Multiple Choice-WRITE THE CAPITAL LETTER OF THE CORRECT
ANSWER ON THE LINE.
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1.
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Cells are
a. | the structures that contain all of the materials necessary for
life. | b. | found in all organisms. | c. | sometimes specialized for particular
functions. | d. | All of the above |
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2.
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Which of the following is a true statement about all living things?
a. | They cannot sense changes in their external environment. | b. | They have one or
more cells. | c. | They do not need to use energy. | d. | They reproduce
asexually. |
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3.
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A change in an organism's environment that affects the organism's
activities is a
a. | response. | c. | metabolism. | b. | stimulus. | d. | producer. |
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4.
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Organisms store energy in
a. | nucleic acids. | c. | lipids. | b. | phospholipids. | d. | water. |
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5.
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The molecule that contains the information on how to make proteins is
a. | ATP. | c. | DNA. | b. | a carbohydrate. | d. | a phospholipid. |
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6.
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The subunits of nucleic acids are
a. | nucleotides. | c. | sugars. | b. | oils. | d. | amino acids. |
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7.
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The molecule that provides energy for cellular processes is
a. | ATP. | c. | RNA. | b. | DNA. | d. | protein. |
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8.
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The subunits of proteins are
a. | enzymes. | c. | nucleotides. | b. | amino acids. | d. | sugar
molecules. |
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9.
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Maintaining a body temperature of 37°C and a stable amount of sugar in your
blood are both examples of
a. | homeostasis. | c. | photosynthesis. | b. | metabolism. | d. | respiration. |
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10.
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The pupils of your eyes respond to which of the following stimuli?
a. | sound | c. | scent | b. | light | d. | touch |
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11.
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DNA is an acronym for
a. | deoxynitrogenous acid. | c. | decomponutrient acid. | b. | deoxyribonucleic
acid. | d. | dinoribonucleic
acid. |
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12.
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Living things need water. The human body is approximately 70 percent water. If a
student has a mass of 40 kg, what would the student's mass be without the water?
a. | 10 kg | c. | 28 kg | b. | 12 kg | d. | 30 kg |
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13.
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What are the four basic necessities of life?
a. | air, water, food, and living space | c. | water, air, food, and
clothing | b. | sunlight, air, water, and food | d. | sunlight, water, food, and
clothing |
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14.
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Which statement best describes how consumers get the food they
need to survive?
a. | They use energy from the sun to make food from water and carbon
dioxide. | b. | They obtain energy and food from the chemicals in their
environment. | c. | They eat other organisms. | d. | They break down the nutrients in dead organisms
or animal wastes. |
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15.
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Which statement best describes how decomposers get the food they need to
survive?
a. | They eat other organisms. | b. | They obtain energy and food from the chemicals
in their environment. | c. | They use energy from the sun to make food from
water and carbon dioxide. | d. | They break down the nutrients in dead organisms
or animal wastes. |
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16.
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The human body maintains a temperature of about
a. | 37ºC. | c. | 98.6ºC. | b. | 0ºC. | d. | None of the
above |
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17.
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Which of the following statements best describes the composition of air?
a. | Air is composed only of oxygen. | b. | Air is composed only of carbon
dioxide. | c. | Air is a mixture of different gases. | d. | Air is composed only of
nitrogen. |
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18.
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Green plants, algae, and some bacteria need ____ to produce food by
photosynthesis.
a. | sunlight | c. | water | b. | carbon dioxide | d. | All of the
above |
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19.
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The sugar in fruits is an example of
a. | a protein. | c. | a simple carbohydrate. | b. | a complex
carbohydrate. | d. | a
lipid. |
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20.
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Table sugar is an example of a
a. | protein. | c. | lipid. | b. | simple carbohydrate. | d. | complex
carbohydrate. |
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21.
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When an organism has more sugar than it needs, its extra sugar may be stored in
the form of
a. | simple carbohydrates. | c. | lipids. | b. | complex carbohydrates. | d. | phospholipids. |
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22.
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DNA is a(n)
a. | carbohydrate. | c. | phospholipid. | b. | enzyme. | d. | nucleic acid. |
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23.
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Fish that live in the ice-cold waters off Antarctica make a natural antifreeze
that keeps them from freezing. This is the fish's way of maintaining a stable environment known
as
a. | photosynthesis. | c. | metabolism. | b. | homeostasis. | d. | respiration. |
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24.
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Over time, an acorn becomes an oak seedling and then an oak tree. This is an
example of
a. | reproduction. | c. | homeostasis. | b. | metabolism. | d. | development. |
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25.
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Which of the following are characteristics that all organisms share?
a. | All living things have DNA. | c. | All living things have
cells. | b. | All living things grow and develop. | d. | all of the
above |
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Short Answer
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26.
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A flame can move, grow larger, and give off heat. Is a flame alive?
_____
Explain._________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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27.
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What six characteristics do all living things have in
common?
1.__________________________________________________________
2.__________________________________________________________
3.__________________________________________________________
4.__________________________________________________________
5.__________________________________________________________
6.__________________________________________________________
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