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WorksheetsEOC Biology Review Assignment
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
Viruses are considered non-living because they lack the machinery to reproduce on their own and must rely on a cellular host cell to survive. Structures common to both cells and viruses include
a)
protein capsid
b)
nucleic acids
c)
cell wall
d)
nucleus
2.
Differences between prokaryotes and eukaryotes which are readily observable through the light microscope include
a)
I only
b)
II only
c)
I and II only
d)
I and III only
3.
The cellular organelle most directly involved in maintaining homeostasis is the
a)
plasma membrane
b)
cell wall
c)
chloroplast
d)
mitochondria
4.
The stage of the cell cycle pictured may be best described as
a)
Cytokinesis: the cytoplasm of the cell is divided
b)
S phase: DNA is copied, resulting in identical sister chromatids
c)
G2 phase: the cell grows in size and prepares to divide the nucleus
d)
Mitotic phase: the nucleus is divided
5.
Leaves are plant organs specialized for photosynthesis. Through the light microscope, which organelle would be expected to be seen in greater numbers?
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
6.
When harmful mutations occur in genes that contain the information to make cell cycle regulatory proteins, this may result in accelerated cell division. The result of these mutations is most likely
a)
cancer
b)
slower cell growth
c)
a halt in mitosis
d)
entry into G0 phase
7.
Which of the following illustrations depicts a nucleotide, the building block of DNA?
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
8.
Which statement most accurately describes how deoxyribonucleic acid (DNA) carries the genetic code for building an organism?
a)
The order of nitrogen bases provides the genetic code
b)
The genetic code is based on the number of hydrogen bonds found between nitrogen bases
c)
The number of deoxyribose sugars along the sides of the DNA ladder is used to determine the genetic code
d)
The shape of the DNA molecule provides the genetic code
9.
The diagram above shows the process of meiosis. The segregation that occurs results in -
a)
decrease in the total number of cells per organism
b)
reduction in the number of chromosomes per cell
c)
single fertilized egg
d)
group of genetically identical cells
10.
Which of the following statements is NOT correct regarding the process in the illustration?
a)
I must be complementary to an mRNA codon.
b)
This process is replication
c)
III shows the first two amino acids of a growing protein change
d)
The process shown is translation.
11.
In pea plants, tall (T) is dominant over short (t), and purple flowers (P) are dominant to white flowers (p). Given two parent plants which are heterozygous for both of these traits, what is the probability of producing tall offspring with white flowers?
a)
9/16
b)
3/16
c)
1/16
d)
2/16
12.
The diagram shows a model of species divergence among some primates. If this model is correct, the greatest genetic differences would be found in the DNA sequences of which two species?
a)
Tarsius bancanus and Cebrus albifrons
b)
Macaca sylvanus and Macaca mulatta
c)
Hylobates lar and Pongo pygmaeus
d)
Pan troglodytes and Lemur catta
13.
The importance of a uniform taxonomic system to the scientific community includes all of the following EXCEPT ....
a)
Binomial nomenclature provides a common language.
b)
Species names are very specific.
c)
Common names are used.
d)
Two or more different kinds of organisms may not have the same name.
14.
Duck feet are especially well-adapted for life in the water. Sharp claws allow them to better navigate the wet, slippery environment and webbed toes aid in their swimming ability. These adaptations probably came about as a result of
a)
one duck developing these favorable traits over its lifetime and passing them to its offspring
b)
variation in the duck population; ducks born with one or more of these traits were more reproductively successful
c)
nature selecting against these adaptations
d)
selective breeding of ducks with these favorable traits over many generations
15.
Given the characteristics described in the information box above, this species belongs in kingdom
a)
Archaebacteria
b)
Fungi
c)
Eubacteria
d)
Protista
16.
The organism pictured, Escherichia coli, is a common symbiote in mammalian digestive systems. This organism has a circular chromosome located in a region of the cell called the nucleoid (A), a rigid outer cell wall (B), and a semi-permeable cell membrane (C). To which kingdom does this organism belong?
a)
Archaebacteria
b)
Eubacteria
c)
Protista
d)
Fungi
17.
The animal species in the illustration has the following characteristics; it breathes with lungs, maintains a constant body temperature, has hair, gives live birth, and nurses young with milk. These characteristics place the animal in the class of
a)
Amphibia
b)
Aves
c)
Mammalia
d)
Osteichthyes
18.
The rock strata were excavated in an area as illustrated above and the fossil remains examined. According to this information, the most likely scenario is that ...
a)
Layer I is the oldest, followed by Layer II, III, and IV.
b)
Fish suddenly appeared on Earth at the time of Layer III.
c)
A marine environment gradually filled with sediment and became a terrestrial environment.
d)
A terrestrial environment was covered by a shallow sea for a period of time.
