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WorksheetsEOC Review
Total questions: 42
Worksheet time: 25mins
Name
Class
Date
1.
Which has declined because of the growth of the human population?
a)
biodiversity
b)
deforestation
c)
extinction rates
d)
habitat destruction
2.
Which is a function of ribosomes in a cell?
a)
produce energy
b)
produce protein
c)
perform respiration
d)
perform photosynthesis
3.
Look the the cross below.
Yy x Yy
In this cross, two yellow seed plants are crossed. What are the genotypes for the offspring in this cross?
Yy x Yy
In this cross, two yellow seed plants are crossed. What are the genotypes for the offspring in this cross?
a)
Yy, Yy, Yy, Yy
b)
YY, Yy, Yy, yy
c)
YY, YY, Yy, Yy
d)
YY, YY, YY, YY
4.
Which is primarily composed of the molecules cytosine, guanine, adenine, and thymine?
a)
lipid
b)
DNA
c)
RNA
d)
protein
5.
Examine the DNA sequence:
TAC CCG ATC AAA GCC
Which represents the complementary strand of DNA?
TAC CCG ATC AAA GCC
Which represents the complementary strand of DNA?
a)
CGT TTA GCT GGG ATT
b)
ATG GGC TAG TTT CGG
c)
GCA AAT CGA TAA
d)
UCA CCG AUC AAA GCC
6.
This diagram shows an enzyme-substrate complex.
Which is represented by Structure X?
Which is represented by Structure X?
a)
Substrate
b)
Enzyme
c)
Complex
d)
Product
7.
A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?
a)
Osmosis
b)
Protein Synthesis
c)
Photosynthesis
d)
Cellular Respiration
8.
RNA and DNA are which type of organic compound?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
9.
Which is the most likely function of a group of cells that contain a high number of chloroplasts?
a)
Respiration
b)
Transpiration
c)
Photosynthesis
d)
Fermentation
10.
What will most likely happen if an appropriate enzyme is added to a chemical reaction?
a)
The reaction rate will increase
b)
The reaction rate will decrease
c)
The reaction will stop
d)
It will explode
11.
Which process is an example of asexual reproduction?
a)
An amoeba divides in half to form two amoebas.
b)
A bee transfers pollen from one flower to another.
c)
A female fish deposits eggs on a rock, then a male fish releases sperm on them.
d)
Earthworms exchange sperm
12.
Energy for most chemical reactions in cells is supplied by which of the following molecules?
a)
DNA
b)
ATP
c)
RNA
d)
Hemoglobin
13.
Which pair of structures best shows that plant cells have functions different from animal cells?
a)
Cytoplasm and mitochondria
b)
Chloroplasts and cell wall
c)
Ribosome and golgi
d)
Nucleus and cell membrane
14.
Which of the following macromolecules are a prominent part of animal tissues that function in insulation, helping animals conserve heat?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic acids
15.
carry instructions for making proteins
a)
Nucleic Acid
b)
Lipids
c)
Proteins
d)
Carbohydrates
16.
its function is to control the activities of the cell
a)
mitochondria
b)
nucleus
c)
vacuole
d)
chloroplast
17.
its function is to produce energy aka "powerhouse" of the cell
a)
chloroplasts
b)
nucleus
c)
mitochondria
d)
vacuoles
18.
this layer surrounds the cell and controls what comes in and out of the cell
a)
cell wall
b)
ribosome
c)
nucleus
d)
cell membrane
19.
the process by which plants and other other autotrophs capture and use light energy to make food from carbon dioxide and water
a)
photosynthesis
b)
cellular respiration
c)
adaptation
d)
variation
20.
an organism's physical appearance or visible traits
a)
genotypte
b)
phenotype
c)
gene
d)
alleles
21.
the process by which organisms that are best adapted to their environment are most likely to survive and reproduce
a)
natural selection
b)
adaptation
c)
variation
d)
evolution
22.
Which characteristic is shared by an animal cell, a plant cell, a prokaryotic cell and an eukaryotic cell?
a)
a mechanism for transforming sunglight into energy
b)
self-locomotion
c)
membrane bound organelles that transport substances
d)
genetic material composed of DNA
23.
A parrotfish will graze with a rabbitfish to escape predation. The rabbitfish has venomous spines a the end of its fins and does not benefit from this relationship. Which type of symbiosis is this?
a)
commensalism
b)
mutualistic
c)
predator-prey
d)
parasitic
24.
