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bio final quizzes
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Quiz #1:
Ecology of populations
(1) Is the following statement true or false: Humans are iteroparous.
A. True
B. False
(2) Which of the following is not likely to influence the carrying capacity of a habitat?
A. The amount of food available
B. The number of competitors
C. The intensity of predation on the population
D. All are likely to influence carrying capacity
4) Of the curves above, 'D" best represents the survivorship of a Type III species.
A. True B. False
(5) The term ‘r’ is a measure of a population’s
A. Growth rate
B. Mortality rate
C. Survivorship rate
D. None of the above
(6) A cohort is a group of organisms all of the same population and of the same age.
A. True
B. False
(7) Age-structure diagrams with a columnar shape are the result of
A. High reproductive rates
B. Low reproductive rates
C. Low juvenile survival
D. None of the above
(8) When a population's growth reaches its carrying capacity, it is said to be in its
A. lag phase
B. acceleration phase
C. deceleration phase
D. equilibrium phase
The population curve referred to in Question 8 is most likely a(n)
A. 'S' curve
B. 'J' curve
C. linear growth curve
D. None of the above
(10) Which of the following pertains to an r-selected species?
A. Late to mature
B. large-sized young
C. Semelparous
D. extensive parental care
(11) Camouflage is a strategy used in
A. Competition between species
B. succession
C. defense
D. None of the above
(12) Which of the following is a characteristic of a columnar age structure diagram?
A. High reproductive rate
B. Low reproductive rate
C. Low survival rate
D. Both B and C
(13) Mimicry is an example of
A. camouflage
B. aposematic coloration
C. mutualism
D. deception
(14) Which of the following equations represents exponential growth?
dN/dt=
A. rN(K-N/K)
B. C
C. rN(K-N/N)
D. rN
Biology 1 Quizzes
Quiz #2:
Community ecology and energetics
A stage in ecological succession is called a
Step
Trophic level
Sere
Link
Succession on disturbed habitat is referred to as
Primary
Secondary
Tertiary
Quarternary
Approximately ____% of the light striking the earth is captured by photosynthetic organisms.
1%
5%
10%
90%
Unlike energy, nutrients are recycled in the biosphere
True
False
The reason why the trophic pyramid is limited to 4 or 5 steps is due to the 2nd Law of Thermodynamics.
True
False
The third step (from the bottom) of the trophic pyramid is occupied by the
Primary consumers
Producers
The top predator
Secondary consumers
An organism that eats dead organic material is called a(n)
primary consumer
herbivore
secondary consumer
detritovore
Which is not true about nutrient cycles?
The are all solar powered
The atmosphere is the primary exchange pool
They maintain a state of equilibrium (unless disrupted by man)
The rely on the recycling of nutrients
Which of the following is correct?
NPP – RS = GPP
NPP – GPP = RS
GPP – RS = NPP
GOP + NRA= LGM
Where would you go to see the ‘exchange pool’?
In the Earth’s crust
In the atmosphere
In the ocean
Both B and C
Which form of interspecific interaction would be scored as -/-?
Predation
Parasitoidism
Competition
Commensalism
Which form of interspecific interaction would conflict most with the interactive model of communities?
Predation
Neutralism
Amensalism
mutualism
Which evolutionary event explains variation in beak size of finches on the Galapagos Islands?
Niche partitioning
Character displacement
Competitive exclusion
None of the above
Which event or topic is not typically associated with a predator/prey relationship?
Camouflage
Aposematic coloration
Mimicry
They are all associated with predatory/prey relationships
Biology 1/Spring 2008
Quiz #3: Chemistry (Part 1)
(1) Which of the following is the simplest organic molecule?
A. water
B. carbon dioxide
C. methane
D. sugar
(2) An acid is defined as a substance that, when in water
A. releases H+ ions
B. consumes H+ ions
C. releases OH- ions
D. consumes OH- ions
(3) Atoms with the same #of protons but different # of neutrons are called
A. molecules
B. bases
C. ions
D. isotopes
(4) With 4 electrons in its outer shell, silicon should bind with ___ hydrogens
A. 1
B. 2
C. 4
D. 8
(5) The body uses buffers to
A. take away pain
B. hold pH constant
C. facilitate chemical reactions
D. pick up oxygen
(6) Which of the following molecules involves a triple covalent bond?
A. H20
B. O2
C. CO2
D. N2
(7) Covalent bonds involve the sharing of protons.
A. True
B. False
(8) Positively charged atoms are
A. cations
B. anions
C. isotopes
D. A and C
(9) All organic molecules must include at least carbon and hydrogen
A. True
B. False
(10) Polar molecules involve atoms with greatly different
A. numbers of electrons
B. electronegativities
C. protons
D. numbers of hydrogens
(11) Condensation synthesis reactions
A.Consume water
Produce water
Break down organic molecules
None of the above
Which kind of chemical bond produces cations and anions?
Covalent bonds
Ionic bonds
Hydrogen bonds
They can all produce ions
Biology 1 Quizzes
Quiz4 : Organic molecules
(1) Isomers
A. Are radioactive
B. Possess the same chemical formula
C. Have similar configurations
D. Both B and C
_______ bonds hold amino acids together to form proteins
Peptide
Ionic
Hydrogen
Ester
Which of the following is a lipid?
Fibrogen
Esterdiol
Maltase
Galactose
Which of the following is NOT a function of lipid?
