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Biology Review 1

Total questions: 100

Worksheet time: 51mins

Name
Class
Date
1.

Is the study of life

a)

Psychology

b)

Ecology

c)

Biology

d)

Toxicology

2.

What is science?

a)

Science is the systematic study of the natural world through observation and experimentation, and process of investigations

b)
Science is the study of human emotions and feelings.
c)
Science is solely based on personal beliefs.
d)
Science is a collection of myths and legends.
3.

Takes many specific observations to reach a general conclusion

a)
Deductive reasoning
b)
Abductive reasoning
c)
Inductive reasoning
d)
Syllogistic reasoning
4.

Deductive reasoning

a)
Deductive reasoning is based solely on emotional responses rather than logic.
b)
Inductive reasoning is a process that leads to general conclusions from specific examples.
c)
Deductive reasoning involves guessing outcomes without any principles.
d)

Deductive reasoning utilizes a general fact or property to reach specific conclusions.

5.

What is the first step in the scientific method?

a)
Draw a conclusion
b)
Analyze data
c)

Make an observation

d)
Conduct an experiment
e)
Formulate a hypothesis
6.

What is the third step in the scientific method?

a)

Experiment

b)

Make an Observation

c)

Ask a Question

d)

Formulate Hypothesis

e)

Perform Background Research

7.

What is the second step in the scientific method?

a)

Make an Observation

b)

Asking a Scientific Question

c)

Perform Background Research

d)

Formulate Hypothesis

e)

Collect and Analyze Data

8.

What is the 6th step in the scientific method?

a)

Perform Background Research

b)

Draw Conclusions

c)

Collect and Analyze Data

d)

Formulate a Hypothesis

e)

Asking a Scientific Question

9.

What is the last step in the scientific method?

a)

Draw Conclusions

b)

Make an Observation

c)

Ask a Scientific Question

d)

Formulate a Hypothesis

e)

Perform Background Research

10.

What is the 5th step in the scientific method?

a)
Formulate a hypothesis
b)
Make observations
c)
Identify the problem
d)
Analyze data and draw conclusions.
e)
Conduct an experiment
11.

What is the 4th step of the scientific method?

a)

Ask a Question

b)

Make an Observation

c)

Experiment

d)

Formulate Hypothesis

e)

Perform Background Research

12.

What is a hypothesis?

a)

A hypothesis is a guess questions an experiment

b)

A tentative explanation that answers a scientific question

c)
A hypothesis is an untestable assumption about the future.
d)
A hypothesis is a random guess without any basis.
13.

What is an Independent Variable?

a)
A variable that is only observed and not manipulated.
b)
The outcome measured in response to changes in the independent variable.
c)

An independent variable is the variable that is changed or manipulate in a scientific experiment.

d)
A variable that remains constant throughout the experiment.
14.

What is an example of an independent variable?

a)
Temperature in a plant growth experiment
b)

Amount of water given to a flower and the color of the flower

c)
Watering frequency in a plant growth experiment
d)
Type of soil in a plant growth experiment
15.

What is an example of a dependent variable?

a)

The same location

b)

Number of hummingbirds that visit flower or the life of the flower

c)

The color of the flower and the amount of sunlight/water the flower recieves

d)

The type of flower

16.

What is a controlled variable?

a)
A controlled variable is the main factor being tested.
b)
A controlled variable is a random factor in an experiment.
c)
A controlled variable is an outcome measured in the experiment.
d)

A controlled variable is a constant factor in an experiment, they do not change.

17.

What would be an example of a controlled variable?

a)

The amount of sunlight and water used on the flower

b)

The number of humming birds that visit the flower

c)

The color of the flower

d)

The same type of flower, and the same location of the flower

18.

States what should happen if a specific action is taken. Uses "If... Then..." and is more specific

a)

Assumption

b)

Prediction

c)

Null Hypothesis

d)

Hypothesis

19.

A null hypothesis states that

a)
There is no effect or no difference.
b)
There is a negative difference.
c)
There is a positive correlation.
d)
There is a significant effect.
20.