In recent years humans have interfered with the natural balance within deer populations in various ecosystems. The interference includes eliminating predators of the deer. Which of the following statements correctly describes the long-term outcome of this interference?
a)
the deer that are the fastest and most agile will survive and reproduce
b)
the deer population will be too large to be supported by producers
c)
other browsing species will thrive and out compete the deer
d)
the producers will evolve into species that are less palatable to the deer
25.
Diatoms are one of the most common types of phytoplankton in marine habitats. Like plants, diatoms contain chlorophyll and produce glucose from which of the following?
a)
O2 and ATP
b)
CO2 and O2
c)
ATP and H2O
d)
CO2 and H2O
26.
Cells can generate as many as 36 to 38 molecules of adenosine triphosphate (ATP) from the metabolism of one molecule of glucose. Which cellular process results in this amount of ATP production?
a)
anaerobic cellular respiration
b)
protein synthesis
c)
aerobic cellular respiration
d)
photosynthesis
27.
Which of the following is evidence to support the idea that two different species might have a common ancestor?
a)
Their fossils were discovered in the same location.
b)
Their methods of respiration are alike.
c)
Many of their genes are the same.
d)
They use the same means of locomotion.
28.
In an experiment testing how plant water intake affects a plant's growth, what would be the independent variable?
a)
Glucose production
b)
Plant growth
c)
Amount of water
d)
Sunlight
29.
In an experiment testing how plant water intake affects a plant's growth, what would be the dependent variable?
a)
Glucose production
b)
Plant growth
c)
Amount of water
d)
Sunlight
30.
Why is carbon able to bond with more molecules than most other atoms can?
a)
Carbon has 1 valence electron.
b)
Carbon is an inorganic molecule.
c)
Carbon is a polar molecule.
d)
Carbon has 4 valence electrons.
31.
Water is the universal ________, meaning it is a substance in which another substance is dissolved.
a)
Solvent
b)
Solute
c)
Solution
d)
Polymer
32.
What is the name for the diffusion of water across a selectively permeable membrane?
a)
Facilitated diffusion
b)
Hydro-diffusion
c)
Endocytosis
d)
Osmosis
33.
Glycolysis, the Krebs Cycle, and the electron transport chain are all stages in cellular respiration. Of the 3 stages, which does not take place inside the mitochondria?
a)
Glycolysis
b)
The Krebs Cycle
c)
Electron transport chain
d)
None of the above; they ALL take place inside the mitochondria
34.
Suppose two organisms, each heterozygous for eye color, reproduced and had offspring. How likely are the two organisms to have heterozygous offspring?
a)
25%
b)
50%
c)
75%
d)
100%
35.
This type of process requires oxygen.
a)
Aerobic
b)
Anaerobic
c)
Cell transport
d)
None of the above
36.
Gametes are formed and the chromosome number is reduced in this type of cell division.
a)
Meiosis
b)
Mitosis
c)
Transcription
d)
Translation
37.
Suppose two organisms reproduced. One organism was homozygous dominant (BB) for fur color while the other was homozygous recessive (bb). If brown fur is dominant over white fur, what phenotype can be expected for 100% of these organisms' offspring?
a)
Brown fur
b)
Bb
c)
BB / bb
d)
White fur
38.
DNA code is transferred to mRNA in the ____ through a process called ____.
a)
Cytoplasm, translation
b)
Nucleus, replication
c)
Nucleus, transcription
d)
Ribosome, transcription
39.
Which molecule is paired with its correct role in protein synthesis?
a)
Nucleus - forms peptide bonds
b)
Ribosome - carries DNA instructions
c)
mRNA - joins amino acids
d)
tRNA - transfers amino acids
40.
Which best explains why a bacteria is classified as a prokaryote?
a)
The presence of a nucleus.
b)
The absence of a nucleus.
c)
The presence of a cell wall.
d)
The absence of a cell wall.
41.
An ion must cross the cell membrane through active transport instead of passive transport when the ion is:
a)
Negatively charged
b)
Carried across by a protein
c)
Going against the concentration gradient
d)
Too small to move independently
42.
During the process of protein synthesis, a section of DNA molecule is copied into which other molecule?
a)
Nucleic DNA
b)
Cytoplasmic RNA
c)
Messenger RNA
d)
Transfer RNA
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