Saniya

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Part I

1 Four different living organisms are shown below.

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Ameba Rabbit Human Tree

(Not drawn to scale)

Which statement is true for all of the organisms shown? (1) They carry out photosynthesis. (2) They are multicellular. (3) They contain at least one cell. (4) They are consumers.

2 Running to escape danger is an action that requires the nervous system to coordinate the interaction of which two body systems? (1) digestive and endocrine (2) muscular and skeletal (3) reproductive and excretory (4) circulatory and digestive

3 The diagrams below show two organisms.

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(Not drawn to scale) 4 Which system produces most of the hormones in the human body? (1) circulatory (3) endocrine (2) digestive (4) respiratory

5 Each body cell of a goldfish contains 94 chromo- somes. How many chromosomes are contained in a goldfish sex cell? (1) 23 (3) 94 (2) 47 (4) 188

6 The diagram below shows a green plant.

A

What is the main function of the plant structure labeled A? (1) reproduction (2) release of