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1.
What is the chemical symbol for the element gold?
2.
Which of the following is an example of a renewable energy source?
3.
What is the process by which plants convert light energy into chemical energy?
4.
Which force keeps planets in orbit around the sun?
5.
What is the smallest unit of matter that retains the properties of an element?
6.
Which process involves the conversion of a solid directly into a gas without passing through the liquid state?
7.
Which of the following is a greenhouse gas?
8.
What is the main function of the nervous system?
Regulation of body temperature
✓
Control and coordination of body activities
✓
9.
What is the SI unit of electric current?
10.
Which of the following is a large blood vessel that carries blood away from the heart?
11.
Which of the following is not a member of the vitamin B complex?
12.
Which blood vessels have the smallest diameter?
13.
Hay fever is an allergic reaction to the presence of the following in the air:
14.
Which one of the following is the richest source of vitamin C?
15.
Which one of the following systems of the body is primarily attacked by the HIV?