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Bio 101 Final

Total questions: 107

Worksheet time: 55mins

Name
Class
Date
1.

A university wishes to hire a scientist to work on the relationships among the wolves, moose, trees, & physical features on an island. If you were charged with writing the job description, you should title the position...?

a)

population geneticist

b)

molecular biologist

c)

organismal physiologist

d)

ecosystem ecologist

2.

This theory explains both the diversity and the unity of life:  ______.

a)

taxonomy

b)

evolution

c)

microbiology 

d)

genetics

3.

Humans are composed of ______ cells

a)

prokaryotic

b)

eukaryotic 

c)

bacterial

d)

plant

4.

In the scientific method, what precedes the formation of the hypothesis?

a)

analysis of results

b)

experimentation

c)

observation

d)

a prediction

5.

What is the scientific study of life?

a)

Biology

b)

Microbiology

c)

Theology

d)

Scientology

6.

What is the basic unit of structure for all living things?

a)

Cell

b)

Atom

c)

Tissue

d)

Molecule

7.

All living things share the same basic characteristics

a)

True

b)

False

8.

What is the correct order for the levels of organization, from smallest to largest?

a)

Biosphere, ecosystem, community, population, organism, organ system, organ, tissue, cell, molecule, atom

b)

atom, molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere

c)

Atom, cell, molecule, organ, tissue, organ system, community, population, ecosystem, biosphere

9.

What is the capacity to do work?

a)

Mechanical energy

b)

Energy

c)

Potential energy

d)

Metabolism

10.

What is all the chemical reactions that occur in a cell?

a)

Energy

b)

Chemical cycling

c)

Metabolism

d)

Chemiosmosis

11.

What is a process that converts solar energy into the chemical energy of carbohydrates?

a)

Chemiosmosis

b)

Cellular Respiration

c)

Chemical Cycling

d)

Photosynthesis

12.

The sun is the ultimate source of energy for nearly all life on Earth.

a)

True

b)

False

13.

What is the maintenance of internal conditions within certain boundaries?

a)

Homeostasis

b)

Adaptation

c)

Chemiosmosis

d)

Mitosis

14.

What is any modification that makes an organism better able to function in a particular environment?

a)

Homeostasis

b)

Adaptation

c)

Genetic modification

d)

Mutation

15.

What is the change in a population of organisms over time to become more suited to the environment

a)

Adaptation

b)

Ecosystem

c)

Evolution

d)

Mutation

16.

Who proposed Natural Selection

a)

Charles Darwin

b)

Gregor Mendel

c)

James Watson

d)

Francis Crick

17.

What aids Evolution

a)

Homeostasis

b)

Natural Selection

c)

Taxonomy

d)

Systematics

18.

What is the discipline of biology that identifies, names, and classifies organisms according to certain rules?

a)

Taxonomy

b)

Systematics

c)

Microbiology

d)

Cytology

19.

Eukaryotes lack a membrane-bound nucleus

a)

True

b)

False

20.

What is the correct order of classification categories, from most to least inclusive

a)

Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species

b)

Species, Genus, Family, Order, Class, Phylum, Kingdom, and Domain

c)

Domain, Phylum Kingdom, Order, Class, Genus, Family, and Species

21.

What are the 3 Domains

a)

Archaea, Bacteria, Eukarya

b)

Archael, Bacterial, Eukaryotal

c)

Prokaryotic, Eukaryotic, Bacterial

22.

Which Domain contains Eukaryotes?

a)

Archaea

b)

Bacteria

c)

Eukarya

23.

What is a standard series of steps used in gaining new knowledge through research?

a)

Evolution

b)

Research Method

c)

Scientific Method

d)

Phenomenon

24.

What is a tentative explanation for what was observed?

a)

Prediction

b)

Observation

c)

Hypothesis

d)

Theory

25.

What is a series of procedures designed to test a hypothesis?

a)

Prediction

b)

Experiment

c)

Scientific Method

d)

Research

26.

What is the factor that's being tested

a)

Variable

b)

Dependent variable

c)

Independent Variable

d)

Control Variable

27.

