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WorksheetsBiology 2: Qualifying Assessment V2.0
Total questions: 120
Worksheet time: 4hrs 0mins
Name
Class
Date
1.
Nutrients like carbon and nitrogen are recycled back into the environment through a process called _____.
a)
decomposition
b)
respiration
c)
metabolism
d)
decaying
2.
A _____ represents multiple pathways through which energy and matter flow through an ecosystem.
a)
food web
b)
food chain
c)
ecosystem map
d)
energy pyramid
3.
Only about ___ of energy of one step in a food chain is stored in the next step.
a)
0.1
b)
0.2
c)
0.01
d)
0.001
4.
In the energy pyramid, which type of organisms occupy the lowest level?
a)
producers
b)
consumers
c)
plants
d)
prey
5.
In the energy pyramid, which type of organisms occupy the higher levels?
a)
consumers
b)
producers
c)
animals
d)
predators
6.
In which level of the energy pyramid are herbivores most likely to be found?
a)
first
b)
second
c)
third
d)
last
7.
What is another term for producers?
a)
autotrophs
b)
heterotrophs
c)
plants
d)
prey
8.
What is another term for consumers?
a)
heterotrophs
b)
autotrophs
c)
animals
d)
predators
9.
_____ allows all the processes inside cells to occur.
a)
molecules
b)
energy
c)
water
d)
oxygen
10.
A _____ is the process through which water or a chemical element is continuously recycled in an ecosystem.
a)
biogeochemical cycle
b)
planetary cycle
c)
water cycle
d)
nutrient cycle
11.
The process where water turns from gas to liquid is called _____.
a)
condensation
b)
sublimation
c)
evaporation
d)
transpiration
12.
The process where water turns from solid to gas is called _____.
a)
sublimation
b)
condensation
c)
evaporation
d)
transpiration
13.
The process where water turns from liquid to gas is called _____.
a)
evaporation
b)
sublimation
c)
condensation
d)
transpiration
14.
The process where water moves up the plant and evaporates from tiny openings in the leaves is called _____.
a)
transpiration
b)
evaporation
c)
sublimation
d)
condensation
15.
Which of the following is an example of precipitation?
a)
rain
b)
snow
c)
hail
d)
all answers are correct
16.
Chains of _____ molecules form the backbones of many molecules, such as carbohydrates, proteins, and lipids
a)
carbon
b)
nitrogen
c)
oxygen
d)
hydrogen
17.
In what form is carbon found in the atmosphere?
a)
carbon dioxide
b)
glucose
c)
sugar
d)
sucrose
18.
What form of carbon is found in food and stores energy?
a)
carbon dioxide
b)
glucose
c)
sugar
d)
sucrose
19.
Through what process does carbon dioxide become converted to glucose?
a)
photosynthesis
b)
respiration
c)
decomposition
d)
combustion
20.
What process to living things undergo which produces carbon dioxide?
a)
respiration
b)
photosynthesis
c)
decomposition
d)
combustion
21.
Aside from respiration, how can carbon return to the atmosphere?
a)
decomposition
b)
photosynthesis
c)
respiration
d)
combustion
22.
Fossil fuels are formed from compressed _____.
a)
organic matter
b)
carbon
c)
corpses
d)
soil
23.
_____ gases let light energy in the Earth's atmosphere but do not let heat escape.
a)
greenhouse
b)
hot
c)
ozone
d)
UV
24.
_____ is important for creating both proteins and nucleic acids, like DNA.
a)
nitrogen
b)
oxygen
c)
carbon
d)
hydrogen
25.
Nitrogen gas has a very strong _____ bond, which prevents most plants and animals from using it directly.
a)
double
b)
triple
c)
single
d)
quadruple
26.
Nitrogen gas can be transformed into _____ that plants can use when lightning strikes.
a)
nitrate
b)
nitrite
c)
nitric acid
d)
ammonium
27.
Bacteria that live in the roots of legumes turn nitrogen gas into _____.
a)
ammonium
b)
nitrate
c)
nitrite
d)
nitric acid
28.
In the form of nitrate, nitrogen can be used by plants through the process of _____.
a)
assimilation
b)
absorption
c)
filtration
d)
respiration
29.
_____ is the process of turning nitrate back into nitrogen gas through the work of denitrifying bacteria.
a)
denitrification
b)
nitrification
c)
assimilation
d)
sublimation
30.
What is the collective term for the Earth's crust and upper mantle?
a)
lithosphere
b)
biosphere
c)
atmosphere
d)
geosphere
31.
The main driving factor of the oxygen cycle is _____.
a)
photosynthesis
b)
respiration
c)
weathering
d)
burial
32.
What is the layer of atmosphere within the stratosphere that absorbs harmful ultraviolet radiation?
a)
ozone layer
b)
greenhouse layer
c)
orbit layer
d)
polarized layer
33.
