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Question 1 of 12
1. Question
What are enzymes made of?
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Question 2 of 12
2. Question
What do the letters DNA stand for?
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Question 3 of 12
3. Question
The diagram shows a section of the human brain.

Which part controls breathing rate and regulates blood pressure?
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Question 4 of 12
4. Question
What name is given to the part labelled D on the diagram
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Question 5 of 12
5. Question
An animal cell put in a hypotonic fluid will undergoes ……………
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Question 6 of 12
6. Question
The diagram below shows types of teeth in a human being

Which of the above types of teeth are used for grinding?
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Question 7 of 12
7. Question
Name a substance that is conducted across sieve plates of a phloem cell
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Question 8 of 12
8. Question
Which of the following is not an excretory waste in plants?
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Question 9 of 12
9. Question
Which of the following excretory wastes in plant are lost through some seeds?
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Question 10 of 12
10. Question
Which of the following muscles is a flexor?
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Question 11 of 12
11. Question
The administering of ready-made antibodies to patients is an example of ………. immunity.
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Question 12 of 12
12. Question
The figure below shows the urinary system and its blood supply

Label strucures F, G and H.
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F =
G =
H =
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