walls Monera have non-cellulosic walls (polysaccharide + amino acid) Protista may have walls in some members but not chitin.

Open this question →

How to practise

  1. Choose a Biological Classification question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Biology topics

Diversity of LifeThe Living WorldCell StructureLiving WorldCell BiologyCell: The Unit of LifePlant KingdomAnimal Kingdom