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8th F.E. Review 3 (Genes and Heredity)

Total questions: 131

Worksheet time: 6hrs 20mins

Name
Class
Date
1.

Who is Gregor Mendel

a)

an Austrian Monk from the mid 1800s who contributed to the study of Genetics

b)

The scientist who discovered the structure of DNA

c)

a British scientist who discovered penicillin

d)

The scientist who used X-Ray Crystallography to shed light on the structure of DNA

2.

What did Gregor Mendel study?

a)

Mold Spores

b)

Pea Plants

c)

Sun Flowers

d)

Rats

3.

What did Mendel notice?

a)

Most pea flowers were tall, and some were purple.

b)

Most of the pea flowers were white, but a few were purple.

c)

Most of the pea flowers were purple, but a few were white.

d)

Most pea flowers were short, and some were white.

4.

If the dominant trait is having freckles (F) and the recessive trait is no freckles (f), which allele combination(s) below would represent a person who has freckles? (select all that apply)

a)

FF

b)

Ff

c)

ff

5.

Which of the following allele pairs is homozygous?

a)

Ee

b)

BB

c)

Tt

6.
What is heredity?
a)
traits passing from offspring to parents
b)
plants that are cross-pollinated
c)
traits passing from parents to offspring
d)
the ratio of dominant to recessive traits
7.

Look at the punnett square. What is the probability that the offspring's alleles will be homozygous dominant?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

8.
When writing allele pairs, the dominant allele is written as a 
a)
capital letter
b)
lower case letter
c)
a number
9.

An organism’s genetic makeup

a)

genotype

b)

phenotype

c)

homozygous

d)

heterozygous

10.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
11.

Recessive alleles are represented by a:

a)
Male gene
b)
lowercase letter
c)

dominant trait

d)

capital letter

12.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
13.

Aa, DD, Ba, and yy are all examples of ---

a)

genotypes

b)

phenotypes

14.

What is an independent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

15.

What is an dependent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

16.

Something that you keep the same in an experiment is called a(n) _________________________.

a)

variable

b)

control

c)

procedure

d)

conclusion

17.

What is this piece of lab equipment called?

a)

Beaker

b)

Graduated cylinder

c)

Test tube

d)

Funnel

18.

slender tube attached to a bulb, used for transferring or measuring out small quantities of liquid, especially in a laboratory

a)

pipette

b)

graduated cylinder

c)

beaker

19.
What kind of glassware is pictured here?
a)
Beaker
b)
Flask
c)
Pipette
d)
Graduated Cylinder
20.
a)

evaporation

b)

watch glass

c)

mortar and pestle

d)

funnel

21.

The amount of matter in an object

a)

Mass

b)

Volume

c)

Length

22.

Units used to measure Mass of an object

a)

Centimeters

b)

Milliliters

c)

Grams

23.

Find the mass.

a)

550.4 g

b)

559.4 g

c)

550.6 g

24.

Find the mass.

a)

5 g

b)

0.5 g

c)

0.2 g

25.

Find the mass.

a)

285.3 g

b)

275.5 g

c)

275.3 g

26.

What is the value on the balance?

a)

480.5 g

b)

840.05 g

c)

408 g

27.

What is the value on the balance?

a)

240.0 g

b)

142.0 g

c)

100.4 g

28.

How much liquid is in this graduated cylinder?

a)

20 mL

b)

13 mL

c)

15 mL

d)

11 mL

29.

How much liquid is in this graduated cylinder?

a)

30 mL

b)

35 mL

c)

34 mL

d)

32 mL

30.

How much liquid is in this graduated cylinder?

a)

84 mL

b)

80 mL

c)

85 mL

d)

82 mL

31.
What is the scale on this graduated cylinder?
a)
.1 mL per line
b)
.2 mL per line
c)
.5 mL per line
d)
1 mL per line
32.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
33.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
34.
What is the scale on this graduated cylinder?
a)
.1 mL per line
b)
.2 mL per line
c)
.5 mL per line
d)
1 mL per line
35.
What is the volume of the liquid in this graduated cylinder?
a)
43 mL 
b)
30.7 mL 
c)
37 mL 
d)
38 mL
36.

Which is the smallest?

a)

liter

b)

mililiter

c)

hectoliter

d)

deciliter

37.

Which one is the largest

a)

Kilometer

b)

decimeter

c)

meter

38.

55 mm = ___________ cm

a)

0.55

b)

5.5

c)

550

d)

5,500

39.

32.9 km = ___________ cm

a)

32,900

b)

329,000

c)

3,290,000

d)

32,900,000

40.

