FBISE · Class 9

Class 9 Biology MCQs: Biodiversity

Practice chapter-wise MCQs with answers and explanations. Use the quiz mode for timed online tests.

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Quick revision

Class 9 Biology MCQs Biodiversity are one of the fastest ways to improve your board exam performance — especially when you practice with purpose, revise weak concepts, and learn from explanations.

On Prepzy, you can practice 98 MCQs from “Biodiversity” in Biology for FBISE. Each question is designed to mirror the style, wording, and concept-testing approach used in Pakistani board papers.

Use this chapter page to revise definitions, formulas, and key ideas, then attempt the MCQs in small sets. Track patterns in your mistakes: is it a concept gap, a calculation error, or a misread statement? Fixing the pattern is what raises your score.

If you’re preparing for matric / SSC Part exams, focus on understanding the concept first, then speed. MCQs reward clarity — not memorization. A clear concept turns into fast correct answers.

What to focus on

  • Primary focus: Biodiversity concepts tested in Class 9 Biology
  • Practice with instant answer-checking to reduce repeated mistakes
  • Revise common definitions, units, and standard results before timed practice
  • Aim for accuracy first, then build speed with short quizzes

Study tips

  • Read the question stem first, then scan options for distractors (near-correct choices).
  • If the chapter is formula-heavy, write a mini-formula sheet and revise it before every attempt.
  • After each practice set, re-attempt only the wrong MCQs to convert weak areas into strengths.
  • Mix easy + medium MCQs for momentum, then finish with hard questions for exam readiness.

MCQs (sample)

Showing 25 questions from this chapter. For a full timed test, use “Start online test”.

  1. 1. What is the highest taxonomic rank?

    • Domain
    • Kingdom
    • Phylum
    • Class
    Answer & explanation

    Correct: Domain

    The domain is the highest taxonomic rank above the kingdoms.

  2. 2. Who introduced the system of binomial nomenclature?

    • Carolus Linnaeus
    • Charles Darwin
    • Gregor Mendel
    • Louis Pasteur
    Answer & explanation

    Correct: Carolus Linnaeus

    Carolus Linnaeus introduced the naming system known as binomial nomenclature.

  3. 3. What do viruses have that is considered a living characteristic?

    • Genetic material in the form of RNA or DNA
    • Cellular structure
    • Enzyme system
    • Respiration
    Answer & explanation

    Correct: Genetic material in the form of RNA or DNA

    Viruses have their own genetic material in the form of RNA or DNA, which is one of the living characteristics.

  4. 4. What does the term 'biodiversity' represent?

    • Variety of living organisms on earth
    • Study of non-living things
    • Diversity of climates
    • Uniformity among species
    Answer & explanation

    Correct: Variety of living organisms on earth

    Biodiversity is defined as 'the variety of living organisms on earth'.

  5. 5. What defines a species?

    • A group of similar organisms capable of interbreeding
    • A group of identical organisms
    • A single organism
    • Any organisms that live in the same area
    Answer & explanation

    Correct: A group of similar organisms capable of interbreeding

    A species is defined as a group of similar organisms capable of interbreeding or exchanging genes and producing fertile offspring.

  6. 6. What is the highest taxonomic rank of classification for all living organisms?

    • Domain
    • Kingdom
    • Phylum
    • Species
    Answer & explanation

    Correct: Domain

    In biology, a domain is the highest taxonomic rank of classification for all living organisms.

  7. 7. What is the general term for the grouping of organisms?

    • Classification
    • Taxonomy
    • Systematics
    • Organism grouping
    Answer & explanation

    Correct: Classification

    Classification is the term used for grouping organisms based on similarities and differences.

  8. 8. Who was the first person to classify living organisms?

    • Aristotle
    • Carolus Linnaeus
    • John Ray
    • E-Chatton
    Answer & explanation

    Correct: Aristotle

    Aristotle was the first person who classified living organisms.

  9. 9. Which taxonomic rank is directly above the kingdom?

    • Domain
    • Phylum
    • Class
    • Order
    Answer & explanation

    Correct: Domain

    Domain is the taxonomic rank directly above the kingdoms.

  10. 10. What does the first name in binomial nomenclature represent?

    • Species
    • Genus
    • Family
    • Order
    Answer & explanation

    Correct: Genus

    The first name in binomial nomenclature is the genus name.

  11. 11. Which characteristic shows that viruses exhibit non-living traits?

    • They reproduce using host material
    • They can be crystallized and stored
    • They have genetic material
    • They cause diseases
    Answer & explanation

    Correct: They can be crystallized and stored

    Viruses can be crystallized and stored, which is indicative of non-living characteristics.

