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Biology Keystone Exam - Module 2 Practice Flashcards | StudBud
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Biology Keystone Exam - Module 2 Practice
Biology Keystone Exam - Module 2 Practice
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Multiple Choice practice for the Biology Keystone Exam #biology #keystone
Flashcards
35 cards
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Questions
35
Answers
1
A insect population experiences a change in allele frequency. What is the most likely cause?
artficial selection against an advantagous trait
natural selection against an advantageous trait
natural selection for an advantageous trait
artficial selection for an advantagous trait
2
Humans disrupt the carbon cycle by:
cellular respiration
breathing in CO2
combustion of fossil fuels
saving fossil fuels
3
Scientists discovered that very few plants grow at the bottom of the ocean, probably because of
a decreased amount of competition
an increased amount of sunlight
a decreased amount of sunlight
an increased amount of oxygen availability
4
Who is going to "ROCK" the Biology Keystone Exam?
Period 7 Biology students
ALL Biology students at BHS!!
Mrs. Peglow's Advanced Biology students
Intervention Bio Group A
5
A change in a population due to a chance event
natural selection
gene pool
artifical selection
genetic drift
6
Which of the following will cause evolution to occur?
Mutations
Small population size
Natural Selection
All will cause evolution to occur
7
In an ocean ecosystem, which of the following is not recycled?
energy
nitrogen
carbon
oxygen
8
Which of the following is a type of reproductive isolation?
Organisms are separated by a mountain formation.
All are types of reproductive isolation.
Organisms live in two different lakes.
Organisms mate at two different times of the year.
9
Which list shows structures in the correct order from
smallest to largest
?
gene, chromosome, nucleus, cell
gene, nucleus, cell, chromosome
cell, nucleus, chromosome, gene
nucleus, gene, chromosome, cell
10
Which of the following statements is true regarding change in DNA?
It is always detected by the process DNA fingerprinting.
It is always known as a mutation.
It is always disadvantageous to an individual.
It is always found in a gamete.
11
How does the endoplasmic reticulum assist the golgi apparatus?
The ER synthesizes proteins
The ER modifies proteins and sends to GA via vesicles.
The ER provides an attachement site for proteins
The ER stores proteins
12
A structure that was useful in ancestors of a species is called a(n)
analogous structure
vestigial structure
symbiosis
homologous stucture
13
Meiosis is responsible for producing what cell from the list below?
Sperm cell
Skin cell
Blood cell
Nerve cell
14
_______ percent of energy moves up a food chain
10
1
0.1
100
15
A difference between meiosis and mitosis is that:
All are correct differences.
Meiosis creates haploid daughter cells.
Mitosis creates identical daughter cells.
Meiosis produces sex cells.
16
Which of the following shows the correct sequence of the cell cycle?
M-phase, G2, S, G1, Cytokinesis
M-phase, cytokinesis, G1, G2, S
G1, S, G2, M-phase, Cytokinesis
Cytokinesis, G2, G1, S, M-phase
17
At the end of meiosis 2 cells have 10 chromosomes, 1 cell has 9, and one cell has 11. Why
translocation
crossing over
nondisjuction
deletion
18
Unlike mitotic division, meiotic division results in...
2n cells
diploid cells
somatic cells
haploid cells
19
An organism has a diploid number of 28. How many chromosomes will be found in its cells?
14 in body cells and 28 in gametes
14 in body cells and 14 in gametes
28 in body cells and 28 in gametes
28 in body cells and 14 in gametes
20
Prior to cell division, DNA separates into two strands because it is involved in
Translation
Fertilization
Replication
Hydrolysis
21
What process is pictured below?
translation
replication
transcription
meiosis
22
In a cell, information that regulates protein synthesis must pass from the nucleus to the
ribosomes
mitochondria
nuclear membrane
chloroplast
23
The process of making mRNA from DNA
Meiosis
Transcription
Translation
Replication
24
Which is a process that both eukaryotic and prokaryotic cells have in common?
both types require ribosomes for translation
both types carry out transcription in the nucleus
both types synthesize proteins in chloroplasts
both types carry out transcription in the mitochondria
25
What is one way that humans have had a positive impact on their local ecosystems?
plant the same crop year after year in a field
increased waste as a result of technology
utilize renewable resources
increase use of pesticides
26
Butterfly wings have no bones but bird wings do. What kind of structures are these?
analogous
heterozygous
vestigal
homologous
27
An advantage of sexual reproduction is that
It is faster than asexual reproduction.
It creates genetically diverse offspring.
It creates genetically identical offspring.
It is slower than asexual reproduction.
28
Which organism converts nitrogen into nitrates for plants to use?
protists
bacteria
animals
fungi
29
Plants take up nitrogen in the form of:
nitrogen
ammonia
water
nitrate
30
Decomposers are necessary in an ecosystem because
They are at the top of the food chain.
They provide energy for producers.
They break down dead material.
They are organic.
31
A lichen and fungi live together, both allowing each other to obtain food. This is considered
mutualism
compeition
parasitism
commensalism
32
Which of the following terms includes biotic and abiotic factors?
species
population
ecosystem
community
33
A stable forest ecosystem would not contain
nutrients being cycled
scavengers
carbon dioxide
more consumers than producers
34
What structure is passed on from parents that help determine the traits of offspring?
ATP
Gene
Protein
Cell
35
A change in the order of DNA bases during DNA replication may result in
genetic variation within an organism
production of identical proteins
crossing over during meiosis
genetic equilibrium
