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Duplicate of MCA HS Science Review 3/23/18 Flashcards | StudBud
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Duplicate of MCA HS Science Review 3/23/18
Duplicate of MCA HS Science Review 3/23/18
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MCA Science Review for HS test
Flashcards
69 cards
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Practice quiz
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Host live
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Questions
69
Answers
1
What body systems are most affected by aerobic exercise?
Respiratory
Digestive
Nervous
Circulatory
2
Which of the following is an example of, or best describes, a food web?
grass-mouse-fox-eagle
the connection between predator and prey
a bunch of interacting food chains
looks like a pyramid
3
All the following are homologous except:
human arm and bat wing
bird wing and insect wing
bird wing and bat wing
4
Which of the following are analogous structures?
human hand and monkey hand
fish fin and whale fin
monkey tail and whale tail
human arm and whale fin
5
Identify two substances made during photosynthesis.
oxygen & nitrogen
glucose & oxygen
glucose & water
iron & water
6
How are cyanobacteria important to life?
cyanobacteria aid in N2 fixation in the roots of plants
cyanobacteria aid in carbon fixation
provide oxygen for the world
Aquatic plants use cyanobacteria for food
7
Which of the following is a law?
An educated guess based on previous observations.
A hypothesis that has been supported with repeated testing.
Generalizes a body of observations – No exceptions.
8
What cell characteristic is most likely the difference between different species of flies?
number of chromosomes
different recipes for proteins
location of genes on the chromosomes
number of nuclei
9
All of the following are somatic cells except:
skin
kidney
sperm
hair
10
Gregor Mendel’s work is concerned with:
genetics
evolution
classification
11
What neuron part releases neurotransmitters?
Schwann cells
dendrites
axon terminals
axon
12
All the following support the theory of Natural Selection except:
Some young survive due to favorable traits.
Only the biggest and strongest survive.
Those with favorable traits get to live and reproduce.
Survival of the fittest.
13
What part of the brain deals with memory?
pons
cerebellum
hippocampus
cerebrum
14
All RNA structures are made by the:
nucleolus
nucleus
ribosome
mitochondria
15
What are the little round pieces of DNA called?
Plasmids
RNA
Restriction DNA
Transfer DNA
16
Whose job is it to pick up the correct amino acids in protein synthesis?
rRNA
mRNA
tRNA
17
All of the following are sex cells except:
skin
sperm
egg
gamete
18
Another name for a pedigree is:
Family tree
Karyotype
Punnett square
19
See question below
deer
wolves
grasses/shrubs
none of these
20
A symbiotic relationship in which only one organism benefits and nothing happens to the other.
commensalism
parasitism
mutualism
21
All the following are parts to the “Cell Theory” except:
All cells arise from existing cells.
Cells are the basic units of all life.
Viruses are non-living cells.
All organisms are made of one or more cells.
22
Identify the abiotic part of the nitrogen cycle.
plant roots
nitogen
plant roots and nitrogen
soil
23
Which of the following is not another term for “introduced species”?
Invasive
Exotic
Native
Ferral
24
Which 3 body systems interact to help maintain the proper blood oxygen levels during exercise?
Digestive, Muscular, Respiratory
Circulatory, Nervous, Respiratory
Exocrine, Skeletal, Muscular
Digestive, Endocrine, Excretory
25
Whose job is to pick up the info from DNA in protein synthesis?
mRNA
rRNA
tRNA
26
Name the openings in the leaf of a plant that allow for gas exchange.
grana
stroma
stoma
thylakoids
27
A chloroplast’s or mitocondria’s DNA is similar to what other organisms DNA?
fungi
protists
bacteria
plants
28
Which of the following are “Laws” that may be useful in genetics?
Law of Dominance
all of the above
Law of Independent Assortment
Law of Segregation
29
A symbiotic relationship in which only one organism benefits and the other one is harmed.
mutualism
commensalism
parasitism
30
Coyotes eat chickens. How does the coyote population most likely affect the prairie chicken?
The numbers are not related.
As coyote number decrease, chickens decrease.
As coyote numbers decrease, chickens increase.
As coyote numbers increase, chickens increase.
31
What is this?
plasmodium
euglena
virus
amoeba
32
How does fertilizer affect the health of plants in a terrarium?
It will help them photosynthesize.
It provides them with needed nutrients in order to grow.
