Biology Revision – Introduction to Biology

Introduction to Biology

Multiple Choice Questions

1. Given below are some characteristic features associated with life. Which of these features cannot be observed within one individual organism?
2. All the organisms on your school make up
a community.
an ecosystem.
an experimental group.
a taxonomic domain.
a population.

3. Which of the following is a correct sequence of levels in life’s hierarchy, proceeding downward from an individual animal?
nervous system, brain, nervous tissue, nerve cell
brain, organ system, nerve cell, nervous tissue
organ system, nervous tissue, brain
organism, organ system, tissue, cell, organ
organ system, tissue, molecule, cell

4. Protists and bacteria are grouped into different domains because
protists have a membrane-bounded nucleus, which bacterial cells lack.
protists eat bacteria.
bacteria are not made of cells.
bacteria decompose protists.
protists are photosynthetic.

5. Which of the following best demonstrates the unity among all organisms?

(1) matching DNA nucleotide sequences

(2) descent with modification

(3) the structure and function of DNA

(4) natural selection

(5) emergent properties

6. A controlled experiment is one that

(1) proceeds slowly enough that a scientist can make careful records of the results.

(2) tests experimental and control groups in parallel.

(3) is repeated many times to make sure the results are accurate.

(4) keeps all variables constant.

(5) is supervised by an experienced scientist.

7. Which of the following statements best distinguishes hypotheses from theories in science?

(1) Theories are hypotheses that have been proved.

(2) Hypotheses are guesses; theories are correct answers.

(3) Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.

(4) Hypotheses and theories are essentially the same thing.

(5) Theories are proved true; hypotheses are often falsified.

8. Which of the following is an example of qualitative data?

(1) The temperature decreased from 20°C to 15°C.

(2) The plant’s height is 25 centimeters (cm).

(3) The fish swam in a zigzag motion.

(4) The six pairs of robins hatched an average of three chicks.

(5) The contents of the stomach are mixed every 20 seconds.

Structures Essay Questions

1. Following diagram shows a simple illustration of the scientific method. What are the word hidden beneath the green boxes.


10. Name the characteristic features of living organisms.


  1. (3)
  2. (2)
  3. (3)
  4. (3)
  5. observation, hypothesis, prediction, experiment
  6. Order and organisation, Metabolism, Growth and development, Irritability and coordination, Adaptation, Reproduction, Heredity and evolution

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