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Test Description: General Review over EOC topics
Instructions: Answer all questions to get your test result.
1) Which of the following shows and example of mutualism?
A
leeches feeding on fish, the fish are harmed
B
mistletoe growing on a tree -the mistletoe takes food and water from the tree, the tree is harmed
C
A humming bird pollinating a long-necked flower...the bee gets nectar, the flower gets pollinated
D
round worms in the belly of a dog. The round worms steal nutrients from the dog
2) Favorable traits that help individuals survive, find a mate and reproduce will...
A
Decrease their fitness, and the trait will appear less in the population overtime
B
Increase their fitness, and the trait will appear more in the population overtime
C
Decrease their fitness, and the trait will appear more in the population overtime
D
all of the choices
3) Which of the following best describe gene flow?
A
Organisms best adapted to survive in an environment will, and will be capable of reproducing
B
This is when a new species is made as a result of reproductive isolation
C
Gene flow is the frequency of a particular allele in a population
D
A new member with different traits enters an environment and adds it's alleles into the gene pool of the population
4) Modern horses developed their traits through natural selection. What occurs during the process of natural selection?
A
Organisms remain exactly the same over many generations.
B
Breeders cross organisms with desirable traits.
C
Organisms choose mates from other species.
D
Only the fittest organisms survive and reproduce.
5) DNA contains genes that provide instructions for inherited traits. What is the relationship between the genes and chromosomes?
A
Chromosomes correspond to the phenotype, while genes correspond to the genotype.
B
Genes are segments of DNA that are located on the chromosomes of each cell.
C
Genes are made up of thousands of chromosomes.
D
Genes correspond to the phenotype, while chromosomes correspond to the genotype.
6) Some viruses attack cells by attaching to their outer covering, entering, and taking over their genetic “machinery.” Viruses are able to invade cells after first attaching to their
A
genetic machinery
B
cell membrane
C
viral proteins
D
nuclear membrane
7) In viruses, the lytic cycle is
A
quick, meaning symptoms show in a few days
B
when the virus leaves the cell
C
slow, meaning symptoms show in a few months
D
very slow, when the symptoms don't show
8) Proteins/traits are coded for by....
A
the sequence of nitrogen bases in DNA
B
the sequence of phosphates in DNA
C
the number of nitrogen bases in DNA
D
the sequence of sugars in DNA
9) Which of the following is an example of a prokaryote
A
bacteria
B
algae
C
animal
D
virus
10) The capsid of the virus is the
A
protective outer coat
B
cell membrane
C
nucleus
D
cell membrane complex
11) Which condition allows an ecosystem to undergo secondary succession instead of primary succession?
A
The presence of soil
B
The presences of animals
C
The presences of nutrients in the ground water
D
The presence of bare rock
12) In ecological succession, biodiversity _______________ overtime until a climax community is reached.
A
Remains the same
B
unable to determine
C
Increases
D
Decreases
13) Human organ systems work together in many ways. Which statement accurately explains the relationship between two body systems?
A
The excretory system regulates the temperature of the integumentary system.
B
The skeletal system deliver nutrients absorbed by the endocrine system.
C
The nervous system regulates the movement of the muscular system.
D
The digestive system deliver oxygen absorbed by the respiratory system.
14) A parent who is heterozygous for brown eyes marries a homozygous recessive person with blue eyes. What percentage of their children will have blue eyes? (hint: make a Punnett Square!)
A
100%
B
50%
C
75%
D
25%
15) Which describes transcription?
A
none of the choices
B
mRNA to amino acid, use a codon chart
C
both are correct
D
DNA to mRNA, A pairs with U, C pairs with G
16) A student analyzed a specimen with no nucleus and no membrane bound organelles. The circular DNA was free-floating in the cytoplasm. What organism was this?
A
All of the choices
B
Eukaryote
C
Prokaryote
D
Virus
17) In a food chain of: grass - grasshopper - mouse - hawk, the grass has 34,000 KJ of energy. How much energy would the hawk have?
A
100
B
3400
C
34
D
340
18) When a gene is transcribed and translated, a protein will be made. Different cells have different genes that are regulated, such as a skin vs a nerve cell. How are genes regulated, leading to protein production?
A
Certain genes are turned on and off in certain cell types
B
The genes are all turned on simultaneously
C
The genes are all activated in all cells
D
The genes are all turned off in all cells
19) A green beetle is able to camouflage better in a rainforest than a bright red beetle. What would happen overtime?
A
The green beetle has better fitness, overtime there will be a higher frequency of green beetles in the population
B
The green beetle has better fitness, overtime there will be a lower frequency of green beetles in the population
C
The green beetle has a worse fitness, overtime there will be a lower frequency of green beetles in the population
D
All of the choices are correct
20) A barnacle attaches itself to a whale. The barnacle gets a free ride, but the whale is unaffected. What symbiotic relationship is this?
A
Parasitism
B
Commensalism
C
Mutualism
D
Predator/Prey
*select an answer for all questions
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