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1 | |
A hypothesis is ______. |
| | A) | a conceptual scheme supported by many experiments |
| | B) | a result of deductive reasoning |
| | C) | a tentative explanation of the results |
| | D) | a tentative explanation of observed phenomena |
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2 | |
Which statement is false about science? |
| | A) | Science helps us to understand the natural world. |
| | B) | Science is objective rather than subjective. |
| | C) | Science has to be repeatable. |
| | D) | Science should be published in a journal. |
| | E) | The conclusion of an experiment can never change. |
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3 | |
A ______ is a conceptual scheme that is supported by a large number of observations and not found lacking. |
| | A) | hypothesis |
| | B) | law |
| | C) | result |
| | D) | theory |
| | E) | principle |
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4 | |
Hypotheses can never be proven true. |
| | A) | True |
| | B) | False |
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5 | |
The experimental variable in a controlled experiment is the result or change that is observed. |
| | A) | True |
| | B) | False |
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6 | |
A control sample goes through all the steps of the experiment except the one being tested. |
| | A) | True |
| | B) | False |
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7 | |
After conducting an experiment, Scientists will usually report their findings in a newspaper article. |
| | A) | True |
| | B) | False |
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8 | |
Scientists usually report their mathematical data obtained from experiments in a table or graph. |
| | A) | True |
| | B) | False |
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9 | |
Statistical tests from an experiment are often run to determine if there is a significant difference between the experimental variable and the dependent variable. |
| | A) | True |
| | B) | False |
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10 | |
What is usually the last step in the scientific method? |
| | A) | accumulate scientific data |
| | B) | formulate a hypothesis |
| | C) | conduct an experiment with a control group |
| | D) | draw a conclusion on the basis of the experiment |
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11 | |
Which of the following has the greatest amount of evidence for being "true"? |
| | A) | hypotheses |
| | B) | conclusion |
| | C) | theory |
| | D) | law |
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12 | |
In the design of a controlled experiment to test if a sweetener is a safe food additive, genetically different mice are nonrandomly divided into the control group and the test groups. |
| | A) | True |
| | B) | False |
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13 | |
A theory that is accepted by many scientists sometimes is called a ______. |
| | A) | hypothesis |
| | B) | law |
| | C) | result |
| | D) | data sample |
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14 | |
The ______ theory enables scientists to understand the history of life, the variety of living things, and the development of organisms. |
| | A) | cell |
| | B) | gene |
| | C) | evolution |
| | D) | biogenesis |
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15 | |
There are no advantages of reporting a scientific experiment in a scientific journal other than that it allows other researchers to repeat the experiment by knowing how the experiment was conducted. |
| | A) | True |
| | B) | False |
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16 | |
Which theory states that organisms contain coded information that dictates their form, function, and behavior? |
| | A) | Cell Theory |
| | B) | Gene Theory |
| | C) | Biogenesis Theory |
| | D) | Evolution Theory |
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17 | |
Which theory states that all organisms are composed of cells? |
| | A) | Cell Theory |
| | B) | Gene Theory |
| | C) | Biogenesis Theory |
| | D) | Evolution Theory |
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18 | |
Which theory states that all living things have a common ancestor and are adapted to a particular way of life? |
| | A) | Cell Theory |
| | B) | Gene Theory |
| | C) | Biogenesis Theory |
| | D) | Evolution Theory |
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19 | |
Which theory states that life comes only from life? |
| | A) | Cell Theory |
| | B) | Gene Theory |
| | C) | Biogenesis Theory |
| | D) | Evolution Theory |
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20 | |
Which of the following statements is NOT true about science? |
| | A) | The results of a scientific experiment must be repeatable. |
| | B) | The hypothesis of a scientific experiment must be falsifiable. |
| | C) | The methods and results of a scientific experiment must be published in a scientific journal. |
| | D) | The design of a scientific experiment should include a control sample. |
| | E) | The results of an experiment do not need to be statistically analyzed. |
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21 | |
The general approach scientists employ to gather information is known as the _____. |
| | A) | random-choice method |
| | B) | scientific method |
| | C) | Darwin method |
| | D) | hit-or-miss method |
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22 | |
In which way has science NOT improved our lives? |
