CIE iGCSE Co-Ordinated Science B17.1 Variation Exam Style Questions Paper 1
Question
The size of tomatoes is an inherited characteristic with a range of phenotypes between two extremes.
What best describes this?
(A) continuous variation
(B) discontinuous variation
(C) natural selection
(D) selective breeding
▶️Answer/Explanation
Ans: A
Question
Fingerprints are classified by their shape.
A class of students identified the type of fingerprint they have on the thumb of their left hand.
The chart shows the results.
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Which statement about the data in the chart is correct?
A Fingerprints are an example of continuous variation because the data shows a range of
phenotypes.
B Fingerprints are an example of continuous variation because the data shows no intermediates.
C Fingerprints are an example of discontinuous variation because the data shows a range of phenotypes.
D Fingerprints are an example of discontinuous variation because the data shows no intermediates.
▶️Answer/Explanation
Ans : D
Question
Which term describes differences between individuals of the same species?
(A) competition
(B) generation
(C) selection
(D) variation
▶️Answer/Explanation
Ans: D
Question
Continuous variation is defined as a ……1…… of phenotypes ……2…… .
Which words correctly complete gaps 1 and 2?
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▶️Answer/Explanation
Ans : C