What is exposed to the experimental variable?

a)

Test Group

b)

Control Group

c)

Dependent Variable

d)

Data

28.

What goes through all aspects of the experiment but is not exposed to the experimental variable?

a)

Test Group

b)

Data

c)

Control Group

d)

Dependent Variable

29.

What are the results of an experiment?

a)

Data

b)

Results

c)

Statistics

d)

Conclusion

30.

All atoms of an element have the same number of ______

a)

Neutrons

b)

Electrons

c)

Protons

d)

Protons plus Neutrons

31.

If an element contains eight electrons how many electrons will be placed in the second valence shell?

a)

6

b)

2

c)

8

d)

5

32.

Which statement is NOT true about covalent bonds?

a)

A single covalent bond is drawn as a line between two atoms

b)

A pair of electrons is shared between two atoms for each covalent bond

c)

Covalent bonds form when an electron is completely lost or gained from an atom

d)

Shared electrons allow an atom to complete its valence shell in a covalent molecule

33.

Which term refers to the attraction of water molecules to one another?

a)

polarity

b)

photolysis 

c)

hydrolysis

d)

Cohesion

34.

What refers to anything that has mass and occupies space?

a)

Matter

b)

Elements

c)

Atoms

d)

Molecules

35.

What is a substance that cannot be broken down into substances with different properties; composed of one type of atom?

a)

Molecule

b)

Atom

c)

Compund

d)

Element

36.

What is the smallest part of an element that displays the property of the element?

a)

Cell

b)

Atom

c)

Tissue

d)

Molecule

37.

What are positively charged, 1 amu

a)

Protons

b)

Neutrons

c)

Electrons

d)

Atoms

38.

What have no charge, 1 amu?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Atoms

39.

What are negatively charged, very low mass-negligible in calculations?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Atoms

40.

What is equal to the number of protons in each atom of an element?

a)

Atomic Mass

b)

Atomic Number

c)

Mass Number

d)

Elemental Number

41.

What is equal to the sum of the protons and neutrons in nucleus?

a)

Atomic Size

b)

Atomic Number

c)

Mass Number

d)

Elemental Number

42.

What are atoms of the same element that differ in the number of neutrons (and therefore different atomic masses)?

a)

Proton Variabilities

b)

Compounds

c)

Isotopes

d)

Formulas

43.

How many electrons can the first energy level hold?

a)

2

b)

7

c)

6

d)

8

44.

How many electrons can every level EXCEPT the first hold?

a)

2

b)

6

c)

4

d)

8

45.

What is the outermost energy shell of any atom?

a)

Energy Level

b)

Valence Shell

c)

Octet Shell

d)

Eighth Level

46.

What is two or more elements bonded together?

a)

Compound

b)

Molecule

c)

Formula

d)

Atom Fission

47.

What is a molecule containing at least two different elements bonded together?

a)

Element

b)

Molecule

c)

Compound

d)

Atomic Fission

48.

What tells the number of each kind of atom in a molecule?

a)

Atomic number

b)

Molecular Number

c)

Formula

d)

Compound Number

49.

What is an atom that has lost or gained an electron?

a)

Covalent

b)

Ion

c)

Salt

d)

Negative Atom

50.

What forms when electrons are transferred from one atom to another atom and the oppositely charged ions are attracted to each other?

a)

Covalent Bond

b)

Ionic Bond

c)

Atomic Bond

d)

Elemental Bond

51.

What are solid substances that usually separate and exist as individual ions in water?

a)

Salts

b)

Elements

c)

Atoms

52.

What results when two atoms share electrons so each atom has an octet of electrons in the outer shell?

a)

Ionic Bond

b)

Atomic Bond

c)

Covalent Bond

d)

Elemental Bond

53.

When are electrons are shared equally between atoms?

a)

Nonpolar Covalent Bond

b)

Polar Covalent Bond

c)

Nonpolar Ionic Bond

d)

Polar Ionic Bond

54.

