Cambridge IGCSE

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Cambridge IGCSETM

BIOLOGY0610/03

Paper 3 Theory (Core)

For examination from 2023

SPECIMEN PAPER

1 hour 15 minutes

You must answer on the question paper.

No additional materials are needed.

INSTRUCTIONS Answer all questions. Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs. Write your name, centre number and candidate number in the boxes at the top of the page. Write your answer to each question in the space provided. Do not use an erasable pen or correction fluid. Do not write on any bar codes. You may use a calculator. You should show all your working and use appropriate units.

INFORMATION The total mark for this paper is 80. The number of marks for each question or part question is shown in brackets [ ].

? UCLES 2020

This document has 22 pages. Any blank pages are indicated.

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2 1 Fig. 1.1 is a photograph of a lion.

Fig. 1.1 (a) Lions are mammals and have the scientific name Panthera leo. (i) State one feature visible in Fig. 1.1 that identifies the lion as a mammal.

....................................................................................................................................... [1] (ii) State the genus of this mammal.

....................................................................................................................................... [1]

(b) Mammals are one of the five groups of vertebrates. Some features of three vertebrate groups are listed. Identify the vertebrate groups.

lay soft-shelled eggs .................................................................................................................. feathers ...................................................................................................................................... smooth, moist skin ..................................................................................................................... [3]

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3 (c) Fig. 1.2 is a diagram of an animal cell.

A B C

Fig. 1.2

(i) Identify the parts labelled A, B and C in Fig. 1.2.

A .........................................................................................................................................

B .........................................................................................................................................

C ......................................................................................................................................... [3]

(ii) State the names of two structures in plant cells that are absent in animal cells.

1 .........................................................................................................................................

2 .........................................................................................................................................

[2]

(iii) State the name of one structure that is present in bacterial cells and in plant cells but absent in animal cells.

....................................................................................................................................... [1]

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4

(d) Some cells are specialised to perform a particular function.

The boxes on the left show the names of some specialised cells.

The functions of some specialised cells are in the boxes on the right.

Draw four lines to link each specialised cell with its function.

One line has been drawn for you. Draw four additional lines.

specialised cells

functions

ciliated cell neurone palisade mesophyll cell red blood cell root hair cell

absorption of water conduction and support conduction of impulses movement of mucus photosynthesis transport of oxygen

[4]

[Total: 15]

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5 BLANK PAGE

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