_____ is the process that converts solar energy into carbohydrates, namely glucose.
a)
photosynthesis
b)
respiration
c)
assimilation
d)
nitrification
34.
What are the raw materials for photosynthesis?
a)
water and solar energy
b)
carbon dioxide, water and solar energy
c)
carbon dioxide, water and oxygen
d)
oxygen, water and solar energy
35.
In which part of the plant does photosynthesis take place?
a)
leaves
b)
stem
c)
roots
d)
flowers
36.
What is the green pigment in leaves that help capture solar energy?
a)
chlorophyll
b)
chloroplast
c)
stomata
d)
carotene
37.
What are the special pores on leaves that allow carbon dioxide to enter?
a)
chlorophyll
b)
chloroplast
c)
stomata
d)
carotene
38.
What is the organelle in which photosynthesis takes place?
a)
chlorophyll
b)
chloroplast
c)
stomata
d)
carotene
39.
What do you call the inner membrane system of the chloroplast?
a)
thylakoid
b)
stroma
c)
stomata
d)
carotene
40.
What is the aqueous fluid that fills the interior space of the chloroplast?
a)
thylakoid
b)
stroma
c)
stomata
d)
carotene
41.
How many molecules of carbon dioxide is needed to produce one molecule of glucose?
a)
6
b)
12
c)
8
d)
5
42.
_____ is a byproduct of photosynthesis that is released to the atmosphere through the leaves.
a)
oxygen
b)
glucose
c)
carbohydrates
d)
carbon dioxide
43.
What is produced in the light-dependent reactions of photosynthesis?
a)
oxygen
b)
glucose
c)
carbohydrates
d)
carbon dioxide
44.
Where does the oxygen byproduct of photosynthesis come from?
a)
water
b)
carbon dioxide
c)
solar energy
d)
glucose
45.
Which molecules captures the energy from sunlight?
a)
ATP and NADPH
b)
ATP and NADP
c)
ADP and NADPH
d)
ADP and NADP
46.
Where must the water molecules pass in order to capture energy?
a)
electron transport chain
b)
stroma
c)
thylakoid
d)
chloroplast
47.
The light-independent reactions are also called the _____.
a)
Calvin Cycle
b)
Charles Cycle
c)
Krebs Cycle
d)
Kelvin Cycle
48.
Which 3-carbon product of the Calvin Cycle is the energy source of plants and animals?
a)
glucose
b)
cellulose
c)
starch
d)
carbohydrates
49.
Which 3-carbon product of the Calvin Cycle is a structural carbohydrate?
a)
glucose
b)
cellulose
c)
starch
d)
sucrose
50.
Which 3-carbon product of the Calvin Cycle is a long-term storage carbohydrate?
a)
glucose
b)
cellulose
c)
starch
d)
sucrose
51.
How many cycles must a carbon dioxide molecule go through to produce glucose?
a)
2
b)
3
c)
4
d)
6
52.
Which of the following is not true about photosynthesis?
a)
Photosynthesis only happens during the day.
b)
Photosynthesis has two phases
c)
Photosynthesis require energy.
d)
Photosynthesis transforms light into sugar.
53.
Who is considered the father of genetics?
a)
Gregor Mendel
b)
Dmtri Mendeleev
c)
James Maxwell
d)
Thomas Hunt Morgan
54.
Which trait is controlled by a single gene that has two alleles?
a)
Mendelian trait
b)
non Mendelian trait
c)
codominant trait
d)
polygenic trait
55.
What diagram is used to help predict the probable inheritance of alleles in different crosses?
a)
Punnett square
b)
Chi square
c)
Mendelian square
d)
Genetic square
56.
What do you call the observable characteristics of an organism due to inherited genes?
a)
phenotype
b)
genotype
c)
characteristics
d)
genome
57.
What do you call the genetic constitution of an organism that brings about observable traits?
a)
phenotype
b)
genotype
c)
DNA
d)
genome
58.
What are the possible results from a cross of two individuals who are both heterozygous for a Mendelian trait?
a)
100% dominant
b)
50% dominant, 50% recessive
c)
25% dominant, 75% recessive
d)
75% dominant, 25% recessive
59.
What are the possible results from a cross of two individuals who are both homozygous dominant for a Mendelian trait?
a)
100% dominant
b)
50% dominant, 50% recessive
c)
25% dominant, 75% recessive
d)
75% dominant, 25% recessive
60.
What are the possible results from a cross of two individuals, one who is homozygous recessive and another who is heterozygous dominant?
a)
100% dominant
b)
50% dominant, 50% recessive
c)
25% dominant, 75% recessive
d)
75% dominant, 25% recessive
61.
