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Bio1A Test 1 Review

Total questions: 90

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

A student wants to perform a science experiment about plants. He wants to know if a certain type of soil will make plants grow taller. Each pot will receive a different type of soil, but will get the same type of seed, water amount, and sunlight amount.What is the Independent Variable in this story?

a)

Amount of sunlight

b)

How tall the plant will grow

c)

Amount of water

d)

Type of material the plant is growing in

2.

What do you measure for results (outcome)?

a)

Dependent variable

b)

Hypothesis

c)

Experimental Group

d)

Constants

3.

If an animal shelter wants to see if a certain dog food causes a dog to gain weight, which of the following would NOT be a constant?

a)

Type of dog food given

b)

Amount of dog good given

c)

Time of day food is given

d)

Amount of exercise dog is given

4.

This bar graph shows the number of cheeseburgers sold at McYummies drive thru last week. Study the graph and answer the following question.

What was the maximum number of burgers sold, and on which day was this?

a)

30 burgers on Tuesday

b)

60 Burgers on Thursday

c)

20 Burgers on Thursday

d)

25 Burgers on Monday

5.

Which of the following is not an example of quantitative data?

a)

Temperature

b)

Speed

c)

Height

d)

Texture

6.

Why do many experiments include several trials instead of a single trial?

a)

Repetition of trials increases the accuracy of the results

b)

Repetition of trials decreases the sample size of the experiment.

c)

Repetition of trials makes data easier to analyze.

d)

It is not necessary to repeat trials

7.

Quantitative data can be

a)

seen

b)

measured

c)

manipulated

d)

heard

8.

How is a hypothesis different from a theory?

a)

A theory has evidence to back it up and a hypothesis is an educated guess as to what is going to happen.

b)

They are both the same. They both are guesses as to what happens in the natural world.

c)

A theory is an opinion about how something works but a hypothesis has scientific evidence to support it.

d)

A hypothesis is used in science and a theory is used in society.

9.

Qualitative data uses

a)

a thermometer

b)

your different senses

c)

a test tube

d)

a ruler

10.

A _ is a standard for comparison.

a)

hypothesis

b)

control

c)

dependent variable

11.

The _ is an organized set of investigation procedures used by scientists.

a)

scientific method

b)

scientific law

c)

scientific theory

12.

The factor whose value depends on the independent variable is the _.

a)

experiment

b)

constant

c)

dependent variable

13.

A rule of nature that sums up related observations to describe a pattern in nature is a _.

a)

scientific law

b)

hypothesis

c)

scientific theory

14.

A _ is an explanation based on experiments or the most logical explanation.

a)

hypothesis

b)

scientific law

c)

scientific theory

15.

The _ is the base metric unit of liquid volume.

a)

gram

b)

liter

c)

ounce

16.

The part of an experiment in which all conditions are kept the same is the _.

a)

constant

b)

control

c)

conclusion

17.

Which of the following words is used to describe a set of measurements that are closely grouped together, but not necessarily close to the actual value.

a)

precise

b)

accurate

18.

Which of the following words is used to describe a set of measurements that on average are close to the actual value, but not necessarily close to each other.

a)

precise

b)

accurate

19.

Jane Goodall spent years with the chimpanzees of Gombe. Sitting quietly for hours, she watched the animals closely and took notes about their behavior.  What was Jane Goodall doing?

a)

Testing Variables

b)

Making Observations

c)

Watching a Control Group

d)

Creating a Theory/Law

e)

Making an Inference

20.

Which of the following statements about a controlled experiment is true?

a)

All variables must be kept the same.

b)

You should only test one variable at a time.

c)

Controlled experiments must be completed within a lab.

d)

The whole purpose of experiments is to prove your hypothesis was right. We collect data to support our hypothesis.

21.

What is reasoning?

a)

Answers a question

b)

Explaining how evidence supports a claim

c)

Used to prove something true or false

22.

What is the difference in the number of people who prefer purple over red as their favorite color?

a)

3

b)

5

c)

7

d)

9

23.

Identify the substance with the HIGHEST density.  ** Refer to the key

a)

A

b)

B

c)

C

d)

The data provided does not allow for a determination.

24.

Information gathered using your 5 senses is called an

a)

Observation

b)

Inference

25.
Which of the following statements is an inference about the picture
a)
The vase is broken.
b)
The girls' bow is blue and purple.
c)
The girl broke the vase.
d)
The girl has blonde hair.
26.
A negatively charged particle moving around the nucleus of an atom
a)
neutron
b)
proton
c)
electron 
d)
ion
27.
What particle is found in the nucleus and has no charge?
a)
electron
b)
neutron
c)
proton
d)
atom
28.
An atom becomes negatively charged by
a)
gaining an electron
b)
losing an electron
c)
losing a proton
gaining a neutron
29.
Number of protons that an atom has
a)
Atomic symbol
b)
Atomic Number
c)
Atomic Mass
d)
Mass Number
30.
Bond created by the sharing of electrons
a)
Ionic Bond
b)
Hydrogen Bond
c)
Covalent Bond
d)
van der Waals
31.
A charged atoms (caused by gain or loss of electrons)
a)
Ion
b)
molecule
c)
element
d)
compound
32.
What is the smallest unit of matter that cannot be broken down by chemical means?
a)
Atom
b)
Element
c)
Ion
d)
Isotope
33.
What is the strongest of all the bonding types?
a)
Covalent
b)
Ionic
c)
Hydrogen
d)
Metallic
34.