330 cm = ___________ m

a)

3,300

b)

33

c)

3.3

d)

0.33

41.

56 L = ___________ mL

a)

560

b)

5,600

c)

56,000

d)

560,000

42.

159.7 g = ___________ kg

a)

0.1597

b)

1.597

c)

15.97

d)

1597

43.

68 cm = ___________ mm

a)

0.68

b)

6.8

c)

68

d)

680

44.

3 km = ___________ mm

a)

30

b)

300

c)

3,000

d)

3,000,000

45.

1000 m = ___________ km

a)

100

b)

10

c)

1

d)

0.1

46.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

47.

2,804 mg = ___________ g

a)

0.2804

b)

2.804

c)

28.04

d)

280.4

48.

An object is _____ if its position changes.

a)

in motion

b)

at rest

c)

a reference point

d)

a frame of reference

49.

Reference point is

a)

moving

b)

non moving

c)

changing

d)

speed

50.

Any change in the location or position of an object.

a)

Distance

b)

Mass

c)

Motion

d)

Reference Point

51.

the process, act or result of changing place or position.

a)

Motion

b)

position

c)

speed

d)

velocity

52.
A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)?
a)
0.02 km/hr
b)
1,800 km/hr
c)
50 km/hr
d)
50 km
53.
A storm is moving toward your house at a speed of 20 km/hr.  It is now 60 km away from your house.  In what time will the storm reach your house?
a)
0.3 hours
b)
1200 hours
c)
3 km
d)
3 hours
54.
An airplane leaves Orlando, FL and travels 540 miles to Washington D.C. The flight takes 90 minutes. What is the speed of the plane?
a)
0.17 m/s
b)
6 m/s
c)
6 s 
d)
480 m/s
55.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

56.

If there are two forces going in the same direction how would you find the net force?

a)
Subtract
b)
Add
c)

Divide

d)
Multiply
57.
Look at the diagram. What would be the direction of the motion ?
a)
movement to the left
b)
movement to the right
c)
no movement
58.

If there are two forces going in opposite directions how would you find the net force?

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

59.

What is the net force in this example?

a)

200 N left

b)

125 N right

c)

50 N left

d)

75 N right

60.
Which graph is showing acceleration (getting faster)
a)
D
b)
E
c)
both D and E
d)
neither D or E
61.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
62.
Acceleration is due to a force put on an objects mass. 
a)
1st
b)
2nd
c)
3rd
63.
F = MxA
a)
1st
b)
2nd
c)
3rd
64.
Object at rest stays at rest.
a)
1st
b)
2nd
c)
3rd
65.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
66.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
67.

Which of the following is an example of balancing forces?

a)

A Book resting on the table.

b)

A pencil is knocked off the desk.

68.

A push or a pull is called a

a)

Gravity

b)

Force

69.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

70.

There are four types of friction. What are those four called?

a)

sliding, rolling, static, and fluid

b)

slipping, sliding, falling, and fluid

c)

slipping, sliding, static, and flowing

d)

falling, sliding, moving and gravity

71.

What type of friction will you have when two objects slide against each other?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

72.

What type of friction will you see when two objects roll across each other?

a)

Static

b)

Sliding

c)

Fluid

d)

Rolling

73.

What type of friction will you see when air or liquid slows an objects movement?

a)

Rolling

b)

Fluid

c)

Static

d)

Sliding

74.

What type of friction will you see when an object that is still rests on top of another solid surface?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

75.

What type of friction will slow down the rolling soccer ball?

a)

Fluid

b)

Sliding

c)

Rolling

d)

Static

76.

What kind of friction will slow down a kid that goes down the slide?

a)

Static

b)

Rolling

c)

Fluid

d)

Sliding

77.

What kind of friction slows down the movement of the swimmer?

a)

Fluid

b)

Static

c)

Sliding

d)

Rolling

78.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
79.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
80.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
81.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
82.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
83.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
84.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
85.

Most of the mass of an atom is found in the ______.

a)

nucleus

b)

proton

c)

electron cloud

d)

isotope

86.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
87.

The smallest particle with characteristics of an element is known as the

a)

Periodic Table

b)

Atom

c)

Proton

d)

Electron

88.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
89.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
90.

From this element key of Nitrogen, determine the atomic mass of nitrogen

a)

7

b)

7.01

c)

14.01

d)

21.01

91.

Look at the periodic table. Which list of elements forms a group on the periodic table?

a)

Li, Be, B, C, N, O, F, and Ne

b)

He, Ne, Ar, Kr, Xe, and Rn

c)

B, Si, As, Te, and At

d)

Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Ni, and Zd

92.

