Practical biology: microscopy, magnification and investigations

Question 1 of 10

Which of these shows a control in an experiment?

A. the experiment itself B. a set-up without the variable being tested C. a result D. the conclusion

Question 2 of 10

The thermometer is used for measuring

A. temperature B. mass C. volume D. pH

Question 3 of 10

A stain makes structures easier to see.

A. True B. False

Question 4 of 10

A hand lens is used to

A. observe small objects slightly magnified B. view cells C. measure mass D. heat things

Question 5 of 10

A bar chart is best for

A. continuous data B. discontinuous data C. time series only D. proportions

Question 6 of 10

Magnification equals image size divided by ___ size.

Question 7 of 10

A control experiment has all conditions changed.

A. True B. False

Question 8 of 10

A cell measures 5 mm in a drawing and its actual length is 0.05 mm. Calculate the magnification and explain what it means.

Question 9 of 10

The dependent variable is the one that is

A. changed B. kept constant C. ignored D. measured

Question 10 of 10

The diaphragm controls

A. light amount B. focus C. magnification D. stage movement

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New set of questions

Questions written by OtisamLMS 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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