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Biology Midterm Review Flashcards | StudBud
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Biology Midterm Review
Biology Midterm Review
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1
What do we call all of the living things plus the nonliving parts of an environment?
community
population
organism
ecosystem
2
Which environmental concern is most associated with burning fossil fuels?
land pollution
decrease carbon dioxide levels
climate change
pollution of ocean waters
3
What is produced by photosynthesis?
oxygen and sugars (food)
carbon dioxide and water
oxygen and water
carbon dioxide and food
4
Which statement best describes the relationship between proteins, DNA and cells?
proteins are made of DNA, which produces the cells
DNA is made of proteins, which tell a cell how to function
proteins combine to produce cells, which produce DNA
cells contain DNA, which controls production of proteins
5
Which amino acid is coded for by GGU?
aspartic acid
lysine
glysine
serine
6
Which environmental factor would cause the greatest decrease in number of lake-dwelling organisms?
recycling
decreased cloud cover
acid rain
land pollution
7
Long wings are dominant to short. Two short-winged birds mate. What wings will their babies have?
long wings
short wings
half short wings, half long wings
medium-length wings
8
We get hot when we exercise, and then we sweat to cool back down. What do we call this phenomenon?
secreting hormones
elimination of toxins
maintaining metabolism
maintaining homeostasis
9
Which would be the
best
way to determine if two people are related?
test their blood types
compare their DNA
test for genetic disorders
examine their facial features
10
If 10 kilotons of wolves live in this ecosystem, then what is the biomass of Aspen & Willows?
1 kiloton
100 kilotons
.1 kilotons
1000 kilotons
11
Which technique would
most likely
be used by forensic scientists?
DNA fingerprinting
modifying genes
gene therapy
cloning
12
Two terms used to describe a cell with half the number of chromosomes as a body cell are
diploid, somatic cell
haploid; sex cell
diploid, sex cell
haploid, somatic cell
13
Most mutations are ussually
bad for an organism
good for an organism
14
How can you prepare for our midterm?
Read old handouts
Access old lessons on Google classroom
Review your old quizzes
All of the above
15
Which of these is hereditary?
a cold
the flu
none of these
mono
16
Which mutation would most likely be passed from poarent to offspring?
mutation in a stomach cell
mutation in a lung cell
mutation in a skin cell
mutation in an egg cell
17
What amino acid is coded for by the DNA triplet TTT?
lysine
aspartic acid
serine
glysine
18
A cell with 20 chromosomes undergoes meiosis. How many cells are made with how many chromosomes?
2......10 chromosomes each
2......20 chromosomes each
4.....20 chromosomes each
4......10 chromosomes each
19
What would be the complimentary side to this DNA sequence? A G C C A T
T C G G T A
U C G C U A
T G C C T A T
A C G G A T
20
The amount of light plants get affects how much food they make. What's the dependent variable?
amount of food made
amount of sunlight
21
Which organism helps dead things rot?
snake
grass
bluebird
fungi
22
Which organism is a carnivore?
bluebird
grasshopper
fungi
grass
23
According to the DNA fingerprint, who is the father Mary's baby?
either
Larry
Bob
neither
24
What do we call all of the living things living together in the same area?
ecosystem
population
organism
community
25
How is it that two parents with dwarfism can have children without dwarfism?
it's like magic
because of meiosis
dwarfism is sex-linked
dwarfism is genetic
26
A zygote is....
haploid
diploid
27
A cell with 20 chromosomes undergoes mitosis. The result is __ cells, each containing __ chromosomes.
4.....20 chromosomes each
2......10 chromosomes each
2......20
4......10 chromosomes each
28
A sperm cell is....
haploid
diploid
29
A skin cell is....
diploid
haploid
30
Yucca plants release a scent to attract moths, who collect their nectar and help the plants pollinate.
This is commensalism
This is predation
This is mutualism
This is parasitism
31
Fossils provide evidence for evolution. Which layer of earth should contain the oldest fossils?
C
B
A
32
How would overexposure to dangerous X-rays affect most animal cells?
cause an increase in red blood cell production
produce new chromosomes
increase cells' lifespan
change the sequence of DNA in affected cells
33
In pea plants, tall is dominant to short. What would be the phenotype of a heterozygous plant?
Tt
hybrid
medium height
tall
34
Which is TRUE of sexual-reproduction but NOT TRUE of asexual reproduction?
offspring have a lot of variation
offspring are unique individuals
each parent provides half of its DNA to its offspring
all of the above
35
At night, moths travel toward light. Which characteristic of life does this illustrate?
living things reproduce
living things respond to their environment
living things evolve
living things need food
36
Whales eat fish that eat seaweed. What will happen to the whale population if seaweed becomes scarce?
who knows?
increase
not be affected
decrease
37
Why is meiosis important for sexual reproduction?
it ensures the zygote has triple the normal # of chromosomes
it ensures the zygote has half normal # of chromosomes
it ensures the gametes have twice normal # of chromosomes
it assures the gametes have half normal # of chromosomes
38
What mRNA sequence is coded for by this DNA sequence? A T A G C A
T A T G C T
U A U C G U
T A T C G T
U A U G C U
39
Which has the most biomass in this ecosystem?
Mule Deer, Beaver & Elk
Aspen Trees & Willows
Humans
Wolves
40
Melanie has blood type B. Which might be the blood types of her two parents?
mom--AB dad-- AA
mom--AB dad--O
mom--AA dad--AB
mom--BB dad--AA
41
What do we call a group of the same kind of organisms living together in the same area?
ecosystem
population
community
organism
42
Which factor most directly affects the order of amino acids in a protein?
amount of energy available to the cell
DNA sequence within the gene
the sex of the organisms
area in a cell where protein is made
43
Which structure is found in a plant cell but not in an animal cell?
cytoplasm
mitochondrion
chloroplast
nucleus
44
Once in a while, mutations are good, and this can lead to ___________
reproduction
evolution
death
growth
45
What is the best method for studying interactions of organisms in a large grass field?
interview local farmers
count all organisms in half of field & multiply by 2
collecting organisms the field and compile a list
observe their behaviors in the field several times a year
46
What are the building blocks of proteins?
vitamins
sugars
amino acids
nucleotides
47
Which is largest?
organism
ecosystem
community
population
48
If worldwide deforestation continues, what will be the most likely result?
CO2 levels will increase & affect climate change
life will have to adapt to living in the desert
acid rain will kill animals
the quality of paper products will improve
49
A clownfish lives inside a sea anemone, and the anemone is unaffected by the fish.
parasitism
predation
commensalism
mutualism
50
Which organism is a producer?
snake
fungi
grass
bluebird
51
What will happen if the human population continues to grow at the present (fast) rate?
increase in oxygen levels in atmosphere
decrease in water pollution
less natural resources to go around
decrease in number of strong hurricanes
