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Senior High School · WASSCE style

Integrated Science

Question 1

1Precision of measurements is improved by

Hard

A. fewer trials B. using instruments with smaller scale divisions C. guessing D. rounding early

Question 2

2A testable explanation that a scientist proposes before doing an experiment is

Easy

A. a law B. a conclusion C. an observation D. a hypothesis

Question 3

3Which of these is a quantitative observation?

Easy

A. the water boiled at 100 °C B. the leaf feels rough C. the solution turned blue D. the gas smells sharp

Question 4

4In an experiment on how fertiliser affects maize growth, the amount of fertiliser is the

Easy

A. control B. constant C. dependent variable D. independent variable

Question 5

5A testable explanation proposed before an experiment is a

Easy

A. conclusion B. law C. hypothesis D. observation

Question 6

6In an experiment testing the effect of fertiliser on plant height, the controlled variables include

Hard

A. water, light and plant type B. plant height C. fertiliser amount D. the result

Question 7

7In a fair test, the set-up that is left without the factor being tested is the

Easy

A. control B. theory C. variable D. hypothesis

Question 8

8A result that differs greatly from others in repeated trials is

Hard

A. an anomalous result B. a control C. a hypothesis D. the mean

Question 9

9Why do scientists repeat an experiment several times?

Easy

A. to make the results more reliable B. to change the hypothesis each time C. to use up the materials D. to avoid recording data

Question 10

10The group in an experiment that is not given the treatment is the

Easy

A. control group B. dependent group C. sample group D. test group

Answered0 / 10

1 2 3 4 5 6 7 8 9 10

Unanswered questions count as wrong. Theory questions are not scored.

Demo questions written by Otisam in the style of the WASSCE. They are not WAEC past questions.

Past questions, worked solutions and curriculum-mapped study material for JHS and SHS students and teachers in Ghana.

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