A group in the experiment that receives no experimental treatment.

a)
Experimental group
b)
Treatment group
c)
Control group
d)
Sample group
21.

What is the difference between qualitative and quantitative data?

a)
Qualitative data is descriptive and non-numerical, while quantitative data is numerical and measurable.
b)
Qualitative data is always numerical and measurable.
c)
Quantitative data is descriptive and non-numerical.
d)
Qualitative data can be easily counted and analyzed statistically.
22.

In which domain do you find organisms such as protists?

a)

Archaea

b)

Bacteria

c)

Prokarya

d)

Eukarya

23.

What are emergent properties?

a)

Properties that can be deduced from the smallest functional orbit

b)

Properties that come about as structures, become more complex, or as hierarchy increases

c)

Properties that require many components to work

d)

Properties that are the most simplistic explanation of a structure

24.

What are the 7 properties of life?

a)

1) Circulation, 2) Terrestrial, 3) Wastefree, 4) DNA-less, 5) Silent, 6) Nervous, 7) Unstoppable

b)

  1. 1) Respiration, 2) Sunlight, 3) Isolated, 4) Backbone, 5) Metabolismless, 6) Sexual Only, 7) Hydration Only

c)

1) Invisibility, 2) Photosynthesis, 3) Spontaneous Combustion, 4) Single Celled Organisms, 5) Reproduction through cloning, 6) All living things are blue in color, 7) Living organisms cannot adapt over time

d)
1) Organization, 2) Metabolism, 3) Homeostasis, 4) Growth and Development, 5) Reproduction, 6) Response to Stimuli, 7) Adaptation through Evolution.
25.

Organizes life from smallest to largest and according to complexity. Levels are separated by emergent properties and only visible at specific levels of organization

a)
Genetic code
b)

Biological hierarchy of life

c)
Cellular structure
d)
Ecological pyramid
26.

The lowest level in the hierarchy of life that meets all 7 properties of life

a)
Cell
b)
Tissue
c)
Organ
d)
Organism
27.

What is the difference between a population and a community?

a)

A population is a group of the same species; a community is made up of all species.

b)
A population is a group of different species; a community is a group of the same species.
c)
A population includes multiple species; a community is a single species.
d)
A population refers to the physical environment; a community refers to the interactions between species.
28.

what is the difference between an ecosystem and the biosphere?

a)
An ecosystem encompasses the entire biosphere.
b)
The biosphere is a type of ecosystem.
c)
Ecosystems are larger than the biosphere.
d)
An ecosystem is a smaller unit within the biosphere, which includes all ecosystems on the planet.
29.

Archaea and Bacteria are both

a)

prokaryotes

b)
fungi and plants
c)
multicellular life forms
d)

eukaryotes

30.

Have no nucleus and no membrane bound organelles

a)

Eukaryotes

b)
Viruses
c)
Fungi
d)

Prokaryotes

31.

Has a true nucleus and organelles

a)

Eukaryotes

b)
Bacteria
c)
Viruses
d)

Prokaryotes

32.

Kingdom Animalia, plantae, fungi, and protists are all part of this domain

a)

Domain Archaea

b)

Domain Bacteria

c)

Domain Eukarya

33.

Organisms with favorable adaptations are more likely to survive and reproduce

a)

Natural selection

b)

Adaptation

34.

The science of classifying living organisms based on hypothesized evolutionary relationships

a)

Phylogeny

b)
Ecology
c)
Genetics
d)
Taxonomy
35.

Means that offspring comes from one parent

a)
Genetic engineering
b)
Asexual reproduction
c)
Sexual reproduction
d)
Binary fission
36.

Maria is studying diabetes. She states "Drinking sugary sodas may contribute to obesity". Which steps of the scientific method is she using?

a)

Draw Conclusions

b)

Make a Prediction

c)

Ask a Question

d)

Form a Hypothesis

e)

Observation

37.

Uses "If... Then..." statements

a)

Assumption

b)

Prediction

c)

Conclusion

d)

Hypothesis

38.

