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Practice Quizzing
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1

The principle of conservation of matter states that all moving objects contain energy. (p. 26)
A)True
B)False
2

Which of the following is an example of kinetic energy? (p. 27)
A)a rock poised at the top of a hill
B)a lump of coal
C)a person running a marathon
D)none of the above
3

________ is the energy that is transferred between objects of different temperatures. (p. 27)
A)Matter
B)Heat
C)pH
D)None of the above
4

The loss of energy from one trophic level to the next is an example of _______. (p. 28)
A)the second law of thermodynamics
B)a chemical reaction
C)photosynthesis
D)respiration
5

Protons are negatively charged and move at high speed around the nucleus. (p. 28)
A)True
B)False
6

The elemental form of an atom is a molecule composed of identical atoms. (p. 29)
A)True
B)False
7

Basic solutions have a pH of less than 7 and have more H+ ions than OH- ions. (p.30)
A)True
B)False
8

Which of the following is NOT a major group of organic compounds? (p. 31)
A)proteins
B)carbohydrates
C)vitamins
D)lipids
9

Which of the following is NOT a property of water? (p. 32)
A)Water is a solvent.
B)Water makes up 60-70 percent of the weight of living organisms.
C)Water is an active participant in cellular reactions.
D)None of the above.
10

Capillary action, which draws water into small channels, is the result of cohesion between water molecules. (p. 33)
A)True
B)False
11

Photosynthesis takes place in mitochondria which are located on the membranes of cells. (p. 35)
A)True
B)False
12

The role of ATP and NADPH in photosynthesis is to _______. (p. 35)
A)provide energy for the light-independent reaction
B)split the water molecule in the light dependent reaction
C)split carbon and hydrogen from sugar molecules
D)none of the above
E)a and b are correct
13

Which of the following is considered a primary producer? (p. 36)
A)a cow
B)a fungus
C)a tree
D)a nonphotosynthetic bacterium
14

An organism’s trophic level is a measure of its ability to release nitrogen into the atmosphere. (p. 37)
A)True
B)False
15

Secondary consumers are generally _______. (p. 38)
A)algae
B)carnivores
C)herbivores
D)decomposers
16

Coal and oil are the compressed remains of ancient plants and organisms that release phosphorus atoms when they are burned. (p. 40)
A)True
B)False
17

Which plant has nitrogen-fixing bacteria in its roots? (p. 41)
A)bean
B)corn
C)wheat
D)all of the above
18

Which of the following releases sulfur into the air and/or water? (p. 44)
A)volcanic eruptions
B)earthquakes
C)deep seafloor vents
D)all of the above
E)a and c are correct
19

Agricultural intensification, increased use of fertilizers, and expansion in mining have quadrupled the rate of phosphorous input into freshwater ecosystems. (p. 45)
A)True
B)False





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