Download WS Chapter 1

CP Biology A Summer Homework
Chapter Reviews
Name:
Chapter 1 – The Science of Biology
Download the chapter review documents, answer the questions, and email them back to the biology
teacher on your schedule by the dates on the assignment sheet. If a student enters the class during the
summer, the dates are altered to allow them time to complete the assignments. Any work handed in late
will be subject to a decrease in possible points.
Multiple Choice: Use the highlight tool in Word to chose the best answer.
1. Which of the following statements about the images shown below is NOT an observation?
a. The insect has three legs on the left side.
b. The insect has a pattern on its back.
c. The insect’s pattern shows that it is poisonous.
d. The insect is orange and black.
2. The statement “the worm is 2 cm long” is a(an)
a. quantitative observation
b. qualitative observation
c. inference
d. hypothesis
3. An inference is
a. the same as an observation
b. a logical interpretation of an observation.
c. a statement involving numbers
d. a way to avoid bias.
4. To be useful in science, a hypothesis must be
a. measurable.
c. testable
b. observable
d. correct.
5. The term spontaneous generation means that
a. living things can arise from nonliving matter.
b. living things arise from other living things.
c. a maggot is part of the life cycle of a fly.
d. living things evolve over time.
CP Biology A Summer Homework
Chapter Reviews
6. Which of the following statements about a controlled experiment is true?
a. All the variables must be kept the same.
b. Only one variable is tested at a time.
c. Scientists always use controlled experiments.
d. Controlled experiments cannot be performed on living things.
7. A scientific theory is
a. another word for hypothesis.
b. a well-tested explanation that unifies a broad range of observations.
c. the same as the conclusion of an experiment.
d. the first step in a controlled experiment.
8. The process in which two cells from different parent unite to produce the first cell of a new organism is
called
a. homeostasis.
c. asexual reproduction.
b. development.
d. sexual reproduction.
9. The process by which organisms keep their internal conditions relatively stable is called
a. metabolism.
c. evolution.
b. a genome.
d. homeostasis.
10. An instrument that produces images by focusing light rays is called a(an)
a. light microscope
b. transmission electron microscope
c. scanning electron microscope
d. electronic balance
Understanding Concepts: Using your own words, type in the answer in full sentences.
11. What is the goal of science?
12. How does an observation about an object differ from an inference about that object?
13. How does a hypothesis help scientists understand the natural world?
14. Why is it advantageous for scientists to test only one variable at a time during an experiment?
15. Distinguish between a variable and a control.
16. How are unicellular and multicellular organisms alike? How are they different?
17. Give an example of changes that occur during differentiation in a multicellular organism.
CP Biology A Summer Homework
Chapter Reviews
18. Distinguish between external and internal stimuli. Give an example of each.
Chapter 2 – The Chemistry of Life
Multiple Choice: Use the highlight tool in Word to chose the best answer.
1. The positively charged particle in an atom is the
a. neutron.
c. proton.
b. ion.
d. electron.
2. Two or more different atoms are combined in definite proportions in any
a. symbol.
c. element.
b. isotope.
d. compound.
3. A covalent bond is formed by the
a. transfer of electrons.
b. sharing of electrons.
c. gaining of electrons.
d. losing of electrons.
4. When you shake sugar and sand together in a test tube, you cause them to form a
a. compound.
c. solution.
b. mixture.
d. suspension.
5. A compound that produces hydrogen ions in solution is a(an)
a. salt.
c. base.
b. acid.
d. polymer.
6. In polymerization, complex molecules are formed by the joining together of
a. macromolecules.
c. polymers.
b. carbohydrates.
d. monomers.
7. Proteins are polymers formed from
a. lipids.
c. amino acids.
b. carbohydrates.
d. nucleic acids.
8. An enzyme speeds up a reaction by
a. lowering the activation energy.
b. raising the activation energy.
d. releasing energy.
d. absorbing energy.
9. In a chemical reaction, a reactant binds to an enzyme at a region known as the
a. catalyst.
c. substrate.
b. product.
d. active site.
CP Biology A Summer Homework
Chapter Reviews
10. Which formula represents an amino acid?
a.
b.
c.
d.
Understanding Concepts: Using your own words, type in the answer in full sentences.
11. Explain the relationship among atoms, elements, and compounds.
12. What is a radioactive isotope? Describe two scientific uses of radioactive isotopes.
13. How are atoms in a compound held together?
14. Explain the properties of cohesion and adhesion. Give an example of each property.
15. What is the relationship among solutions, solutes, and solvents?
16. How are acids and bases different? How do their pH values differ?
17. Identify three major roles of proteins.
18. Describe the parts of a nucleotide.
19. What is a chemical reaction?
20. Describe some factors that may influence enzyme activity.