It will help them in cellular respiration.
33
When scientists do a study & discover new evidence, what must they do to make sure it is valid?
Repeat it numerous times and compare the outcomes.
Keep changing the variables to see what happens.
Only do the experiment once.
34
See question below
Nervous
Circulatory
Digestive
Respiratory
35
How are cyanobacteria important to the environment?
Add oxygen to the soil
Convert atmospheric carbon to a form plants can use
Provide cover for fish
Convert atmospheric nitrogen to a form plants can use
36
What are the products of Meiosis?
four diploid (2n) cells
two haploid (n) cells
two diploid (2n) cells
four haploid (n) cells
37
What is the process that moves materials across a membrane against a gradient?
osmosis
diffusion
passive transport
active transport
38
What system?
muscular
integumentary
nervous
circulatory
39
Sex-linked traits are genes found on what chromosome?
Y
21st
15th
X
40
The meaning of the word “Evolution” is:
Change caused solely by mutation.
Change due to changes in the environment.
Change through time.
41
How might the introduction of a disease change the size of a population over time?
reduce the numbers permantently
would not affect it
increase at first then die off
decrease at first, then slowly increase
42
Why is biological evolution an important concept in Biology?
Shows relationships between organisms & explains diversity.
It shows nothing.
It shows geological changes did nothing to any organism.
43
What part of the brain has likely been damaged when a person can't coordinate muscle movements?
pons
hypothalamus
cerebellum
cerebrum
44
What is the function of xylem in plants?
Carries water
Carries food
45
How does the true DNA of a bacterium look?
a big circle all twisted
linear like humans
tiny little circles
46
The endocrine system deals with:
saliva
enzymes
hormones
acids
47
What system?
nervous
muscular
integumentary
skeletal
48
Bacteria were thought to have been incorporated by cells and evolved into organelles. This is:
parasitism
commensalism
endosymbiosis
49
Name one human activity that substantially reduced the prairies.
farming
building communitites
fires
railroads
50
Which condition is the result of rapid breathing during exercise?
increased oxygen levels in the blood
increased sugar levels in the blood
increased carbon dioxide levels in the blood
51
Sex-linked traits are genes found on what chromosome?
21st
Y
X
15th
52
Which of the following is a theory?
A hypothesis that has been supported with repeated testing.
An educated guess based on previous observations.
Generalizes a body of observations – No exceptions.
53
In a terrarium, a student counted a total of 20 live animals. What kind of data is this?
quantitative
qualitative
54
Cyanobacteria(blue-green algae) are in the Kingdom:
Protists
Animalia
Plantae
Monera
55
A symbiotic relationship in which both organisms benefit is called
commensalism
mutualism
parasitism
56
What are the products of Mitosis?
two haploid (n) cells
four haploid (n) cells
two diploid (2n) cells
four diploid (2n) cells
57
Read the question below.
The spray was defective.
The insects that were not initially killed reproduced.
Climate change caused the problem.
Some insects were not killed by the spray.
58
Which of the following is a hypothesis?
An educated guess based on previous observations.
Generalizes a body of observations – No exceptions.
A hypothesis that has been supported with repeated testing.
59
What is this?
Energy pyramid
Food chain
Food web
60
How does the body’s organ systems help convert food to energy?
cellular respiration
respiration
digestion
61
Vaccines are used to treat ? infections and antibodies are used to treat ? infections.
neither of these
viruses, bacteria
both of these
bacteria, viruses
62
Which statement describes a setup that is controlled in an experiment?
Different types of light to see if it affects plant growth.
Different types of plants to test plant growth.
Use an old thermometer to measure temperature.
The students construct identical terrariums.
63
What scientific theory has most helped scientists study infectious diseases?
evolutionary theory
Darwin's theory
Germ theory
atomic theory
64
Which of the following are types of nucleic acids?
Molecules & atoms
proteins & amino acids
RNA & DNA
65
What is this?
euglena
virus
amoeba
plasmodium
66
Carbon is a(n) _____ in the prairie that cycles through it.
liquid
solid
mineral
element
67
Protein synthesis involves two parts. What are they?
Translation & Transformation
Transformation & Transcription
Transcription & Translation
68
Which of the following disease are not caused by a virus?
polio
flu
measles
strep throat
69
Whose job is it to put together a chain of amino acids to make a protein?
mRNA
tRNA
rRNA
