19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
You can expect 1-3 multiple choice
questions from section 19.1
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
64. Which improves an organism’s ability to
survive and reproduce in its environment?
(A) adaptation
(B) convergence
(C) divergence
(D) embryology
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
66. Which is an example of natural selection in action?
(A) changing fur color in African marten due to
excessive exposure to sunlight
(B) changing numbers in dark-colored field mice
populations over 200 years
(C) production of genetically modified foods
(D) production of thoroughbred race horses
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
67. What must occur for insects to adapt to an
insecticide application?
(A) competition
(B) low natality
(C) random survival
(D) variation
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
58. Which best defines evolution?
(A) change in the genetic composition of a population
(B) change in the phenotype of an individual through
time
(C) close resemblance between parents and offspring
(D) individuals in two populations looking different
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
66. What best explains the fact that corn cobs today are
approximately twice as long as they
were 150 years ago?
(A) Agricultural fields were small 150 years ago and
nutrients were limited.
(B) Genetic seed production was poor 150 years ago.
(C) Selective and genetic engineering are recent
developments.
(D) There were cooler temperatures and decreased
rainfall 150 years ago.
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
67. Which condition is the best example of industrial
melanism?
(A) The bark of trees changed color due to mutation.
(B) The bark of trees changed color due to natural
selection.
(C) The dark peppered moth population decreased.
(D) The dark peppered moth population increased.
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
58. What is meant by the term evolution?
(A) For every new species evolving, an old one
vanishes.
(B) Gradual changes in a species can occur through
time.
(C) Species normally remain stable for millions of
years.
(D) There will be no new species evolving.
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
65. What is the major mechanism responsible for the
many different breeds of dogs?
(A) artificial selection
(B) genetic drift
(C) genetic mutation
(D) natural selection
19.1 Public Exam Questions
Evolution, Natural selection & Artificial selection
66. Why is the excessive use of antibiotics a concern
for the medical community?
(A) Antibiotics are very expensive to manufacture.
(B) Humans are evolving a resistance to some
antibiotics.
(C) Some bacteria are evolving resistance to
antibiotics.
(D) Viruses are not killed by antibiotics.