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WorksheetsBiology EOC Review
Total questions: 45
Worksheet time: 28mins
Name
Class
Date
1.
What will most likely be the result if all of the mitochondria are removed from a plant cell?
a)
It will be unable to carry out respiration.
b)
It will lose water through osmosis.
c)
It will break down ribosomes in the cell
d)
It will be unable to photosynthesize.
2.
Before mitosis begins, which happens before the nucleus starts dividing?
a)
The cytoplasm separates.
b)
The DNA replicates.
c)
The sister chromatids separate.
d)
The homologous chromosomes cross over.
3.
What is the function of autotrophs in the carbon cycle?
a)
to use oxygen to produce glucose
b)
to take in excess water
c)
to use carbon dioxide to produce glucose
d)
to feed on herbivores
4.
Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?
a)
competition
b)
mutualism
c)
parasitism
d)
predator-prey
5.
A strand of DNA has these bases:
AGC CAT GTA TAC What is the complementary DNA strand?
AGC CAT GTA TAC What is the complementary DNA strand?
a)
ACG GAT CTA TAG
b)
TCG GTA CAT ATG
c)
TGC CTA GAT ATC
d)
UCG CUA CAU AUG
6.
Which statement best describes the relationship that exists among proteins, DNA, and cells?
a)
Proteins combine to produce cells, which produce DNA
b)
Proteins are made up of DNA, which determines the cells that are produced.
c)
DNA is made up of proteins, which tell a cell how to function.
d)
Cells contain DNA, which controls the production of proteins.
7.
Which process produces the most variation within a species?
a)
Asexual reproduction
b)
Sexual reproduction
c)
mitosis
d)
cloning
8.
A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?
a)
They will swell because water will move into them.
b)
They will swell because salt will move into them
c)
They will shrink because water will move out of them.
d)
They will shrink because salt will move out of them.
9.
The yucca plant releases a strong scent at night when the yucca moth is active. The yucca moth, attracted by the scent, gathers pollen from the yucca flower. The yucca moth then deposits her eggs and the pollen on another plant. This ensures that the plant will be cross-pollinated and that the yucca moth larvae have a steady food supply. Which relationship does this BEST illustrate?
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
10.
Which cell part is present in eukaryotic cells, but not in prokaryotic cells?
a)
cell membrane
b)
cell wall
c)
cytoplasm
d)
nucleus
11.
Cell have several mechanisms for regulating their internal environments. Which of these mechanisms involved in maintaining homeostasis requires energy?
a)
osmosis
b)
diffusion
c)
active transport
d)
passive transport
12.
Which of the following correctly describes the reactants involved in cellular respiration?
a)
oxygen and carbon dioxide
b)
carbon dioxide and glucose
c)
glucose and water
d)
oxygen and glucose
13.
Which of the following best describes cellular respiration?
a)
external breathing
b)
the breakdown of sugar to release energy in cells
c)
the movement of water from outside a cell to inside the cell
d)
the removal of water from a cell
14.
This organelle would NOT be found in animal cells.
a)
cell membrane
b)
nucleus
c)
lysosome
d)
chloroplast
15.
What is the name and importance of the molecule shown in the picture?
a)
fatty acid tail; makes up the fat found in butter
b)
phospholipid; makes up cellular membranes
c)
triglyceride; makes up animal lard
d)
cellulose; makes up the cell walls of plants
16.
What type of cell is shown?
a)
Eukaryotic because it has a nucleus
b)
Eukaryotic because it lacks a nucleus
c)
Prokaryotic because it has a nucleus
d)
Prokaryotic because it lacks a nucleus
17.
In the nitrogen cycle which organisms help plants fix nitrogen?
a)
Fungi
b)
Bacteria
c)
Animal-Like Protist
d)
Plant-Like Protist
18.
Which of the following is NOT true of the structure of DNA?
a)
The backbone consists of the sugar and nitrogen base
b)
Hydrogen bonds keep the nitrogen bases together
c)
Adenine always binds to Thymine
d)
The nitrogen bases bind to sugars and another nitrogen base
19.
Which of the following is not part of natural selection?
a)
Overproduction
b)
Variation
c)
Genetic Drift
d)
Limited Resources
20.
In the carbon cycle what is one way that carbon is released into the atmosphere?
a)
Photosynethsis
b)
The burning of fossil fuels
c)
The phloem transporting sugar
d)
Bacteria fixing nitrogen in the soil
21.
Which of the following describes meiosis?
a)
Produces haploid cells
b)
1 round of cell division
c)
Produces identical cells
d)
Asexual reproduction
22.
RNA and DNA are which type of organic compound?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
23.
Identify this process.
a)
Replication
b)
Transcription
c)
Translation
d)
Proof reading
24.
The genetic code is nearly universal. That means, with few exceptions, the same codons code for the same amino acids in all organisms. What does the near universality of the genetic code suggest?
a)
All life-forms can reproduce with one another
b)
All life-forms have the same number of genes.
c)
All life-forms have a common evolutionary ancestor.
d)
All life-forms arose about the same time in Earth’s history.
25.
