Class 9 Biology Chapter 1 – Introduction to Biology MCQs (FBISE)

Description: Practice Class 9 Biology Chapter 1 Introduction to Biology MCQs according to the latest FBISE syllabus. These exam-focused multiple choice questions cover branches of biology, levels of organization, scientific method, and biological study.

1. Biology is the scientific study of:

A) Earth and rocks
B) Living organisms
C) Stars and planets
D) Chemicals only

2. The word “Biology” is derived from Greek words meaning:

A) Study of life
B) Study of animals
C) Study of plants
D) Study of cells

3. The branch of biology dealing with plants is called:

A) Zoology
B) Microbiology
C) Genetics
D) Botany

4. The study of animals is known as:

A) Ecology
B) Anatomy
C) Zoology
D) Physiology

5. The basic structural and functional unit of life is the:

A) Tissue
B) Cell
C) Organ
D) Organ system

6. Which branch of biology studies microorganisms?

A) Microbiology
B) Embryology
C) Taxonomy
D) Paleontology

7. The study of heredity and variation is called:

A) Histology
B) Ecology
C) Genetics
D) Morphology

8. Which branch deals with interactions between organisms and their environment?

A) Cytology
B) Taxonomy
C) Biochemistry
D) Ecology

9. A group of similar cells performing the same function forms a:

A) Organ
B) Tissue
C) Organism
D) Population

10. A group of tissues working together forms an:

A) Organ
B) Cell
C) Ecosystem
D) Community

11. The highest level of biological organization among these is:

A) Tissue
B) Organ system
C) Biosphere
D) Cell

12. The first step of the scientific method is usually:

A) Experimentation
B) Drawing conclusions
C) Data analysis
D) Observation

13. A tentative explanation for an observation is called a:

A) Theory
B) Hypothesis
C) Law
D) Fact

14. The branch of biology dealing with classification of organisms is:

A) Taxonomy
B) Anatomy
C) Physiology
D) Pathology

15. Which scientist is known as the father of taxonomy?

A) Aristotle
B) Charles Darwin
C) Carolus Linnaeus
D) Gregor Mendel

16. The study of internal body structures is called:

A) Ecology
B) Cytology
C) Histology
D) Anatomy

17. The study of functions performed by living organisms is known as:

A) Morphology
B) Physiology
C) Paleontology
D) Embryology

18. The study of tissues is called:

A) Histology
B) Cytology
C) Ecology
D) Embryology

19. The branch of biology concerned with cells is:

A) Taxonomy
B) Morphology
C) Cytology
D) Physiology

20. A group of organs working together forms a:

A) Tissue
B) Cell
C) Population
D) Organ system

21. Which level of organization comes immediately after tissue?

A) Cell
B) Organ
C) Organism
D) Community

22. The scientific method helps scientists to:

A) Solve biological problems systematically
B) Memorize facts only
C) Avoid experiments
D) Ignore observations

23. After formulating a hypothesis, the next step is usually:

A) Publishing results
B) Drawing conclusions
C) Making a theory
D) Experimentation

24. Which branch of biology studies fossils?

A) Embryology
B) Paleontology
C) Genetics
D) Ecology

25. The study of embryo development is known as:

A) Taxonomy
B) Histology
C) Embryology
D) Anatomy

26. A community together with its physical environment forms an:

A) Ecosystem
B) Organism
C) Population
D) Tissue

27. A group of individuals of the same species living in one area is called a:

A) Community
B) Population
C) Biosphere
D) Habitat

28. Which scientist proposed the binomial nomenclature system?

A) Charles Darwin
B) Louis Pasteur
C) Robert Hooke
D) Carolus Linnaeus

29. In the name Homo sapiens, Homo represents the:

A) Species
B) Family
C) Genus
D) Kingdom

30. Which branch of biology deals with body functions?

A) Physiology
B) Anatomy
C) Taxonomy
D) Paleontology

31. The largest biological unit on Earth is the:

A) Ecosystem
B) Biosphere
C) Community
D) Organism

32. Which branch studies the external form and structure of organisms?

A) Cytology
B) Histology
C) Physiology
D) Morphology

33. Biology plays an important role in:

A) Medicine, agriculture, and environmental conservation
B) Astronomy only
C) Civil engineering only
D) Geology only

34. Which of the following is NOT a branch of biology?

A) Botany
B) Zoology
C) Astronomy
D) Genetics

35. The branch of biology that studies fungi is called:

A) Virology
B) Mycology
C) Bacteriology
D) Parasitology

36. Which branch of biology deals with the study of insects?

A) Entomology
B) Ichthyology
C) Herpetology
D) Ornithology

37. The branch of biology concerned with fish is:

A) Ecology
B) Mycology
C) Cytology
D) Ichthyology

38. Which branch deals specifically with the study of birds?

A) Zoology
B) Embryology
C) Ornithology
D) Anatomy

39. A scientific theory is:

A) A random guess
B) A well-tested explanation supported by evidence
C) An unverified opinion
D) A laboratory instrument

40. Which sequence correctly represents increasing levels of biological organization?

A) Cell → Tissue → Organ → Organ System → Organism
B) Tissue → Cell → Organ → Organism → Organ System
C) Organ → Tissue → Cell → Organism → Population
D) Cell → Organ → Tissue → Community → Ecosystem

41. Which of the following is an organ system in humans?

A) Heart
B) Blood
C) Muscle
D) Digestive system

42. A scientist records observations mainly to:

A) Increase personal opinion
B) Avoid experiments
C) Collect reliable evidence for analysis
D) Memorize textbook definitions

43. Which branch of biology studies viruses?

A) Virology
B) Mycology
C) Entomology
D) Histology

44. Which of the following best defines an organism?

A) A group of tissues
B) An individual living thing capable of carrying out life processes
C) A collection of ecosystems
D) A group of similar cells only

45. Which scientist is famous for the theory of evolution by natural selection?

A) Gregor Mendel
B) Louis Pasteur
C) Charles Darwin
D) Robert Hooke

46. Which level includes all living organisms and their environments on Earth?

A) Community
B) Population
C) Ecosystem
D) Biosphere

47. Which branch of biology focuses on microorganisms such as bacteria and fungi?

A) Microbiology
B) Taxonomy
C) Anatomy
D) Ecology

48. Which of the following is the correct order after an experiment is completed?

A) Form hypothesis
B) Analyze results and draw conclusions
C) Make observations
D) Identify the problem

49. Modern biology contributes significantly to:

A) Health care
B) Agriculture
C) Both health care and agriculture
D) Astronomy only

50. The main objective of Chapter 1 “Introduction to Biology” is to help students understand:

A) Human anatomy only
B) Cell division only
C) Photosynthesis only
D) The scope of biology, its branches, levels of organization, scientific method, and the importance of biological studies in everyday life

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