What are the possible results from a cross of two individuals, one who is homozygous recessive and another who is homozygous dominant?
a)
100% dominant
b)
50% dominant, 50% recessive
c)
25% dominant, 75% recessive
d)
75% dominant, 25% recessive
62.
A _____ is a chart that shows the ingeritance of a trait over several generations.
a)
family tree
b)
pedigree
c)
Punnett square
d)
phenotype tree
63.
What do you call a trait found in the X chromosome?
a)
X-linked trait
b)
Y-linked trait
c)
female trait
d)
male trait
64.
What do you call a trait found in the Y chromosome?
a)
X-linked trait
b)
Y-linked trait
c)
female trait
d)
male trait
65.
What sex chromosomes can be found in a normal female?
a)
XX
b)
XY
c)
XXY
d)
XYY
66.
What sex chromosomes can be found in a normal male?
a)
XX
b)
XY
c)
XXY
d)
XYY
67.
_____ occurs when both traits appear in a heterozygous offspring.
a)
Dominance
b)
Codominance
c)
Incomplete dominance
d)
Indominance
68.
_____ occurs when the phenotype of the offspring is somewhere in between the phenotypes of both parents.
a)
Dominance
b)
Codominance
c)
Incomplete dominance
d)
Indominance
69.
Which traits are affected by more than one gene?
a)
Mendelian trait
b)
non Mendelian trait
c)
codominant trait
d)
polygenic trait
70.
What does DNA stand for?
a)
deoxyribonucleic acid
b)
duoribonucleic acid
c)
deoxyribose acid
d)
deoxyribunic acid
71.
Which of the following is in the correct order in protein synthesis?
a)
DNA -> RNA -> protein
b)
RNA -> DNA -> protein
c)
RNA -> protein -> DNA
d)
DNA -> protein -> RNA
72.
What is the processes of creating a copy of DNA for various processes in the cell?
a)
replication
b)
duplication
c)
transcription
d)
translation
73.
What is the process of converting DNA into RNA?
a)
replication
b)
duplication
c)
transcription
d)
translation
74.
What is the process of producing protein from RNA?
a)
replication
b)
duplication
c)
transcription
d)
translation
75.
Which of the following bases are not found in DNA?
a)
adenine
b)
uracil
c)
guanine
d)
cytosine
76.
If the DNA coding strand is ACAGTC, what will the complementary strand be?
a)
TGTCAG
b)
ACAGTC
c)
UGUCAG
d)
TGTGTC
77.
If the DNA coding strand is ACAGTC, what will the mRNA strand be?
a)
TGTCAG
b)
ACAGTC
c)
UGUCAG
d)
TGTGTC
78.
What is the purpose of the DNA polymerase?
a)
unzips the DNA strands
b)
adds new nucleotide bases to the new DNA strand
c)
twists the new DNA strand
d)
sticks the new DNA strands together
79.
Which nucleic base does uracil replace from DNA?
a)
adenine
b)
thymine
c)
guanine
d)
cytosine
80.
Which type of RNA transports specific amino acid to the ribosome?
a)
tRNA
b)
mRNA
c)
rRNA
d)
snRNA
81.
What is the purpose of the helicase in DNA replication?
a)
unzips the DNA strands
b)
adds new nucleotide bases to the new DNA strand
c)
proofreads the new DNA strand
d)
sticks the new DNA strands together
82.
What is the purpose of DNA ligase in DNA replication?
a)
unzips the DNA strands
b)
adds new nucleotide bases to the new DNA strand
c)
proofreads the new DNA strand
d)
sticks the new DNA strands together
83.
Which type of RNA encodes amino acid sequences?
a)
tRNA
b)
mRNA
c)
rRNA
d)
snRNA
84.
Which type of RNA assist in translating codes into proteins?
a)
tRNA
b)
mRNA
c)
rRNA
d)
snRNA
85.
What happens to the other strand of DNA when one is being transcribed into RNA?
a)
it undergoes replication
b)
it becomes inactive
c)
it is transcribed, too
d)
it mutates
86.
Which type of sugar is found in both DNA and RNA?
a)
glucose
b)
sucrose
c)
ribose
d)
fructose
87.
_____ are the remains or impression of a prehistoric organism preserved in petrified form.
a)
fossil
b)
antique
c)
evidence
d)
relics
88.
_____ the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the Earth.
a)
evolution
b)
adaptation
c)
natural selection
d)
creation
89.
_____ is the study of the similarities and differences in the structures of different species.
a)
comparative anatomy
b)
comparative embryology
c)
biogeography
d)
comparative biology
90.
_____ are structures that are similar in related organisms because they were inherited from a common ancestor.
a)
homologous structures
b)
analogous structures
c)
vestigial structures
d)
unnecessary structures
91.