| | A) | discovery of antibiotics |
| | B) | increased ethical and moral values |
| | C) | production of new strains of agricultural plants |
| | D) | development of polio vaccines |
| | E) | understanding the mechanisms that cause cancer |
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23 | |
The scientific method tests hypotheses about the natural world, but ethical and moral decisions are NOT testable. |
| | A) | True |
| | B) | False |
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24 | |
The circulatory system is composed of the heart and the blood vessels, which in turn are composed of cells. This is an example of which characteristic of life? |
| | A) | Living things are organized. |
| | B) | Living things are homeostatic. |
| | C) | Living things are adapted to a particular way of life. |
| | D) | Living things reproduce. |
| | E) | Living things grow and develop. |
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25 | |
The next higher level of biological organization above the cell is the ______. |
| | A) | organ |
| | B) | organ system |
| | C) | tissue |
| | D) | atom |
| | E) | molecule |
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26 | |
The highest level of biological organization listed here is the ______. |
| | A) | atom |
| | B) | cell |
| | C) | tissues |
| | D) | organ |
| | E) | organism |
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27 | |
Which sequence correctly increases complexity in the level of biological organization? |
| | A) | atoms, molecules, cells, organs, tissues |
| | B) | molecules, atoms, cells, organs, tissues |
| | C) | atoms, molecules, tissues, organs, cells |
| | D) | atoms, molecules, cells, tissues, organs |
| | E) | atoms, molecules, organs, tissues, cells |
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28 | |
Atoms are made up of molecules. |
| | A) | True |
| | B) | False |
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29 | |
A(n) ______ is the lowest level of biological organization to have the characteristics of life. |
| | A) | organ |
| | B) | cell |
| | C) | tissue |
| | D) | organ system |
| | E) | organism |
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30 | |
The stomach in our body represents which level of biological organization? |
| | A) | tissue |
| | B) | organ system |
| | C) | cell |
| | D) | organ |
| | E) | molecule |
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31 | |
Organs, such as the heart, are composed of ______ which is the next lower level of biological organization. |
| | A) | tissues |
| | B) | organ systems |
| | C) | cells |
| | D) | atoms |
| | E) | molecules |
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32 | |
Which of the following is NOT a characteristic of life? |
| | A) | Living things are adapted. |
| | B) | Living things are homeostatic. |
| | C) | Living things are unorganized. |
| | D) | Living things reproduce. |
| | E) | Living things grow and develop. |
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33 | |
It is easy to define the term life. |
| | A) | True |
| | B) | False |
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34 | |
Which of the following is NOT a characteristic of life? |
| | A) | Living things are adapted to a particular way of life. |
| | B) | Living things respond to stimuli. |
| | C) | Living things reproduce. |
| | D) | Living things have an internal environment that stays absolutely constant. |
| | E) | Living things grow and develop. |
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35 | |
The body temperature of humans fluctuates only slightly during the day. This is an example of which characteristic of life? |
| | A) | Living things are adapted. |
| | B) | Living things are homeostatic. |
| | C) | Living things are organized. |
| | D) | Living things reproduce. |
| | E) | Living things grow and develop. |
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36 | |
Plants can capture solar energy and carry on ______, a process that allows them to make their own food. |
| | A) | photosynthesis |
| | B) | adaptation |
| | C) | homeostasis |
| | D) | evolution |
| | E) | metabolism |
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37 | |
Food provides nutrient molecules, which are used either as building blocks or for ______. |
| | A) | photosynthesis |
| | B) | energy |
| | C) | reproduction |
| | D) | homeostasis |
| | E) | metabolism |
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38 | |
All systems of the body contribute to homeostasis. The ______ system provides nutrient molecules. |
| | A) | circulatory |
| | B) | excretory |
| | C) | nervous |
| | D) | hormonal |
| | E) | digestive |
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39 | |
All systems of the body contribute to homeostasis. The ______ system transports the nutrient molecules about the body. |
| | A) | circulatory |
| | B) | excretory |
| | C) | nervous |
| | D) | hormonal |
| | E) | digestive |
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40 | |
All systems of the body contribute to homeostasis. The ______ system rids the blood of metabolic wastes. |
| | A) | circulatory |
| | B) | excretory |
| | C) | nervous |
| | D) | hormonal |
| | E) | digestive |
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41 | |
All systems of the body contribute to homeostasis. The ______ systems coordinate the activities of the other systems. |
| | A) | circulatory |
| | B) | excretory |
| | C) | respiratory |
| | D) | nervous and hormonal |
| | E) | digestive |