Which sequence depicts the correct order of protein synthesis within a cell?
a)
DNA → mRNA → amino acids → proteins
b)
DNA → amino acids → mRNA → proteins
c)
DNA → mRNA → proteins → amino acids
d)
DNA → proteins → amino acids → mRNA
26.
a bird that can easily outcompete other birds for food and that can produce many eggs has a high
a)
life expectancy
b)
mutation rate
c)
fitness
d)
adaptability
27.
Symbiotic relationship in which one organism is harmed while the other one benefits:
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
28.
In a genetics lab, two heterozygous tall plants are crossed. If tall is dominant over short what are the expected phenotypic results
a)
23% tall, 72% short, 5% average
b)
75% Tall 25% short
c)
75% short 25% tall
d)
0% tall 100% short
29.
Under which environmental condition would primary succession occur?
a)
bare rocks exposed as glaciers melt
b)
meadow following a controlled burn
c)
forest after trees fall during a severe storm
d)
farm field no longer being used to cultivate crops
30.
Both photosynthesis and respiration involve energy conversions. Both photosynthesis and respiration also are involved in the -
a)
mineral cycle
b)
cell cycle
c)
nitrogen cycle
d)
carbon cycle
31.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
Crossing over
b)
Mutagenesis
c)
Fertilization
d)
Hybridization
32.
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
a)
0
b)
50%
c)
75%
d)
100%
33.
The gopher snake uses its glottis to produce a hiss that sounds similar to a rattlesnake's rattle. What most likely reason a gopher snake would do this?
a)
to attract prey
b)
to attract a mate
c)
to confuse predators
d)
to increase adrenaline flow
34.
A population of salamanders that lice in a river require clear, fresh water to survive. A flood causes tons of sediment to be suspended in the river. Which of these most likely will happen to the salamander population?
a)
The salamanders will adapt to life on land
b)
The salamanders will move to another river
c)
The salamanders will adapt to living in the muddy water
d)
The salamanders will decrease in number because of the water quality
35.
A reduction in which of these would lead to a decrease in all other populations?
a)
Coyote
b)
Grass
c)
Grasshoppers
d)
Squirrel
36.
Which of these best explains the difference between the way animals and plants exchange gases with their environment?
a)
Animals use only photosynthesis, while plants use both photosynthesis and respiration
b)
Animals use only respiration, while plants use both photosynthesis and repiration
c)
Animals use both photosynthesis and respiration, while plants use only respiration
d)
Animals use both photosynthesis and respiration, while plants only use photosynthesis
37.
What is the main function of a selectively permeable membrane?
a)
storage of water
b)
storage of chemicals
c)
breaks down molecules within the cell
d)
regulates what enters and leaves the cell
38.
The papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of the mealybug would result from the inability of the species to reproduce?
a)
The species would mutate
b)
The species would increase
c)
The species would become extinct
d)
The species would continue to thrive
39.
Polar bears swim across large expanses of ocean while hunting for seals, their main source of food. The bears use sea ice as a resting spots during their long swims. However, the sea ice is rapidly melting as a result of global warming. Which statement describes what most likely happen if global warming continues at its present rate?
a)
Polar bear and seal populations will both increase
b)
Polar bear populations will decrease, and seal populations will increase.
c)
Polar bear populations will increase, and seal populations will decrease.
d)
Polar bear populations will decrease, and seal populations will remain the same
40.
The loss of habitat in a forest region has caused some plant species to become extinct, while others survive. The process by which some plant species survive and others do not in a changing environment is best explained by
a)
natural selection
b)
law of segregation
c)
biological magnification
d)
alternation of generations
41.
Which process allows for an organism to increase the number of body cells during development?
a)
budding
b)
conjugation
c)
meiosis
d)
mitosis
42.
Which of these would lead to a lower rate of photosynthesis in a plant?
a)
an increase in the amount of oxygen in the air
b)
a decrease in the amount of oxygen in the air
c)
an increase in the amount of carbon dioxide in the air
d)
a decrease in the amount of carbon dioxide in the air
43.
What is the result of the fertilization of an egg?
a)
it restores the diploid number of chromosomes
b)
it deletes polypeptide chains in the chromosomes
c)
it gives offspring more chromosomes that the parents
d)
it gives offspring fewer chromosomes than the parents
44.
A species of snake was introduced to a tropical region. Scientists then noticed a steady decline in the presence of a field mice and an increase in the number of snakes. Which of these is the most likely explanation about why the population size of each animal changed?
a)
The snakes introduced to the region dominated the habitat, forcing the mice to find another place to live
b)
The mice became prey to the introduced snakes, allowing the snake population to increase but decreasing the mice population
c)
The snakes introduced to the region competed with the mice for food, allowing the snake population to increase but decreasing the mice population
d)
The people in the surrounding are set traps that killed the mice, allowing the snakes to live without any predators and therefore to increase in number
45.
How would a drop in temperature most likely affect the process of cellular respiration and photosynthesis?
a)
The rate of both would decrease
b)
the rates of both would remain constant
c)
the rate of PS would increase, the rate of CR would decrease
d)
the rate of PS would decrease, the rate of CR would increase
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