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Duplicate of Biology MCAS Review
Duplicate of Biology MCAS Review
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2015 Biology MCAS Prep-Mr. Ehle Framingham High School
Flashcards
31 cards
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Practice quiz
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Host live
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Questions
31
Answers
1
Which of the following characteristics
best
classifies organisms into their taxonomic level?
Eating habits
Method of reproduction
Location of habitat
Gene sequence
2
Black hair (
B
) is dominant to brown hair (
b
). BB x Bb, What is the % kids with Black hair?
100
0
25
75
3
Which of the following is the
best
example of natural selection?
Bone density in humans increase as a result of sports
Population of giraffes increase due to immigration
Lifespan of a chimpanzee is extended 60 years in captivity
The average toxin level of frogs increase due to predation
4
How do Prokaryotic cells appear different from Eukaryotic cells?
The prokaryotic cell has a less distinct shape
The prokaryotic cell is much larger
The prokaryotic cell has mitochondria
The prokaryotic cells do not have a nucleus
5
Which of these is
not
a factor that must be present for Natural Selection to occur?
All organisms survive
Organisms with the best traits for that environment survive
Overproduction
Variation of offspring
6
What is the function of a ribosome?
Synthesize Proteins
Store Energy
Remove Cell Waste
Breakdown Lipids
7
In what 3 structures of the Digestive System does chemical digestion occur?
Mouth, Esophagus, Stomach
Mouth, Stomach, Small Intestine
It only happens in 2 locations: Mouth and Stomach
Mouth, Esophagus, Large Intestine
8
The scientific name for the cougar is
Puma concolor
. Which organism is most closely related?
Lynx rufus
Corythaixoides concolor
Panthera tigris
Puma yagouaroundi
9
Which of the following happens when a phosphate bond is broken in an ATP molecule?
Lysosome contents are releases into cell
Energy is Released
Water is transported into the cell
Light energy is stored in plants
10
Thyroxine and Estrogen are hormones secreted by endocrine glands. What is the role of hormones?
Supply energy to cells
Stimulate electiral nerve impulses
Remove toxins from body
Regulate bodily functions
11
How many chromosomes should be in a baby's cell? How many are contributed by each parent?
46, 46 and 46
46, 23 and 23
23, 12 and 11
92, 46 and 46
12
Which of the following is most likely to change when an enzyme is added to a reaction?
The pH
The rate of reaction
The temperature
The products of the reaction
13
Where does an oxygen molecule go once inside the alveloi? and by what process does this occur?
Exhaled Out, Osmosis
Into the Capillaries, Diffusion
Turns into CO2, Active Transport
Into the Heart, Diffusion
14
A Red Flower(RR) and a White Flower(WW) make a Pink Flower (RW) what type of dominance is this?
Incomplete Dominance
Sex Linked Dominance
Homozygous Dominant
Codominant
15
What step explains Transcription?
RNA-Proteins
DNA-RNA
DNA-DNA
RNA-DNA
16
30% of the nitrogenous bases are thymine. What percentage of the nitrogenous bases are adenine?
70
60
30
20
17
Sperm whales have vestigial hip bones, which best explains the presence of this structure?
Embryonic development takes a long time
Whales are in the process of evolving into land animals
These structures are acquired during their lifetime
Whales evolved from ancestors that walked on land
18
What organisms are responsible for converting atmospheric nitrogen into a usable form 4 plants?
Nitrogen Fixing Bactera
Consumers
Decomposers
Denitrifying Bacteria
19
Brown coloring is Dominant(B) to Blue coloring(b). What parent Genotypes will produce all blue?
BB x BB
BB x bb
bb x bb
Bb x Bb
20
A mutation occurs in a individual but the individual’s phenotype does not change what happened?
The mutation occurred and changed the AA
A mutation caused a section of DNA to repeat
A mutation deleted a section of DNA
A mutation affected the nucleotide sequence, but not the AA
21
If producers in a food web were removed what would happen?
The food web would collapse over time
The consumers would begin making energy for the food web
The food web would depend on decomposers for energy
The remaining populations would increase
22
Why do X-linked recessive traits in humans occur more frequently in males than in females?
Males have one X chromo, girls have 2 copies of the x chromo
Transcriptionof X chromosome occurs more frequently in males
Males take longer to develop to maturity
Males and females have different hormones
23
Which of the following elements are most abundant in peptidoglycan = cell wall of bacteria?
Carbon and Hydrogen
Aluminum and Sodium
Potassium and Iodine
Iron and Magnesium
24
What is the number of cells and number of divisions in
Mitosis
and
Meiosis? (Cells, Divisions)
1,1 : 2,2
2,1 : 4,2
2,2 : 2,1
4,2 : 2,1
25
Which of the following processes removes carbon from the atmosphere?
Nitrogen Fixation
Cell Respiration
Decomposition
Photosynthesis
26
Alleles that control seed color for a plant are shown: Gg- Is this heterozygous or homozygous?
Heterozygous
Recessive
Homozygous
Dominant
27
Whale fins and bat fins are anatomically similar, what does this suggest?
Whales and bats move in the same way
Whales and bats have a common ancestory
Whales and bats were once adapted for the same enviornment
Whales and bats have existed for the same amount of time
28
At what step of mitosis does this occur? Copies of each chromosome are separating
Interphase: G1
Anaphase
Cytokinesis
Metaphase
29
In what trophic level do herbivores such as elk belong?
Producer (1st)
Decomposer
Tertiary Consumer (4th and up)
Primary Consumer (2nd)
30
For the quickest source of energy, someone should eat food that contains the most?
Sodium
Carbohydates
Nucleic Acids
Lipds
31
Which of the following is the function of the Nucleus?
Storing Genetic Material
Absorb Sunlight Energy
Producing Food Molecules
Release Usable Energy