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42 | |
Living things respond to external stimuli. Which of the following is NOT a response to a stimulus? |
| | A) | Leaves of plants track the movements of the sun during the day. |
| | B) | A houseplant, when placed near a window, bends its stem to face the sun. |
| | C) | The pupils of the human eye dilate in a dark environment. |
| | D) | Touching a hot stove causes the hand to quickly move away. |
| | E) | Organs are composed of tissues, and each tissue contains groups of similar cells. |
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43 | |
Food that humans eat is used in our body cells only for energy. |
| | A) | True |
| | B) | False |
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44 | |
______ is the capacity to do work. |
| | A) | Metabolism |
| | B) | Homeostasis |
| | C) | Reproduction |
| | D) | Adaptation |
| | E) | Energy |
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45 | |
When a sharp pin gets stuck in your finger, your arm moves quickly away. This is an example of which characteristic of life? |
| | A) | Living things respond to stimuli. |
| | B) | Living things are homeostatic. |
| | C) | Living things are organized. |
| | D) | Living things reproduce. |
| | E) | Living things are adapted to a particular way of life. |
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46 | |
Behavior is directed toward minimizing injury, acquiring food, and reproducing. |
| | A) | True |
| | B) | False |
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47 | |
Living things cannot maintain their organization or carry on life's activities ______. |
| | A) | without an outside source of material. |
| | B) | without an outside source of energy. |
| | C) | without an outside source of materials and energy. |
| | D) | without an internal source of materials and energy. |
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48 | |
The ability of living things to produce offspring that resemble themselves is called ______. |
| | A) | homeostasis |
| | B) | adaptation |
| | C) | reproduction |
| | D) | evolution |
| | E) | taxonomy |
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49 | |
All the chemical reactions that occur in a cell is called ______. |
| | A) | homeostasis |
| | B) | adaptation |
| | C) | reproduction |
| | D) | metabolism |
| | E) | taxonomy |
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50 | |
A bird like an osprey can catch a fish. The osprey has massive flight muscles, a white breast and belly to camouflage its presence, and strong feet and claws to hold onto the slippery fish. This is an example of which characteristic of life? |
| | A) | Living things respond to stimuli. |
| | B) | Living things are homeostatic. |
| | C) | Living things are organized. |
| | D) | Living things reproduce. |
| | E) | Living things are adapted to a particular way of life. |
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51 | |
Which of the following statements is NOT correct about evolution? |
| | A) | New variations within certain members of a species allows them to capture fewer resources. |
| | B) | Members of a population with advantageous variations tend to survive and have more offspring. |
| | C) | Each successive generation will include more members with the new advantageous variations. |
| | D) | In the end, most members of a species have the same adaptations to their environment. |
| | E) | Evolution can be used to explain the unity and diversity of life. |
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52 | |
An acorn seed becomes a seedling before it is an oak tree. This is an example of which characteristic of life? |
| | A) | Living things are adapted to a particular way of life. |
| | B) | Living things are homeostatic. |
| | C) | Living things are organized. |
| | D) | Living things reproduce. |
| | E) | Living things grow and develop. |
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53 | |
Some organisms do NOT undergo development. |
| | A) | True |
| | B) | False |
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54 | |
A housefly has offspring that soon replace the parents. This is an example of which characteristic of life? |
| | A) | Living things are adapted to a particular way of life. |
| | B) | Living things are homeostatic. |
| | C) | Living things are organized. |
| | D) | Living things reproduce. |
| | E) | Living things grow and develop. |
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55 | |
Modifications that make an organism better suited to its way of life are called ______. |
| | A) | reproduction |
| | B) | homeostasis |
| | C) | adaptations |
| | D) | metabolic reactions |
| | E) | taxonomy |
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56 | |
______ is the process by which characteristics of species change through time. |
| | A) | Adaptation |
| | B) | Evolution |
| | C) | Metabolism |
| | D) | Reproduction |
| | E) | Taxonomy |
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57 | |
Evolution can explain the unity of life but NOT the diversity of life. |
| | A) | True |
| | B) | False |
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58 | |
The ______ is in a dynamic balance because of the interactions of its populations. |
| | A) | ecosystem |
| | B) | biosphere |
| | C) | biodiversity-reduction crisis |
| | D) | Cell Theory |
| | E) | Biogenesis Theory |
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59 | |
All the members of one species belong to a(an) ______. |
| | A) | biosphere |
| | B) | ecosystem |