When are electrons are shared unequally?

a)

Nonpolar Covalent Bond

b)

Polar Covalent Bond

c)

Nonpolar Ionic Bond

d)

Polar Ionic Bond

55.

What is the ability of an atom to attract electrons towards itself in a chemical bond?

a)

Electronegativity

b)

Polarity

c)

Attractivity

d)

Electricity

56.

What is a weak attraction between a slightly positive hydrogen atom and a slightly negative atom?

a)

Covalent Bond

b)

Ionic Bond

c)

Hydrogen Bond

d)

Polar Bond

57.

Water has a high heat capacity

a)

True

b)

False

58.

Water has a low heat of evaporation

a)

True

b)

False

59.

Water is NOT a good solvent

a)

True

b)

False

60.

What is the universal solvent?

a)

Hydrogen peroxide

b)

Water

c)

Sunlight

d)

Alcohol

61.

What molecules dissolve in water?

a)

Hydrophilic Molecules

b)

Hydrophobic Molecules

c)

Dissolvable molecules

d)

Non-dissolvable molecules

62.

What molecules do NOT dissolve in water?

a)

Hydrophilic Molecules

b)

Hydrophobic Molecules

c)

Dissolvable Molecules

d)

Non-Dissolvable Molecules

63.

What is the ability of water molecules to cling to other polar surfaces?

a)

Adhesion

b)

Cohesion

c)

Polarity

d)

Buffering

64.

What is a measure of hydrogen ion concentration in a solution?

a)

pH

b)

Acid level

c)

Base level

d)

Buffer

65.

What are substances that dissociate in water, releasing hydrogen ions?

a)

Acids

b)

Bases

c)

Buffers

d)

Ions

66.

What are substances that either take up hydrogen ions (H+) or release hydroxide ions (OH−)?

a)

Acids

b)

Bases

c)

Buffers

d)

Ions

67.

What is used to indicate the acidity or basicity (alkalinity) of a solution where values range from 0–14?

a)

pH Scale

b)

Logarithmic Scale

c)

Acidity Scale

d)

Base Scale

68.

What is a chemical or a combination of chemicals that keeps pH within normal limits?

a)

pH

b)

Base

c)

Buffer

d)

Acid

69.

A single carbon atom can form a maximum of ______ covalent bond(s).

a)

none; carbon only participates in ionic bonds

b)

2

c)

1

d)

4

70.

Which carbohydrate is found in the cell walls of plants?

a)

Glycerol

b)

Glycogen 

c)

Cellulose

d)

Starch

71.

A protein's function is dependent on its ______.

a)

Size

b)

pH

c)

Shape

d)

Weight

72.

Nucleic acids are polymers of ______ monomers.

a)

DNA

b)

Monosaccharide

c)

Fatty acid

d)

Nucleotide

73.

How does RNA differ from DNA?

a)

RNA contains uracil; DNA contains thymine.

b)

RNA is double-stranded; DNA is single-stranded.

c)

In RNA G pairs with T; in DNA G pairs with C.

d)

RNA is a polymer of amino acids; DNA is a polymer of nucleotides.

74.

What is NOT one of the four classes of organic molecules

a)

Carbohydrates

b)

Lipids

c)

Buffers

d)

Proteins

e)

Nucleic Acids

75.

What are clusters of specific atoms bonded to the carbon skeleton with characteristic structures and functions?

a)

Isomers

b)

Functional Groups

c)

Carbohydrates

d)

Carboxyl Groups

76.

What are organic molecules that have identical molecular formulas but different arrangements of atoms?

a)

Isomers

b)

Functional Groups

c)

Carbon Atoms

d)

Carboxyl Groups

77.

What is an example of a monomer?

a)

Protein

b)

Lipid

c)

Nucleic Acid

d)

Amino Acid

78.

What is a chemical reaction in which subunits are joined together by the formation of a covalent bond and water is produced during the reaction?

a)

Dehydration Reaction

b)

Hydrolysis

c)

Biomolecule

79.

What is a chemical reaction in which a water molecule is added to break a covalent bond?

a)

Dehydration Reaction

b)

Hydrolysis

c)

Biomolecule Reaction

80.