Which is a qualitative statement?

a)

The sky is blue.

b)

The sidewalk is long.

c)

It is warm outside.

d)

The temperature outside is 25 degrees celsius.

39.

Which is a quantitative statement?

a)

It is sunny outside.

b)

The ice cube is melting.

c)

The Sun is 95 million miles from Earth.

d)

The temperature outside is 25 degrees celsius.

40.

Has a positive (+) charge, number of ___ determines what element belongs to

a)

Electrons

b)

Protons

c)

Neutrons

41.

Has no charge, numbers can vary amongst atoms that are the same element

a)

Electrons

b)

Protons

c)

Neutrons

42.

Has a negative charge (-) orbits around the nucleus, and is involved in forming chemical bonds

a)

Electrons

b)

Protons

c)

Neutrons

43.

Atoms with the same number of protons but different number of neutrons

a)
Elements
b)
Compounds
c)
Molecules
d)
Isotopes
44.

Atomic Number is

a)
The atomic number is the mass of an atom in atomic mass units.
b)
The atomic number is the total number of electrons in an atom.
c)
The atomic number is the number of protons in an atom.
d)
The atomic number is the number of neutrons in an atom.
45.

Atomic Mass is

a)

The number of protons an atom has

b)

Approximately equal to the number of protons and neutrons an atom has

c)

Atoms that have gained or lost electrons

d)

Atoms with the same number of protons but different numbers of neutrons

46.

Ions

a)

Atoms with the same number of protons but different number of neutrons

b)

Approximately equal to the number of protons and number of neutrons

c)

Number of protons

d)

Atoms that have gained or lost electrons

47.

Chemical bonding is

a)

Formed when one atom donates an electron to another

b)

How atoms create molecules, based on atom's electrons (e-) configurations

c)

A type of intermolecular bond that forms between polar molecules

d)

When atoms share pairs of electrons

48.

What is the outermost layer of electrons involved in forming bonds?

a)
Inner shell electrons
b)
Core electrons
c)

Valence shell

d)
Proton electrons
49.

What is the octet rule?

a)
The octet rule applies only to metals and not to nonmetals.
b)

The octet rule states that atoms are most stable when their valence shells are full with 8 electrons.

c)
Atoms prefer to have six electrons in their outermost shell.
d)
Atoms can have any number of electrons in their outermost shell without restrictions.
e)

Atoms will donate or share electrons to fill their valence shells

50.

Occurs when atoms share pairs of electrons

a)
Hydrogen bond
b)
Metallic bond
c)
Ionic bond
d)
Covalent bond
51.

Electrons that are unevenly shared between atoms and occurs when because the same atoms have a greater affinity for electrons than others

a)

Non polar

b)

Polar

52.

Occurs when electrons are evenly shared between atoms

a)

Non polar

b)

Polar

53.

A type of intermolecular bond and forms between polar molecules. A partial positive charge of 1 H2O is attracted to the partial negative charge of another H2O and is a weak bond

a)

Ionic Bond

b)

Methane Bond

c)

Hydrogen Bond

d)

Carbon Bond

54.

What are the properties of water?

a)
Water is always a gas at room temperature.
b)
Water has a low boiling point.
c)
Water is a good conductor of electricity.
d)

The properties of water include: universal solvent, high specific heat capacity, cohesion, adhesion, surface tension, capillary action, and dissociation.

55.

H2O heats and cools very slowly under this property of water

a)
high specific heat capacity
b)
low boiling point
c)
low specific heat capacity
d)
high thermal conductivity
56.

H2O dissolves other polar compounds and ionic compounds under this property of water

a)

Cohesion

b)

Adhesion

c)

Universal Solvent

d)

High Heat capacity and heat of vaporization

57.

Occurs when H2O molecules cling to each other

a)
Cohesion
b)
Condensation
c)
Adhesion
d)
Evaporation
58.

Occurs when H2O molecules cling to other surfaces

a)
Cohesion
b)
Evaporation
c)
Adhesion
d)
Condensation
59.