| | C) | population |
| | D) | phylum |
| | E) | kingdom |
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60 | |
The ______ is any place on the surface of the earth, whether in the atmosphere or down into the seas, where organisms exist. |
| | A) | experimental variable |
| | B) | ecosystem |
| | C) | biosphere |
| | D) | biodiversity |
| | E) | taxonomy |
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61 | |
The ______ represents all of the populations of organisms in one natural setting plus their physical environment. |
| | A) | experimental variable |
| | B) | ecosystem |
| | C) | biosphere |
| | D) | biodiversity |
| | E) | taxonomy |
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62 | |
Humans are dependent on other species for food, clothing, medicine, and various raw materials. |
| | A) | True |
| | B) | False |
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63 | |
As more tropical rain forests are destroyed, an increase in ______ levels in the atmosphere is expected. |
| | A) | carbon dioxide |
| | B) | oxygen |
| | C) | nitrogen |
| | D) | ozone |
| | E) | hydrogen |
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64 | |
Which of the following statements is FALSE? |
| | A) | More ecosystems undergo modifications as the human population increases in size. |
| | B) | Tropical rain forests act like a sponge to absorb carbon dioxide. |
| | C) | The biosphere needs to be preserved for our own benefit. |
| | D) | As ecosystems are destroyed, the number of species living there will increase. |
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65 | |
The human population tends to modify existing ecosystems for the best interests of the original populations. |
| | A) | True |
| | B) | False |
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66 | |
A(an) ______ is a biologist dedicated to naming, describing, and classifying organisms. |
| | A) | taxonomist |
| | B) | ecologist |
| | C) | anatomist |
| | D) | physiologist |
| | E) | taxidermist |
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67 | |
The scientific name for humans is Homo sapiens. |
| | A) | True |
| | B) | False |
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68 | |
The first word in the scientific name of an organism is the species name and the second word is the genus name. |
| | A) | True |
| | B) | False |
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69 | |
Species within the same genus share very similar characteristics. |
| | A) | True |
| | B) | False |
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70 | |
Species are classified according to their presumed evolutionary relationship. |
| | A) | True |
| | B) | False |
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71 | |
The scientific name for corn is Zea mays. |
| | A) | True |
| | B) | False |
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72 | |
What is the correct scientific name for humans? |
| | A) | sapiens homo |
| | B) | sapiens Homo |
| | C) | homo sapiens |
| | D) | Homo sapiens |
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73 | |
Humans belong to the kingdom ______. |
| | A) | Fungi |
| | B) | Animalia |
| | C) | Plantae |
| | D) | Protista |
| | E) | Hominidae |
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74 | |
According to the binomial classification system, humans belong in the phylum ______. |
| | A) | Mammalia |
| | B) | Homo |
| | C) | Hominidae |
| | D) | Primates |
| | E) | Chordata |
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75 | |
According to the binomial classification system, humans belong in the class ______. |
| | A) | Animalia |
| | B) | Chordata |
| | C) | Mammalia |
| | D) | Primates |
| | E) | Hominidae |
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76 | |
According to the binomial classification system, humans belong in the family ______. |
| | A) | Animalia |
| | B) | Chordata |
| | C) | Mammalia |
| | D) | Primates |
| | E) | Hominidae |
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77 | |
Protozoans, algae, and water molds belong to the kingdom ______. |
| | A) | Animalia |
| | B) | Plantae |
| | C) | Cnidaria |
| | D) | Protista |
| | E) | Fungi |
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78 | |
Molds and mushrooms belong to the kingdom ______. |
| | A) | Animalia |
| | B) | Plantae |
| | C) | Cnidaria |
| | D) | Protista |
| | E) | Fungi |
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79 | |
Mosses and ferns belong to the kingdom ______. |
| | A) | Animalia |
| | B) | Plantae |
| | C) | Cnidaria |
| | D) | Protista |
| | E) | Fungi |
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80 | |
Which of the following taxonomic sequences is correct starting from the most specific but including the fewest in number? |
| | A) | species, family, order, class, genus |
| | B) | genus, species, family, order, class |
| | C) | family, species, genus, class, order |
| | D) | class, order, family, genus, species |
| | E) | species, genus, family, order, class |
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81 | |
Which of the following statements is FALSE? |
| | A) | Organisms placed in the same genus are least closely related. |
| | B) | The scientific name for humans is Homo sapiens. |
| | C) | Moving from species to kingdom, more different species are included in each higher category. |
| | D) | Species that are in the same genus share very specific characteristics. |
| | E) | Taxonomists are biologists who classify organisms. |
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