Chapter 2 Sample Questions and Answers

Chapter 2 Sample Questions and Answers - Chapter 2 Sample...

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Chapter 2 Sample Questions and Answers MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following best explains the distinction between biology and chemistry? A) Chemical systems have emergent properties; biological systems do not. B) Biology has a hierarchy of structural levels, whereas chemistry does not. C) Biologists study living things, whereas chemists study nonliving things. D) Chemists study molecules, whereas biologists do not. E) There is no clear distinction because the two sciences are parts of the same whole. 2) Which four elements make up approximately 96% of living matter? A) carbon, oxygen, sulfur, calcium B) carbon, sulfur, phosphorus, hydrogen C) oxygen, hydrogen, calcium, sodium D) carbon, sodium, chlorine, magnesium E) carbon, hydrogen, nitrogen, oxygen 3) Which of the following is a trace element that is essential to humans? A) oxygen B) nitrogen C) carbon D) iodine E) calcium
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This note was uploaded on 04/04/2012 for the course BI, HEALTH 251 taught by Professor N/a during the Spring '12 term at MD University College.

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Chapter 2 Sample Questions and Answers - Chapter 2 Sample...

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