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Exam-style practice

Size of specimens answer explanations

Review worked answers and explanations for Size of specimens. Aligned to Cambridge IGCSE Biology.

Answer explanations

Question 1 of 6

Review the answer support, then move sideways through the set.

Paper 3 structured question: Size of specimens

Paper 3Theory (Core)3 marks

Description

Microscope Observation

The student measures the image length of the insect as 10 mm and knows the actual length is 2 mm.

  1. a

    State the formula for calculating magnification.

    [1]
  2. b

    Identify the magnification of the insect image.

    [2]