19.
The simple sugar glucose, C₆H₁₂O₆ , is formed through the process of photosynthesis as depicted in the chemical equation above. Simple sugars are unique among bio-molecule monomers in that
a)
They are used by the body for long-term energy storage.
b)
They do not dissolve readily in water.
c)
Carbon, hydrogen, and oxygen atoms are always found in a 1:2:1 ratio.
d)
They are the building blocks of proteins.
20.
Enzymes are proteins which function in both metabolic and anabolic pathways in living things. Which of the following is NOT a characteristic of enzymes?
a)
Enzymes act as biological catalysts.
b)
Enzymes slow down chemical reactions.
c)
Enzymes reduce activation energy needed for a chemical reaction to proceed.
d)
Enzymes are re-usable.
21.
Biomolecule polymers such as proteins, lipids, amino acids, and carbohydrates are formed when individual monomers are joined through the process of dehydration synthesis. Dehydration synthesis requires the...
a)
loss of a water molecule
b)
destruction of a water molecule
c)
evaporation of a water molecule
d)
addition of a water molecule
22.
Which is the best description of how the organ system pictured interacts with the circulatory system to deliver nutrients to cells?
a)
Water recovered from the large intestine is picked up by capillaries and delivered to the stomach to aid in digestion.
b)
The circulatory system moves the secretions from the liver, gallbladder, and pancreas through the bloodstream for delivery to the stomach where they are used to break down large particles.
c)
The digestive system processes food into smaller molecules which are picked up for delivery to the body’s cells by the circulatory system through capillaries in the small intestine.
d)
Nutrients are taken in through the respiratory system and are picked up by the thin walls of capillaries in the lungs for delivery to the rest of the body’s cells.
23.
Which term contains all of the others?
a)
tissue
b)
organ
c)
organ system
d)
cell
24.
Which of these statements best summarizes the change in populations which has occurred during the stages of succession illustrated?
a)
Populations of freshwater fish and aquatic plants die off as their habit becomes filled with silt.
b)
A marine ecosystem is replaced by a terrestrial ecosystem.
c)
A terrestrial ecosystem is replaced by a freshwater ecosystem.
d)
Populations of freshwater fish and aquatic plants are gradually replaced by populations of weeds and grasses as a pond fills with silt.
25.
Termites are incapable of digesting the wood fibers they ingest, but maintain a population of symbiotic bacteria in their gut which break down the wood fiber for them. This relationship is best described as
a)
parasitism
b)
mutualism
c)
predation
d)
commensalism
26.
The deer tick must feed on the blood of warm-blooded mammals in order to survive. At times, as the tick feeds it also transmits harmful bacteria to the host which cause lyme disease. This relationship is an example of
a)
parasitism
b)
mutualism
c)
predation
d)
commensalism
27.
Based on the adaptations listed in the table, which organism is best suited for life in the tropical rainforest ecosystem?
a)
Snowshoe hare
b)
Kangaroo rat
c)
Prairie dog
d)
Tarsier
28.
In the food web pictured, which organisms are most likely to become overpopulated if there were a larger than average production of seeds during a growing season?
a)
grouse
b)
chipmunk
c)
elk
d)
grizzly bear
29.
Carbon flows cyclically through organisms and the environment. Which of the following descriptions of the carbon cycle is NOT correct?
a)
Major reservoirs of carbon include tropical forests, oceans and fossil fuels.
b)
Carbon dioxide is produced through photosynthesis and used in cellular respiration.
c)
Humans may disrupt the carbon cycle by burning fossil fuels which may result in global warming.
d)
Carbon is released to the atmosphere in the form of CO2 through respiration in living things.
30.
In an ecosystem, the simple food chain above shows the movement of matter and energy from one organism to the next. If disease reduced the number of organisms at the producer level, which other organism would feel the greatest effect?
a)
the mouse because it is a producer
b)
the mouse because it eats producers
c)
the cat since it is a 2nd order consumer
d)
the coyote because it is the top consumer in the food chain
31.
Study the image part labeled 1, what holds the two opposite bases together?
a)
a sugar
b)
a nucleotide
c)
hydrogen bonds
d)
a phosphate
32.
Sickle-shaped red blood cells result from a mutation in the gene that codes for hemoglobin. This mutation results in sickle-cell anemia. A partial sequence of bases from a normal hemoglobin gene and a sequence that results in sickle-cell anemia are shown below. What type of mutation is depicted in this sequence?
a)
Substitution
b)
Insertion
c)
Deletion
d)
Frameshift
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