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MEGA REVIEW!
MEGA REVIEW!
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A science review for the first 3 quarters of school.
Flashcards
91 cards
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Practice quiz
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Host live
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Questions
91
Answers
1
How do you determine the number of neutrons an atom has?
The atomic number
The mass number minus the atomic number
The mass number
The atomic number minus the mass number
2
When an organism produces many offspring it is considered _
advantage of sexual reproduction
disadvantage of sexual reproduction
disadvantage of asexual reproduction
advantage of asexual reproduction
3
Which element is more reactive, O or F?
F
O
4
When an organism can reproduce without traveling to find a mate it is considered _____
advantage of asexual reproduction
disadvantage of sexual reproduction
disadvantage of asexual reproduction
advantage of sexual reproduction
5
How many parts are there to the cell theory?
2
3
4
1
6
What is found in the nucleus?
Electrons
Protons
Protons and electrons
Protons and neutrons
7
Where did the Hydrogen from the methane go? What new molecule is it part of?
Water
Carbon Dioxide
Oxygen
8
How is meiosis like mitosis?
They both have the same goal
They create the same thing
They both use the same steps
9
What is the job of lysosomes?
To break down sugars
To break down unneeded parts
To capture sunlight
To store waters
10
How many valence electrons does this atom have?
2
4
7
6
11
All offspring of a white mouse and black mouse are white, what is the genotype of black mouse?
bb
bB
BB
Bb
12
What part of the cell is the control center?
mitochondria
cell membrane
nucleus
nucleolus
13
Is this equation balanced?
No
Yes
14
If you cross BB and Bb, what is the chance you will have a homozygous recessive offspring?
25%
100%
0%
75%
15
How many electrons does this atom have?
4
6
2
7
16
Which of the following is a sign that a chemical reaction has occurred?
Change in size
Light created
Change in shape
Change in color
17
What is the job of the Cell wall?
for protection of the cell
it has no purpose
to control what comes in and out of the cell
to provide structure
18
Which Element is a nonmetal with the least number of valence electrons?
Rn
He
C
H
19
__________________ and ______________ are both words referring to two of the same alleles.
homozygous, hybrid
heterozygous, purebred
homozygous, purebred
heterozygous, hybrid
20
What is the atomic number of this atom?
6
24
16
8
21
An organism that is made of more than 1 cell is called _________
alotocells
many celled
multicellular
unicellular
22
How do you determine the number of protons an atom has?
The atomic number
The number of electrons
The mass number
The mass number minus the atomic number
23
A _____ is found in eukaryotic cells and not prokaryotic cells
ribosome
flagella
cytoplasm
nucleus
24
What element has 3 valence electrons and 3 orbitals?
Sc
Al
La
Ga
25
What is the most abundant green house gas?
Carbon Dioxide
Water Vapor
Argon
Methane
26
Which letter represents telophase?
D
A
B
C
27
Which letter represents anaphase?
D
A
C
B
28
Which scientist added the third part to cell theory?
Virchow
Hooke
Schleiden
Schwann
29
____________ is known as the father of ____________
Mendel, Genetics
Mendel , Heredity
Mendeleev, Genetics
Mendeleev, Heredity
30
Where does cellular respiration take place?
chloroplast
mitochondria
31
Which scientist coined the term cells?
Virchow
Hooke
Schleiden
Schwann
32
Humans are made of ________ cells
Eukaryotic
Prokaryotic
33
What is the green pigment that absorbs sunlight called?
chloroplast
cytoplasm
chlorophyll
cell wall
34
What is the composition of the atmosphere?
78% Nitrogen, 21% Oxygen, 1% Other stuff
75% Nitrogen, 24% Oxygen, 1% other stuff
75% Oxygen, 24% Nitrogen, 1% other stuff
75% Oxygen, 24% Nitrogen, 1% other stuff
35
The gelatin-like substance that fills cells is called what?
Gelatin
Chloroplast
Cytoplasm
Jelly
36
How many Hydrogen atoms are on the reactants side?
6
3
5
2
37
Which letter represents prophase?
B
A
D
C
38
How many protons does this atom have?
12
6
2
4
39
What are the three steps of the cell cycle?
Prophase, metaphase, anaphase, telophase
interphase, mitosis, cytokinesis
40
Where are ribosomes made?
Nucleolus
Golgi Bodies
Nucleus
Rough ER
41
Which layer of the atmosphere do we live in?
Thermosphere
Stratosphere
Mesosphere
Trosphere
42
The substances that go into a reaction are called what?
Arrow
Products
Yield
Reactants
43
The substances that come out of a reaction are called what?
Arrow
Reactants
Yield
Products
44
How are vacuoles different in plant and animal cells?
Plant cells have one large and animal cells have many small
Plants have one and animal cells don't
Plant cells have many small and animal cells have one large
Both are the same
45
Which element is more reactive, Br or Kr?
