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Biology: Cellular Respiration and C. Chromatin B.

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Biology: Cellular Respiration and C. Chromatin B.
Name: ________________________ Class: ___________________ Date: __________

ID: A

GENERAL BIOLOGY PRACTICE MIDTERM TEST 2010-2011
Multiple Choice: Identify the choice that completes the statement or answers the question. ____ 1. The work of scientists usually begins with a. testing a hypothesis. b. careful observations.

c. d.

creating experiments. drawing conclusions.

____

2. What is the term for all parts of Earth inhabited by living things? a. population b. ecosystem c. biosphere d. environment 3. Which of the following are likely topics in a biology course? a. Why does the Texas horned lizard squirt blood out of its eyes? b. How is a banded pipefish able to hide in its environment of seaweeds? c. What chemicals cause plant stems to lengthen or flowers to bloom? d. All of these. 4. Living things do all of the following except a. make adjustments to nonliving factors around them. b. maintain a steady internal environment. c. respond to other organisms. d. pass an identical genetic code to their offspring for many generations. 5. Students in a biology class ran an experiment on a type of flowering plant. Their goal was to find the optimal time in the plant's life for flowering. What time period will provide the most flowering plants? Use Table 1-1 to determine your answer.

____

____

____

Table 1-1 Day 2 4 6 8 10 a. b. 4 days 6 days Number of Plants Flowering 6 12 18 22 8 c. d. 8 days 10 days

1

Name: ________________________ ____ 6. The three particles that make up atoms are a. protons, neutrons, and isotopes. b. neutrons, isotopes, and electrons.

ID: A

c. d.

positives, negatives, and electrons. protons, neutrons, and electrons. compound crystal

____

7. Which term does NOT apply to sodium chloride? a. molecule c. b. ionic bonding d.

____

8. In a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, the oxygen atom is a. slightly negative. c. slightly

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