What do we call the one or two letter abbreviations for elements on the Periodic Table?

a)

Chemical Symbol

b)

Period

c)

Family

93.

What does the atomic number tell us about an element?

a)

number of neutrons

b)

number of protons

c)

number of isotopes

d)

atomic mass

94.

Using this section of the periodic table, how many protons does an atom of Calcium have?

a)

20

b)

40.078

c)

24

d)

132.905

95.

The mass of the atom is determined by the ______ and ______.

a)

Protons and Electrons

b)

Protons and Neutrons

c)

Electrons and Neutrons

96.

If something has an atomic number of 11 and 5 neutrons, how many protons does it have?

a)

impossible to tell

b)

11

c)

5

d)

6

97.

What is the atomic number of Oxygen?

a)

8

b)

15

c)

16

d)

7

98.

How many neutrons in Fluorine?

a)

9

b)

18

c)

19

d)

10

99.

If someone told you they had an atom that had 10 protons and 11 neutrons, what would the mass of that atom be?

a)

10

b)

11

c)

21

d)

1

100.

If I had an atom with 5 electrons and 5 protons, what is its atomic number?

a)

5

b)

10

c)

15

d)

20

101.

If an atom had a mass of 20, and 5 protons, how many neutrons does it have?

a)

20

b)

5

c)

15

d)

25

102.

What is the atomic mass?

a)

58.693

b)

28

103.

atomic number

a)

gas at room temperature, low boiling point

b)

a subatomic particle that has a negative charge

c)

number or protons and neutrons

d)

the number of protons in the nucleus of an atom

104.
Which is an electron?
a)
A
b)
B
c)
C
105.

Who is the creator of the periodic table of elements?

a)

Hank Green

b)

Dmitri Mendeleev

c)

De Chancourtois

d)

Michael Aranda

106.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

107.

How many valence electrons should Lithium have in its Lewis dot model?

a)

1

b)

2

c)

3

d)

4

108.

This is a correct dot diagram for nitrogen (N)

a)

true

b)

false

109.

This is a correct dot diagram for carbon (C)

a)

true

b)

false

110.

Freshly brewed black coffee

a)

Heterogeneous

b)

Homogeneous

111.

Lucky Charms

a)

Heterogeneous

b)

Homogeneous

112.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
113.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
114.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
115.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
116.
Which of the following examples shows that a chemical reaction has occurred? 
a)
A rock breaks into smaller pieces when it is struck with a hammer.
b)
Rust forms on a hammer that has been left outside to long. 
c)
A cup of water turns pink when a few drops of red food coloring are added. 
d)
A solid is formed when heat is removed from a sample of water. 
117.

How many hydrogen atoms are in this water molecule?

(a)  

118.

How many atoms are in this chemical formula?

(a)  

119.
What is HCl
(hydrochloric acid) made up of?
a)
1 hydrogen, 1 carbon,  1 Iodine
b)
1 hydrogen & 2 carbons
c)
1 hydrogen & 1 chlorine
d)
1 hydrogen & 2 chlorine
120.
What is H2SO4 
(Sulfuric Acid) made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
121.

How many total atoms are in one molecule of Glucose (C6H12O6)

a)

1

b)

3

c)

12

d)

24

122.

Which of the following chemical formulas represents a molecule made of 1 potassium, 1 nitrogen, and 3 oxygen atoms?

a)

KNO3

b)

PNO3

c)

PNo3

d)

KNo3

123.

How many molecules are there?

a)

1

b)

2

c)

3

d)

8

124.

How many hydrogen atoms are there?

a)

30

b)

9

c)

24

d)

8

125.

A balanced equation shows that mass was not created or destroyed, so it supports the law of

a)

Conservation of Mass

b)

Periodic Tables

c)

Conservation of Elements

d)

Survival of the Fittest

126.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
127.
Is this balanced?...
Al + O2 --> 2Al2O3
a)
Yes!
b)
NO!
128.
Why is the following chemical equation not balanced?
H2 + O2 --> H2O
a)
each side of the equation has a different number of oxygen atoms
b)
each side of the equation has a different number of hydrogen atoms
c)
each side has the same mass
129.
What coefficient should be used to make the following equation balanced?
N2+O2--> _NO 
a)
1
b)
2
c)
3
d)
4
130.

The small numbers in a chemical formula:

(the BLUE numbers)

a)

Subscripts

b)

Coefficients

c)

Numbers

d)

Molecules

131.

Is this equation balanced?

a)

Yes, everything appears the same amount on each side.

b)

No, there are too many hydrogen on the left side.

c)

No, there are too many oxygen on the left side.

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