_____ are structures that are similar in unrelated organisms because they evolved to have the same function.
a)
homologous structures
b)
analogous structures
c)
vestigial structures
d)
unnecessary structures
92.
_____ are structures that are no longer used but are still present in organisms.
a)
homologous structures
b)
analogous structures
c)
vestigial structures
d)
unnecessary structures
93.
_____ is the study of the similarities and differences in the embryos of different species.
a)
comparative anatomy
b)
comparative embryology
c)
biogeography
d)
comparative biology
94.
_____ is the study of how and why plants and animals live where they do.
a)
comparative anatomy
b)
comparative embryology
c)
biogeography
d)
comparative biology
95.
What is the term for a population's collective genotype?
a)
gene pool
b)
genes
c)
distinguishing characteristics
d)
traits
96.
Which of the following cannot cause a change in the allele frequencies in a gene pool?
a)
mutation
b)
gene flow
c)
biodiversity
d)
genetic drift
97.
How do new alleles arise in a population?
a)
mutation
b)
gene flow
c)
natural selection
d)
genetic drift
98.
_____ occurs when individuals move into or out of a population.
a)
mutation
b)
gene flow
c)
natural selection
d)
genetic drift
99.
_____ is a random change in allele frequencies that occurs in a small population.
a)
mutation
b)
gene flow
c)
natural selection
d)
genetic drift
100.
_____ occurs when a population suddenlt gets much smaller, usually due to a natural disaster such as a forest fire.
a)
bottleneck effect
b)
founder effect
c)
natural selection
d)
gene flow
101.
_____ occurs when a few individuals start a new population.
a)
bottleneck effect
b)
founder effect
c)
natural selection
d)
gene flow
102.
_____ occurs when there are differences in fitness among members of a population.
a)
bottleneck effect
b)
founder effect
c)
natural selection
d)
gene flow
103.
_____ occurs when some members of a species becomes geogrphically separated for a long time and they eventually evolve into a new species.
a)
allopatric speciation
b)
sympatric speciation
c)
coevolution
d)
macroevolution
104.
_____ occurs when a new species arises without geographic separation.
a)
allopatric speciation
b)
sympatric speciation
c)
coevolution
d)
macroevolution
105.
_____ occurs when different species evolve together, such as flowering plants and the species that pollinate them.
a)
allopatric speciation
b)
sympatric speciation
c)
coevolution
d)
macroevolution
106.
Where does the oxygen byproduct of photosynthesis come from?
a)
water
b)
carbon dioxide
c)
solar energy
d)
glucose
107.
Where must the water molecules pass in order to capture energy?
a)
electron transport chain
b)
stroma
c)
thylakoid
d)
chloroplast
108.
Why are plants called "producers"?
a)
They reproduce quickly
b)
They are grown and harvested by farmers
c)
They can make their own food
d)
They produce oxygen
109.
What do you call a fertilized egg cell?
a)
Embryo
b)
Zygote
c)
Blastula
d)
Baby
110.
Why is DNA replication called "semi conservative"?
a)
The products are copies of selected parts of the original
b)
The products are not two-stranded like the original
c)
The products are not an exact copy of the original
d)
The products are composed of a new strand and an original strand
111.
Which of the following is NOT a type of RNA?
a)
nRNA (nuclear RNA)
b)
mRNA (messenger RNA)
c)
rRNA (ribosomal RNA)
d)
tRNA (transfer RNA)
112.
Which of the following is NOT a source of nutrients for plants?
a)
soil
b)
sunlight
c)
air
d)
water
113.
What would happen to its roots if you turned a normal plant upside down?
a)
They willtry to grow upward.
b)
They will try to grow to either side of the plant.
c)
They will try to grow downward.
d)
They will try to stop growth in length and width.
114.
What are the advantages of having very thin, pointed leaves called needles?
a)
protect against predators and attract pollinators
b)
reduce water loss and maximize absorption of sunlight
c)
reduce water loss and protect against harm
d)
protect against harm and maximize absorption of sunlight
115.
What is the main purpose of petals?
a)
to attract pollinators
b)
to make the plant pretty
c)
to add artistry to plants
d)
to convince humans to take care of plants
116.
What is the main purpose of sepals?
a)
to protect the flower while still a bud
b)
to connect the flower to the stem
c)
to hold the ovary
d)
to protect all other parts of the flower
117.
If two organisms are in the same order, they must also belong to the same _____.
a)
class
b)
species
c)
family
d)
genus
118.
What replaces thymine when DNA is translated to RNA?
a)
U
b)
A
c)
C
d)
G
119.
Where do RNA strands from the nucleus travel to build proteins?
a)
ribosome
b)
mitochondria
c)
endoplasmic reticulum
d)
Golgi apparatus
120.
Which of the following is the building blocks of protein?
a)
amino acids
b)
RNA
c)
DNA
d)
potassium
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