Size of specimens — Paper 1 · IGCSE Sciences - Co-ordinated (Double) 0654

3 The diagram shows a plant cell and an animal cell. The two cells are not drawn to the same scale. magnification magnification ×1000 ×2000 The actual height of the animal cell is 0.02 mm. What is the height of the plant cell? A 0.01 mm B 0.02 mm C 0.04 mm D 40 mm

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2015

2 The diagram shows a section through a cell from a leaf, magnified ×4000. The diameter of the nucleus in the diagram is 10 mm. What is the true diameter of the nucleus? A 0.0025 mm B 0.0050 mm C 0.0100 mm D 0.0250 mm

1 marks

Answer: A

This question in 0654/13 May/June 2016

2 The length of an insect in a photograph is measured as 17 mm. The actual length of the insect is 12 mm. What is the magnification of the insect in the photograph? A 1.2 B 1.3 C 1.4 D 1.5

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2020

2 The photograph shows a bumble bee at a magnification of 6. The line shows the length of the bumble bee. What is the actual length of the bumble bee? A 0.05 mm B 20 mm C 126 mm D 720 mm

1 marks

Answer: B

This question in 0654/11 May/June 2021

2 What is the formula for magnification? actual size A image size actual size B image size  100 image size C actual size image size D mm actual size

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2022

2 The diagram shows a cell with a magnification of ×1000. The width of the image is 45 mm. width What is the actual width of the cell? A 45 mm B 4.5 mm C 0.45 mm D 0.045 mm

1 marks

Answer: D

This question in 0654/11 May/June 2023

2 A student draws a diagram of a chicken’s egg and includes the magnification, m, of the drawing. The student writes m = 2. The image length on the diagram is 140 mm. What is the length of the actual chicken’s egg? A 35 mm B 70 mm C 140 mm D 280 mm

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2023

2 The diagram shows a beetle. The length of the diagram is 75 mm. The actual length of the beetle is 5 mm. What is the magnification? A 5 B 15 C 80 D 375

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2023

2 The diagram shows a palisade cell from a leaf magnified 250. X The chloroplast labelled X measures 5 mm on the diagram. What is its actual length? A 0.25 mm B 0.05 mm C 0.02 mm D 0.01 mm

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2023

2 The photograph shows a caterpillar. The length of line PQ is 90 mm. The actual length of the caterpillar is 30 mm. P Q What is the magnification of the photograph? A 0.33 B 3.0 C 27 D 2700

1 marks

Answer: B

This question in 0654/11 May/June 2025