Br
Kr
46
When an organism only produces a few offspring it is considered _
disadvantage of sexual reproduction
disadvantage of asexual reproduction
advantage of asexual reproduction
advantage of sexual reproduction
47
What process happens in the chloroplast?
Photosynthesis
Cellular respiration
48
Is this equation balanced?
No
Yes
49
A specific characteristic of an organism is called a _____________.
trait
characteristic
gene
chromosome
50
What organelle is this?
chloroplast
nucleus
golgi bodies
cytoplasm
51
Which phase is represented by B?
interphase
anaphase
telophase
prophase
52
What is the coefficient of the Methane on the reactants side of the equation?
6
1
4
2
53
If you cross Bb and Bb, what is the chance you will have a homozygous recessive offspring?
25%
0%
75%
100%
54
What is the negative part of an atom called?
An electron
A negatron
A neutron
A proton
55
What is the positive part of an atom called?
A neutron
An electron
A proton
A nucleus
56
What period on the periodic table would you find this atom in?
6
2
4
1
57
__________________ and ______________ are both words referring to two different alleles.
heterozygous, purebred
heterozygous, hybrid
homozygous, hybrid
homozygous, purebred
58
What Group number does this atom have?
2
3
4
6
59
What is the job of the mitochondria?
to pack and ship proteins
to make energy for the cell
to transport proteins
to protect the cell
60
What does diploid mean
half a set of chromosomes
a full set of chromosomes
61
What is the neutral part of an atom called?
An electron
A nucleus
A proton
A neutron
62
When a clone is produced is considered ________ reproduction.
asexual
sexual
63
Where do you find the lysosomes?
both plant and animal cells
Animal cells
Plant Cells
64
What is the job of the Endoplasmic Reticulum?
The power house of the cell
moving things around the cell
shipping and receiving proteins
Making proteins
65
Where are proteins made?
ribosomes
nucleus
DNA
nucleolus
66
What is the purpose of mitosis?
for the cell to divide
to divide the nucleus
to create a new cell
to duplicate the DNA
67
Who is credited for organizing the first 2 parts of cell theory?
Schwann
Leeuwenhok
Hooke
Schleiden
68
Which metalloid has 2 orbitals?
Si
Ge
Po
B
69
Which element is more reactive, F or Cl?
F
Cl
70
A __________ is the tool used to predict the probability of certain genotypes in offspring.
pie chart
punnett square
pedigree
71
What organelle is this?
Nucleus
Smooth ER
Rough ER
Golgi Bodies
72
What are the layers of the atmosphere in order from closest to Earth out?
stratosphere mesosphere troposphere thermosphere exosphere
troposphere mesosphere stratosphere exosphere thermosphere
exosphere thermosphere mesosphere stratosphere troposphere
troposphere stratosphere mesosphere thermosphere exosphere
73
What is created in a chemical reaction?
new molecules with the same properties
same molecules with new properties
new molecules with new properties
nothing
74
The Statue of Liberty is an example of a chemical reaction, because...
Change in size
Its tall
It was painted, changed color
New color created
75
The organelle responsible for
transporting
proteins and lipids through the cell is called what?
Endoplasmic Reticulum
Nucleus
Golgi bodies
Ribosomes
76
Where does photosynthesis take place?
chloroplast
mitochondria
77
The semi-permeable layer that surrounds the cell is called what?
cell wall
cell membrane
nuclear wall
nuclear membrane
78
Which is NOT a purpose of the cell cycle?
Development
Repair
Growth
Replacement
79
What is the correct order of the scientist additions to the cell theory?
Hooke, Leeuwenhoek, Schwann, Schleiden, Virchow
Hooke, Leeuwenhoek, Schleiden, Schwann, Virchow
Leeuwenhoek, Hooke, Schleiden, Schwann, Virchow
Virchow, Schleiden, Schwann, Hooke, Leeuwenhoek
80
A ___________ the the basic building block of heredity.
gene
chromosome
trait
characteristic
81
When there is genetic variation in offspring it is considered _______
disadvantage of asexual reproduction
advantage of sexual reproduction
advantage of asexual reproduction
disadvantage of sexual reproduction
82
What element is a Nobel Gas with 4 orbitals?
Ne
Ar
Kr
He
83
What is produced in meiosis?
to create new cell
to create offspring
to create gametes
to create diploid cells
84
What determines how reactive an element is?
The number of valence electrons only
The number of valence electrons and orbitals
The number of protons
The number of orbitals only
85
How many Hydrogen gas molecules are in this formula?
3
6
2
5
86
two identical daughter cells are created in this process. _____________
Mitosis
Meiosis
87
reproduction that takes place with two parents is considered _
asexual
sexual
88
What organelle stores water in the cell?
cytoplasm
mitochondria
lysosomes
vacoule
89
4 genetically different cells are created during this process. __________
Mitosis
Meiosis
90
What is this?
Cytoplasm
Chlorophyll
Cell Wall
Cell membrane
91
What organelle is this?
mitochondria
nucleus
ribosome
golgi body