What is a molecule that speeds up a chemical reaction?

a)

Carbohydrate

b)

Protein

c)

Enzyme

d)

Biochemical Molecule

81.

What is a single sugar molecule?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Deoxyribose Sugar

82.

What contains two monosaccharides joined together by dehydration synthesis?

a)

Monosaccharide Synthesized

b)

Disaccharide

c)

Polysaccharide

d)

Deoxyribose

83.

What provides energy storage in plants?

a)

Glycogen

b)

Starch

c)

Cellulose

d)

Chitin

84.

What provides energy storage in animals?

a)

Glycogen

b)

Starch

c)

Cellulose

d)

Chitin

85.

What is found in the cell walls of plants?

a)

Glycogen

b)

Starch

c)

Cellulose

d)

Chitin

86.

What is found in the cell walls of fungi and exoskeleton of some animals?

a)

Glycogen

b)

Starch

c)

Cellulose

d)

Chitin

87.

What is found in the cell walls of bacteria?

a)

Cellulose

b)

Glycogen

c)

Chitin

d)

Peptidoglycan

88.

What biomolecule is insoluble in water?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

89.

What biomolecule includes fats, steroids, waxes, and oils?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

90.

What kind of fatty acid is good for you?

a)

Saturated

b)

Unsaturated

c)

Phospholipid

d)

Steroid

91.

What provides long-term energy storage?

a)

Monoglycerides

b)

Diglycerides

c)

Triglycerides

d)

Polyglycerides

92.

What fatty acid has one or more double bonds between carbons?

a)

Saturated

b)

Unsaturated

c)

Phospholipid

d)

Nonpolar

93.

What fatty acid has no double bonds between carbons?

a)

Saturated

b)

Unsaturated

c)

Phospholipid

d)

Steroid

94.

What makes up the cell membrane

a)

Phospholipids

b)

Waxes

c)

Steroids

d)

Triglycerides

95.

What are composed of four fused carbon rings and includes cholesterol, testosterone, and estrogen?

a)

Phospholipids

b)

Steroids

c)

Triglycerides

d)

Fatty Acids

96.

What are long-chain fatty acids connected to carbon chains containing alcohol functional groups whose function is protection? An example is plant cuticle

a)

Steroids

b)

Waxes

c)

Phospholipids

d)

Fatty Acids

97.

What biomolecule is made of amino acids?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

98.

What are two or more amino acids joined together?

a)

Peptides

b)

Polypeptides

c)

Nucleic Acids

d)

Triglycerides

99.

What is a polypeptide that has folded into a particular shape, which is essential for its proper functioning?

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic Acid

100.

What help proteins fold into their normal shapes and may also correct misfolding of new proteins

a)

Chaperone Proteins

b)

Primary Proteins

c)

Secondary Proteins

d)

Prions

101.

What are misfolded proteins that have been implicated in a group of fatal brain diseases known as TSEs?

a)

Chaperone Proteins

b)

Malfunctioning Proteins

c)

Tertiary Proteins

d)

Prions

102.

What is the energy currency of the cell?

a)

ATP

b)

ADP

c)

Sunlight

d)

Photosynthesis

103.

One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ______ prokaryotic cells.

a)

have a nucleoid region, which is lacking in

b)

have DNA, which is lacking in

c)

have a plasma membrane, which is lacking in

d)

have membrane-enclosed structures called organelles, which are lacking in

104.

______  are made of DNA and store the instructional information necessary to produce proteins.

a)

Genes

b)

Carbohydrates

c)

Ribosomes

d)

Lysosomes

105.

When using a light microscope to view a cell you obtained from scraping under your fingernails, you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be a type of ______ cell.

a)

eukaryotic

b)

fungal

c)

prokaryotic

d)

plant

106.

What surface-area-to-volume-ratio is desirable for eukaryotic cells

a)

Large

b)

Small

c)

Medium

d)

Zero

107.

Which kind of cells lack a membrane-bound nucleus?

a)

Eukaryotic

b)

Prokaryotic

c)

Bacterial

d)

Ribosomal

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