A negatively charged particle is called

a)

cation

b)

ion

c)

anion

d)

electron

35.

A positively charged particle is called

a)

cation

b)

ion

c)

anion

d)

electron

36.

Atomic mass is made up of what two subatomic particles

a)

protons and electrons

b)

electrons and neutrons

c)

protons and neutrons

d)

protons and anions

37.

If the atomic mass of Nickel is 59 and the atomic number is 28, How many neutrons does it have?

a)

28

b)

59

c)

77

d)

31

38.

If the atomic mass of Nickel is 59 and the atomic number is 28, How many electrons does it have?

a)

28

b)

59

c)

77

d)

31

39.

The path in which an electron travels is called?

a)

electron cloud

b)

orbit/shell

c)

cation

d)

electron

40.

Outermost electrons are called

a)

valence electrons

b)

bonding electrons

c)

electron cloud

d)

valence protons

41.

The Groups on the periodic table tell you what piece of information?

a)

how many valence electrons

b)

how many shells/orbits

c)

how many electrons

d)

how many protons

42.

The periods on the periodic table tell you what piece of information?

a)

how many valence electrons

b)

how many shells/orbits

c)

how many electrons

d)

how many protons

43.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
44.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
45.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
46.

If an atom has no charge, which of the following must be true?

a)

It has more neutrons than protons or electrons.

b)

There are only neutrons inside the atom.

c)

Its number of protons is equal to its number of electrons.

d)

The neutrons in the atom outnumber the electrons and protons.

47.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
48.

water is a dissolver so we call it

a)

solvent

b)

solute

c)

mixture

d)

solution

49.

Water has an unequal electron distribution this is called

a)

polar

b)

non-polar

c)

cohesion

d)

solution

50.

salt in salt water is called

a)

solvent

b)

non-polar

c)

solute

d)

solution

51.

same substance sticks to itself

a)

adhesion

b)

hydrogen bond

c)

cohesion

d)

capillary action

52.

a substance sticks to other substances

a)

adhesion

b)

hydrogen bond

c)

cohesion

d)

capillary action

53.

equal distribution of electrons

a)

polar

b)

cohesion

c)

happy molecules

d)

non-polar

54.

primary energy source

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

55.

monomer is amino acid

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

56.

monomer is fatty acid + glycerol

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

57.

monomer is nucleotide

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

58.

transmits heredity material and stores it

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

59.

fights infection

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

60.

controls rate of chemical reactions; relates to metabolism

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

61.

repairs and rebuilds tissue and organs

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

62.

cell membrane is composed of this

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

63.

DNA

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

64.

glycogen

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

65.

animals who hibernate need this for long term energy and insulation

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

66.

does not mix with water because is it non-polar

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acid

67.

long term energy storage in plants; stored in roots

a)

starch

b)

hormones

c)

antibodies

d)

glycogen

68.
Why are macromolecules also known as "polymers?"
a)
They are large molecules made up of many monomers. 
b)
They are large molecules added together. 
c)
There are many types of macromolecules. 
d)
Many organisms have macromolecules.
69.
All biological macromolecules are organic, meaning they have ________ and hydrogen bonds.
a)
Carbon
b)
Hydrogen
c)
Nitrogen
d)
Oxygen
70.
What are the monomers (building blocks) of CARBOHYDRATES?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
71.
What are the monomers (building blocks) of PROTEINS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
72.
What are the monomers (building blocks) of NUCLEIC ACIDS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
73.
What are the monomers (building blocks) of LIPIDS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
74.
What is the primary function of CARBOHYDRATES?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
75.
What is the primary function of PROTEINS?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
76.
What is the primary function of LIPIDS?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
77.
What is the primary function of NUCLEIC ACIDS?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
78.
The food in the image is full of which macromolecule?
a)
Carbohydrates
b)
Lipids
c)
Proteins
79.
The food in the image is full of which macromolecule?
a)
Carbohydrates
b)
Lipids
c)
Proteins
80.
Lipids are "hydrophobic" or "water fearing." What does this mean?
a)
Lipids and water do not mix.
b)
Lipids mix well with water.
81.
The fact that lipids are hydrophobic means they are able to...
a)
Create barriers
b)
Build muscle
c)
Speed up reactions
d)
Provide energy
82.
The FUNCTION of any macromolecule is determined by its ______________.
a)
structure
b)
pH
c)
strength
d)
dissolvability
83.
Carbohydrates are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
84.
Lipids are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
85.
Proteins are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
86.
Nucleic acids are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
87.
The image contains an example of which biological macromolecule?
a)
Carbohydrate
b)
Protein
c)
Nucleic Acid
d)
Lipid
88.
The image contains an example of which biological macromolecule?
a)
Carbohydrate
b)
Protein
c)
Nucleic Acid
d)
Lipid
89.
The image contains an example of which biological macromolecule?
a)
Carbohydrate
b)
Protein
c)
Nucleic Acid
d)
Lipid
90.

The 1:2:1 ratio of carbon to hydrogen to oxygen is seen in which group of macromolecules?

a)

carbohydrates

b)

proteins

c)

lipids

d)

nucleic acids