H2O behaves as if coated with an invisible film

a)

Surface tension

b)

Cohesion

c)

Capillary Action

d)

Adhesion

60.

H2O will climb its way up a thin tube

a)

Dissociation

b)

Cohesion

c)

Capillary Action

d)

Adhesion

61.

Occurs when atoms or groups of atoms break off from molecules and form ions

a)

Adhesion

b)

Surface Tension

c)

Capillary Action

d)

Dissociation

62.

Measures concentration of hydrogen ions in a solution with a scale from 1-14.

a)
pH scale
b)
Ion concentration meter
c)
Hydrogen index
d)
Acidity scale
63.

Is neutral on the pH scale, with H+ and OH- balance out

a)
7
b)
5
c)
8
d)
6
64.

The lower the pH scale, the higher the hydrogen ions

a)

Basic

b)

Acidic

c)

Neutral

65.

The higher you go on the pH scale, the lower the Hydrogen ions

a)

Basic

b)

Acidic

c)

Neutral

66.

Can accept hydrogen ions when too plentiful or donate hydrogen ions when too few. Can change pH in both directions

a)
Acidic solution
b)
Buffer solution
c)
Neutral solution
d)
Basic solution
67.

What element do organic molecules contain?

a)

Methane

b)

Helium

c)

Hydrogen

d)

Carbon

68.

Are molecules with same chem formula, but different arrangements, orientations, or are mirror images

a)

Ions

b)

Chemical Bonding

c)

Hydrogen Bonding

d)

Isomers

69.

Same chemical formula, but different arrangements of atoms

a)

Enantiomers

b)

Structural

c)

Geometric

70.

Geometric Isomers

a)

Same chemical formula, same arrangement, same orientation, but are mirror images

b)

Same chemical formula, but different arrangements of atoms

c)

Same chemical formula, same arrangement of atoms, but different orientations around a double bond

71.

Enantiomer Isomers

a)

Same chemical formula, same arrangement, same orientation, but are mirror images

b)

Same chemical formula, but different arrangements of atoms

c)

Same chemical formula, same arrangement of atoms, but different orientations around a double bond

72.

Are composed of repeated subunits called monomers, assembled by dehydration synthesis, and broken apart by hydrolysis

a)
Polymers
b)
Lipids
c)
Carbohydrates
d)
Nucleotides
73.

What three elements are carbohydrates composed of?

a)

Methane, Ammonia, and Water

b)

Helium, Oxygen, and Carbon

c)

Hydrogen, Helium, and Ammonia

d)

Carbon, Hydrogen, and Oxygen

74.

Composed of the same three elements: Carbon, Hydrogen, and Oxygen

a)
Nucleic Acids
b)
Vitamins
c)
Minerals
d)

Carbohydrates

75.

What is the ratio for carbon, hydrogen, and oxygen?

a)
3:2:1
b)
2:1:2
c)
1:2:1
d)
1:1:2
76.

Monosaccharides

a)

Composed of two sugar monomers

b)

Composed of one sugar monomer, also called "One sweet"

c)

Composed of four or more sugar monomers, and are known as
"complex carbs" and are slowly digested with no sweet flavor

77.

Polysaccharides

a)

Composed of one sugar monomers and mean "one sweet"

b)

Composed of two sugar monomers

c)

Contain four or more sugar monomers and are called "complex carbs" because they are slowly digested with no sweet flavor

78.

Energy storage of plants, a polymer of glucose

a)

Lipids

b)

Cellulose

c)

Starch

d)

Glycogen

79.

Energy storage in animals and a polymer of glucose

a)

Cellulose

b)

Glycogen

c)

Starch

80.

Plant cell walls, and is a polymer of glucose

a)

Glycogen

b)

Cellulose

c)

Starch

81.

Contain no common structure, no common structure, not polymers

a)

Lipids

b)

Carbohydrates

c)

Polymers

d)

Proteins

82.

Are hydrophobic compounds

a)

Carbohydrates

b)

Proteins

c)

Polymers

d)

Lipids

83.

