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Biology 110 > Final Exam Practice Questions > Flashcards

Final Exam Practice Questions Flashcards

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1
Q
  1. A drug company conducted a scientific investigation of a new medication before putting it on the market. Pills that did not contain medication were given to 100 test subjects in group A, and pills containing medication were given to 100 test subjects in group B. The individuals in group
A

control

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2
Q
  1. If the population of mice is reduced by disease, which change will most likely occur in the food web?
A

. The consumer of the mice population will decrease.

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3
Q
  1. What is the original energy source for this food web?
A

sunlight

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4
Q
  1. Which organic molecule is correctly matched with the subunit that composes it?
A

starch – glucose

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5
Q
  1. Which organic molecule is correctly matched with the subunit that composes it?
A

starch – glucose

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6
Q
  1. Muscle cells require a large amount of energy. Therefore, they must contain many
A

mitochondria

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7
Q
  1. Which sequence of biological terms is in the correct order from the simplest to the most complex?
A

cells → tissues → organs → organ systems

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8
Q
  1. Which organelle contains genetic material and controls the activities of the cell?
A

nucleus

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9
Q
  1. Which level of the pyramid contains the most energy?
A

The bottom

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10
Q
  1. Bacteria that live in the human intestine receive nutrients from digested foods. From these nutrients, the bacteria make vitamins usable by the human. This relationship is known as
A

mutualism

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11
Q
  1. Decomposition and decay of organic matter occur as a result of the action of
A

bacteria and fungi.

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12
Q
  1. The smallest structure that is able to carry out basic life functions is
A

a cell.

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13
Q
  1. An organelle found in plant cells but not in animal cells is a
A

chloroplast.

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13
Q
  1. An organelle found in plant cells but not in animal cells is a
A

chloroplast.

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14
Q
  1. What is the difference between a prokaryotic cell and a eukaryotic cell?
A

A prokaryotic cell does not have internal membrane-bound structures and a eukaryotic cell does.

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15
Q
  1. An example of a population in a lake is all of the
A

brown trout.

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16
Q
  1. What is the lowest possible magnification that can be obtained using this microscope?
A

150 X

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17
Q
  1. Farmers often spray their crops with pesticides. Birds and small mammals eat these crops and the pesticides are deposited in their body tissues.
    When predators eat these birds and small mammals, the pesticides
A

decrease in concentration as they move up the food chain.

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18
Q
  1. Which of the following is a characteristic of all organisms?
A

They are composed of one or more cells.

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19
Q
  1. An example of an autotroph is a
A

maple tree.

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19
Q
  1. An example of an autotroph is a
A

maple tree.

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20
Q
  1. Sugar dissolves in, or mixes completely with, water. The solubility of a substance in water is determined by measuring the maximum amount of the substance that dissolves in a given amount of water at a given temperature. Hypothesis: The solubility of sugar in water increases as the temperature of the water increases. Identify the independent variable and the dependent variable that you would use to test the hypothesis.
A

Dependent variable – amount of sugar that dissolves; independent variable – water temperature

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21
Q
  1. Living things are made mostly of these four main elements:
A

. carbon, hydrogen, oxygen, and nitrogen

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22
Q
  1. Enzymes are important to the functioning of the human body because
A

They speed up biochemical reactions to maintain homeostasis.

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23
Q
  1. Enzymes are important to the functioning of the human body because
A

They speed up biochemical reactions to maintain homeostasis.

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24
Q
  1. Cells need buffering agents in order to

A. function properly in an extremely basic internal environment

A

minimize the changes in pH of the internal environment

25
Q

If a laboratory chemical splashed into a student’s eyes, the proper safety procedure to follow would be to

A

notify the teacher and rinse eyes with water.