  12. 12. Which of the following is NOT a characteristic of life shared by living organisms?

    • Growth
    • Sensitivity
    • Invisibility
    • Nutrition
    Answer & explanation

    Correct: Invisibility

    Invisibility is not a characteristic of life shared by living organisms.

  13. 13. Which of the following is an example of a species?

    • Homo sapiens
    • Mule
    • Hybrid plants
    • Infertile animals
    Answer & explanation

    Correct: Homo sapiens

    Homo sapiens is a clear example of a species, as it is a group of similar organisms that can interbreed and produce fertile offspring.

  14. 14. How many domains are there in the three domains system proposed by Carl Woese?

    • Three
    • Two
    • Four
    • Five
    Answer & explanation

    Correct: Three

    The three domains of life are Archaea, Bacteria, and Eukarya, as introduced by Carl Woese.

  15. 15. Which branch of biology deals with the naming and classification of organisms?

    • Systematics
    • Classification
    • Taxonomy
    • Diversity study
    Answer & explanation

    Correct: Taxonomy

    Taxonomy is the branch of biology that focuses on identification, naming, and classification of organisms.

  16. 16. What major contribution did Andrea Caesalpino make to the classification of plants?

    • Divided plants into fifteen groups
    • Proposed the five-kingdom system
    • Described 350 species of animals
    • Introduced taxa of class and species
    Answer & explanation

    Correct: Divided plants into fifteen groups

    Andrea Caesalpino divided plants into fifteen groups and called them genera.

  17. 17. What is a phylum also known as for plants and fungi?

    • Class
    • Division
    • Order
    • Family
    Answer & explanation

    Correct: Division

    For plants and fungi, a phylum is also referred to as a division.

  18. 18. In the name 'Homo sapiens', what does 'Homo' refer to?

    • Species
    • Genus
    • Classification
    • Common name
    Answer & explanation

    Correct: Genus

    'Homo' refers to the genus in the biological name 'Homo sapiens'.

  19. 19. What is a defining factor that places viruses at the border of living and non-living?

    • They lack cellular structure
    • They reproduce
    • They can cause diseases
    • They have a genome
    Answer & explanation

    Correct: They lack cellular structure

    Viruses lack cellular structure, making them part non-living and part living.

  20. 20. What are two main parts of the term 'biodiversity'?

    • Bio and uniformity
    • Life and death
    • Bio and diversity
    • Living and non-living
    Answer & explanation

    Correct: Bio and diversity

    The term biodiversity comes from 'bio' and 'diversity'.

  21. 21. Why is a mule not considered a species?

    • It is a hybrid of two species
    • It cannot reproduce
    • It does not have a defined taxonomic rank
    • All of the above
    Answer & explanation

    Correct: All of the above

    A mule is not considered a species because it is a hybrid and cannot reproduce due to having an odd number of chromosomes, affecting its ability to produce fertile offspring.

  22. 22. Which domain is characterized by prokaryotic cells with cell walls containing no peptidoglycan?

    • Archaea
    • Bacteria
    • Eukarya
    • Fungi
    Answer & explanation

    Correct: Archaea

    The domain Archaea is characterized by prokaryotic cells and cell walls that do not contain peptidoglycan.

  23. 23. What is the scientific study of diversity of organisms and their evolutionary relationships called?

    • Classification
    • Systematics
    • Taxonomy
    • Organism grouping
    Answer & explanation

    Correct: Systematics

    Systematics is the study of diversity among organisms and their evolutionary relationships.

  24. 24. Which scientist proposed the two-kingdom classification system?

    • Ernst Haeckel
    • Carolus Linnaeus
    • John Ray
    • Robert Whittaker
    Answer & explanation

    Correct: Carolus Linnaeus

    The two-kingdom classification system was proposed by Carolus Linnaeus.

  25. 25. A class is a group of related what?

    • Species
    • Orders
    • Families
    • Genera
    Answer & explanation

    Correct: Orders

    A class is defined as a group of related orders.

FAQs

Are these Class 9 Biology MCQs Biodiversity aligned with FBISE?

Yes. The MCQs are organized chapter-wise for FBISE and designed to match board exam patterns. If your teacher has added custom MCQs, they will also appear here.

How many MCQs should I practice from “Biodiversity” each day?

A good daily target is 20–40 MCQs with full review of mistakes. If you’re short on time, do 15 MCQs but read explanations carefully.

What’s the best way to revise this chapter before an exam?

Revise the chapter summary, list your weak sub-topics, then practice MCQs in timed sets. Re-attempt wrong questions after a short break to lock in learning.

Can I take an online test for this chapter?

Yes. Start a chapter quiz to simulate an online test. Use it to improve speed and accuracy under time pressure.

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