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Classification of Living Organisms — Science Questions & Practice

Practise 11 Classification of Living Organisms questions from Science for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Classification of Living Organisms — with answers

Try each question first, then open the answer. Explanations are included.

1. What is the study of animals called?

ABiology
BZoology
CEcology
DBotany

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Answer: B

The correct answer is 'Zoology'.

2. What is the smallest unit of life called?

AOrganelle
BTissue
CCell
DOrgan

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Answer: C

The correct answer is 'Cell'.

3. What is the basic unit of classification in biology?

AFamily
BKingdom
CSpecies
DGenus

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Answer: C

The correct answer is 'Species'.

4. Who is known as the 'Father of Taxonomy' for developing the system of binomial nomenclature?

AAristotle
BGregor Mendel
CCharles Darwin
DCarl Linnaeus

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Answer: D

The correct answer is 'Carl Linnaeus'.

5. What is 'Binomial Nomenclature'?

AA system of naming organisms using two names: genus and species
BA system of naming only animals
CA system of classifying only plants
DA system of classifying organisms into two kingdoms only

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Answer: A

The correct answer is 'A system of naming organisms using two names: genus and species'.

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