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Introduction to biology

Class 9 · Biology · 20 questions

Name: ____________________   Date: ____________

  1. The study of living things is called:

    • A Biology
    • B Chemistry
    • C Astronomy
    • D Geology
  2. The study of the structure of living things is called:

    • A Ecology
    • B Genetics
    • C Anatomy
    • D Physiology
  3. The study of plants is called:

    • A Entomology
    • B Botany
    • C Zoology
    • D Microbiology
  4. The study of the relationship between organisms and their environment is:

    • A Embryology
    • B Ecology
    • C Anatomy
    • D Taxonomy
  5. The correct order of levels of organisation from small to large is:

    • A Cell, tissue, organ, organ system
    • B Organ system, organ, tissue, cell
    • C Organ, tissue, cell, organ system
    • D Tissue, cell, organ system, organ
  6. The study of fossils is called:

    • A Pathology
    • B Physiology
    • C Pharmacology
    • D Palaeontology
  7. A group of tissues working together forms an:

    • A Molecule
    • B Organ
    • C Organelle
    • D Cell
  8. The study of heredity is called:

    • A Botany
    • B Ecology
    • C Genetics
    • D Embryology
  9. The branch of biology that deals with animals is:

    • A Botany
    • B Virology
    • C Zoology
    • D Mycology
  10. Which of these is a characteristic of all living things?

    • A Having wings
    • B Making sound
    • C Growth
    • D Being green
  11. The study of the internal structure of organisms is called:

    • A Ecology
    • B Anatomy
    • C Taxonomy
    • D Morphology
  12. Which branch of biology deals with classification of organisms?

    • A Genetics
    • B Taxonomy
    • C Physiology
    • D Embryology
  13. The study of heredity and variation is:

    • A Cytology
    • B Genetics
    • C Ecology
    • D Microbiology
  14. A group of similar cells that do one job is a:

    • A Organ system
    • B Tissue
    • C Population
    • D Organ
  15. A group of organisms of the same species living in one place is a:

    • A Ecosystem
    • B Biosphere
    • C Community
    • D Population
  16. The part of the earth where life exists is the:

    • A Community
    • B Biosphere
    • C Habitat only
    • D Ecosystem
  17. Biochemistry joins biology with:

    • A Chemistry
    • B Geography
    • C Physics
    • D Mathematics
  18. Which level of organisation comes just before the organism?

    • A Population
    • B Organ system
    • C Community
    • D Tissue
  19. The study of microscopic organisms such as bacteria is:

    • A Anatomy
    • B Embryology
    • C Microbiology
    • D Ecology
  20. Making insulin using bacteria is an example of:

    • A Morphology
    • B Embryology
    • C Biotechnology
    • D Taxonomy

Answer key

1. A, 2. C, 3. B, 4. B, 5. A, 6. D, 7. B, 8. C, 9. C, 10. C, 11. B, 12. B, 13. B, 14. B, 15. D, 16. B, 17. A, 18. B, 19. C, 20. C

  1. Biology is the science of life.

  2. Anatomy deals with structure. Physiology deals with how structures work.

  3. Botany is the branch of biology that studies plants.

  4. Ecology studies how organisms interact with each other and their surroundings.

  5. Cells form tissues, tissues form organs, and organs form organ systems.

  6. Palaeontology is the study of fossils.

  7. Tissues combine to form an organ.

  8. Genetics studies how traits are inherited.

  9. Zoology is the study of animals.

  10. All living things grow and develop.

  11. Anatomy deals with internal structure.

  12. Taxonomy names and classifies organisms.

  13. Genetics studies how traits pass from parents to offspring.

  14. A tissue is a group of similar cells with one function.

  15. This is the definition of a population.

  16. The biosphere includes all places where life is found.

  17. It studies the chemical reactions in living things.

  18. Organ systems work together to make an organism.

  19. Microbiology deals with microorganisms.

  20. Biotechnology uses living organisms to make useful products.