What are hydrophobic compounds?

a)

Hydrophobic compounds are nonpolar substances that are not soluble in water

b)
Hydrophobic compounds are polar substances that attract water.
c)
Hydrophobic compounds are substances that easily dissolve in water.
d)
Hydrophobic compounds are water-soluble substances that mix well with liquids.
84.

What are Triglycerides?

a)
Triglycerides are vitamins that help in nutrient absorption.
b)
Triglycerides are a type of protein found in the blood.
c)
Triglycerides are carbohydrates that provide energy to the body.
d)

Triglycerides are fats and oils composed of glycerol and three fatty acids

85.

Are single bonds, contain maximum number of hydrogen

a)

Phospholipids

b)

Unsaturated fats

c)

Waxes

d)

Steroids

e)

Saturated fats

86.

Are from animals, solid at room temperature, and energy storage

a)
Carbohydrates
b)

Saturated Fats

c)

Unsaturated Fats

d)
Vitamins
87.

Unsaturated Fats

a)

Compose cell and organelle membranes

b)

Used to create waterproof barriers

c)

Composed of four fused rings

d)

All single bonds, contain maximum number of hydrogens and are from animals, solid at room temperature, with energy storage

e)

Contain more than one double bonds but don't contain maximum number of hydrogens, generally from plants

88.

Which are used to create waterproof barriers?

a)

Phospholipids

b)

Unsaturated Fats

c)

Waxes

d)

Saturated Fats

e)

Steroids

89.

Phospholipids

a)

Compose cell and organelle membranes and are amphipathic

b)

All single bonds, contain maximum number of hydrogens

c)

Contain maximum number of hydrogens

d)

Composed of four fused rings

90.

Is composed of four fused rings structural (cholesterol) or chemical signaling (testosterone)

a)

Saturated fats

b)

Unsaturated fats

c)

Steroids

d)

Phospholipids

e)

Waxes

91.

Polymers of amino acids linked to peptide bonds (Polypeptides) with a complex 3D shape

a)

Saturated Fats

b)

Proteins

c)

Waxes

d)

Phospholipids

e)

Steroids

92.

What is denaturation?

a)
Denaturation is the process of protein synthesis.
b)
Denaturation refers to the replication of DNA.
c)
Denaturation is the process of folding proteins into their functional shapes.
d)

Denaturation is the loss of 3D shape and function.

93.

Fats that are solid at room temperature

a)
Saturated fats
b)
Polyunsaturated fats
c)
Unsaturated fats
d)
Trans fats
94.

Fats that are liquid at room temperature

a)
Unsaturated fats
b)
Cholesterol
c)
Trans fats
d)
Saturated fats
95.

Are polymers of nucleotides, linked by phosphodiester linkage, and share information

a)
Nucleic acids (DNA and RNA) are polymers of nucleotides linked by phosphodiester linkage.
b)
Proteins are polymers of amino acids linked by peptide bonds.
c)
Carbohydrates are polymers of monosaccharides linked by glycosidic bonds.
d)
Lipids are polymers of fatty acids linked by ester bonds.
96.

Has a double helix

a)

RNA

b)

DNA

97.

Has a single helix

a)

RNA

b)

DNA

98.

What does it mean when the two strands of DNA molecule are describes as complementary?

a)
Complementary strands of DNA have base sequences that pair specifically (A with T, C with G).
b)
Complementary strands of DNA are formed by random base pairing.
c)
Complementary strands of DNA do not interact with each other.
d)
Complementary strands of DNA are identical in sequence.
99.

What does it mean when the two strands of DNA are antiparallel?

a)
Antiparallel refers to the strands being of different lengths.
b)
Antiparallel indicates that the strands are connected at both ends.
c)
Antiparallel means the strands are identical in direction.
d)
Antiparallel means the two strands of DNA run in opposite directions.
100.

Speeds up chemical reactions, lowers activation energy required to initiate reactions and increases the rate.

a)
Pressure
b)
Heat
c)
Enzymes
d)

Ions

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