26
Q
  1. An investigation was designed to determine the effect of ultraviolet light on mold spore growth. Two groups of mold spores were grown under identical conditions, except one group was exposed only to ultraviolet light, while the other group was grown in total darkness. In this investigation, the group of mold spores grown without receiving any ultraviolet light is known as the
A

control

27
Q
  1. In the setup shown below, which color light will cause the plant to produce the smallest number of gas bubbles?
A

green

28
Q
  1. If a breeder wanted to determine whether a black guinea pig was homozygous (BB) or heterozygous (Bb) for fur color, the animal would have to be crossed with a guinea pig that has the genotype
A

bb

29
Q
  1. Which biological process is the main source of oxygen found in the Earth’s atmosphere?
A

photosynthesis

30
Q
  1. Compared to the number of chromosomes in a normal human body cell, the number of chromosomes normally in a gamete is
A

half the number

31
Q
  1. The body cells of a fruit fly contain eight chromosomes. How many of these chromosomes were contributed by each parent of the fruit fly?
A

4

32
Q
  1. In squirrels, the gene for gray fur (G) is dominant over the gene for black fur (g). If 50% of the offspring in a particular litter of squirrels are gray, what is most likely the parental cross of this litter?
A

Gg x gg

33
Q
  1. Which organelle is present in the cells of a pea plant, but not present in the cells of a mouse?
A

chloroplast

34
Q
  1. What are the basic building blocks of proteins?
A

amino acids

35
Q
  1. Which diagram represents an egg that can unite with a sperm to produce a zygote that will develop into a normal human female embryo
A

xx

36
Q
  1. The offspring of an organism that reproduces asexually will most likely be
A

genetically identical to the parent.

37
Q
  1. Which word equation represents the process of respiration?
A

. glucose + oxygen →

carbon dioxide + water + ATP

38
Q
  1. Which process is responsible for the growth of an organism by increasing cell number?
A

mitosis only

39
Q
  1. Enzymes are able to speed up biochemical reactions by
A

lowering the activation energy.

40
Q
  1. In Japanese four o’clock flowers, red and white combine to form pink. What is the probability that two pink flowering plants will produce a red flowering plant?
A

. 25%

41
Q
  1. The enzymes in our bodies are composed of which of the following substances?
A

proteins

42
Q
  1. The enzymes in our bodies are composed of which of the following substances?
A

proteins

43
Q
  1. Which compound carries amino acids from in the cytoplasm to the site of protein synthesis?
A

tRNA

44
Q
  1. Which gas is released as a waste product of autotrophic nutrition?
A

oxygen

45
Q
  1. A student measured some abiotic factors present in an aquarium in a biology laboratory. Which data did the student most likely record?
A

the temperature and oxygen content of the water

46
Q
  1. Which substance is produced as a direct result of photosynthesis?
A

glucose

47
Q
  1. All producers and consumers use the process of cellular respiration to synthesize
A

ATP

48
Q
  1. The arrangement of chromosomes shown in the diagram is known as
A

karyotype

49
Q
  1. Which of the following is paired correctly
A

sperm – haploid

50
Q
  1. Which of the following is paired correctly
A

sperm – haploid

51
Q
  1. The fermentation occurring in yeast normally produces
A

alcohol, CO2, and ATP.

52
Q

Which baby could not be the child of parents who both have blood type AB?

A

oo

53
Q
  1. Which of the following transport processes involves the movement of sugar molecules from a region of lower concentration to a region of higher concentration?
A

active transport

53
Q
  1. Which of the following transport processes involves the movement of sugar molecules from a region of lower concentration to a region of higher concentration?
A

active transport

54
Q
  1. Which of the following transport processes require energy?
A

. active transport

55
Q

Which substance was needed to join the insulin gene to the bacterial DNA?

A

a specific enzyme

56
Q
  1. Car exhaust has been blamed for increasing the amount of carbon dioxide in the air. Most scientists believe this additional carbon dioxide in the air may cause.
A

global warming

57
Q
  1. Which level of the food pyramid has the greatest amount of energy?
A

lowest level

58
Q
  1. Which substances are components found in a DNA molecule?
A

thymine, deoxyribose, and phosphate

59
Q
  1. The parental cross that would be most likely to produce a son with hemophilia is: (XH is the chromosome that does not carry the gene for hemophilia; Xh is the chromosome that carries the gene for hemophilia)
A

. XHXh x XHY

60
Q
  1. The nucleus is removed from a body cell of one organism and is placed in an egg cell that has had its nucleus removed. This process resulting in production of organisms that are genetically alike is known as
A

cloning

Biology 110 (2 decks)

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