Basis for sex hormones
Comprises the cell wall
Insulator
Long-term energy storage
Which level of protein structure is the result of hydrogen bonds?
Primary
Secondary
Tertiary
Quaternary
Which is true about carbohydrates as they become larger?
More energy, more digestible
More energy, less digestible
Less energy, less digestible
Less energy, more digestible
Ester bonds involve
Amino groups
Methyl groups
Carboxyl groups
Phosphate groups
What part of a nucleotide varies from one type to the next?
The phosphate group
The pentose sugar
The nitrogen base
All three vary
As a molecule, ATP is most closely related to
protein
carbohydrate
Nucleic acid
lipid
To transform a vegetable oil into a solid at room temperature you need to add
oxygen
hydrogen
carbon
All of the above
(11) _______ bonds hold fatty acids to glycerol
Peptide
Ionic
Hydrogen
Ester
(12) Which of the following is a carbohydrate?
Fibrogen
Acetyl-CoA
Maltase
Galactose
(13) Which level of protein structure is the result of disulfide bonds?
Primary
Secondary
Tertiary
Quaternary
(14) The cell membrane is comprised primarily of?
protein
carbohydrate
enzyme
lipid
Biology 1 Quizzes
Quiz #5: Enzymes and Cell structures
(1) Which of the following does not attach to an enzymes active site?
A. Reactants
B. Competitive inhibitors
C. Noncompetitive inhibitors
D. Substrate
Enzymes are a kind of
lipid
protein
carbohydrate
DNA
The membranes of all types of cells is comprised of phospholipid.
True
False
Which of the following is true only for prokaryotic cells?
They lack DNA
They lack cell membranes
They possess rotating flagella
They have a peptidoglycan cell wall
The key distinction of eukaryotic cells is that
They are smaller than other types of cells
They are compartmentalized
They possess DNA
They possess ribosomes
Ribosomes
Package cell products
Produce lipids
Form cell membranes
Synthesis proteins
Which of the following organelles synthesis lipids?
Smooth ER
Rough ER
Golgi apparatus
mitochondria
Which of the following is found in plant cells but not animal cells?
DNA
mitochondria
Central vacuole
Both B and C
Enzymes act to reduce the energy of activation for a chemical reaction
True
False
Which of the following is an enzyme?
Galactose
Glycerin
Cholesterol
Maltase
Lysosomes contain
Carbohydrates
Nucleic acids
Enzymes
ATP
Ribosomes are produced in
The rough ER
The Golgi apparatus
The Chromatin
The Nucleolus
Biology 1 Quizzes
Quiz #5: Cellular Membranes, Cell Membranes and Photosynthesis
(1) Which of the following is the principle function of the Krebs Cycle?
Produce electron transport molecules
Produce ATP
Generate carbon dioxide
Produce sugar
Which mechanism utilizes carrier proteins?
Active transport
Facilitated diffusion
Simple diffusion
None of the above
Cholesterol embedded in the cell membrane
Helps in cell recognition
Facilitates molecules passing through the membrane
Strengthens the membrane
Prevents water loss
A cell containing 5% salt, dropped into a beaker containing 15% salt is in a _________ solution.
Isotonic
Hypertonic
Hypotonic
Ginantonic
Which of the following is involved with the MHC?
Cholesterol
Channel Proteins
Glycoproteins
Carrier proteins
Endocytosis is a mechanism used to bring large quantities of materials out of the cell.
True
False
The Law of Diffusion is derived from the 2nd Law of Thermodynamics.
True
False
___________ junctions facilitate the movement of larger molecules between cells via channel proteins.
Gap
Adhesive
Tight
Both A and B
The cell membrane is comprised primarily of
protein
carbohydrate
enzyme
lipid
Which of the following specifically involves water?
Diffusion
Facilitated diffusion
Active transport
Osmosis
(11) Which of the following is a 2-carbon molecule?
Glucose
ATP
Acetyl-CoA
Pyruvate
12. In humans and other animals, anaerobic respiration is called
Lactate fermentation
Alcohol fermentation
Glycolysis
Humans are never anaerobic
(13) Which of the following is a product of the light dependent reaction of photosynthesis?
Sugar
Oxygen
Water
Carbon dioxide
(14) Which of the following is an example of an electron transport molecule?
ATP
Acetyl-CoA
CO2
FADH2
(15) Which type of light is least utilized by the photosynthetic process?
Blue
Red
Black
Green
Quiz (Cell division)
Which of the following is the correct sequence of the cell cycle.
M, G1, G2, S
M, G1, S, G2
G1, M, G2, S
G1, G2, S, M
While in interphase, DNA is in the form called
Centromere
Chromosome
Tetrad
chromatin
3. Which stage of mitosis results in the chromosomes lining up in the center of the cell?
prophase
telophase
anaphase
metaphase
Nuclear membranes reform during
prophase
telophase
anaphase
metaphase
5. Which of the following is not unique to meiosis?
Tetrads
Chromosomal reduction
Formation of spindle fibers
Crossing over
6. Which of the following occurs in Meiosis II?
Tetrads form
Chromatids separate
Independent assortment
Chromosomal reduction results
7. The meiotic event which results in independent assortment is
Prophase I
Anaphase II
Metaphase II
Anaphase I
8. Which event happens in meiosis II?
Tetrad formation
Crossing over
Chromosomal reduction
None of the above
9. Unlike spermatogenesis, in oogenesis, cytokinesis occurs but not karyokinesis.
True
False
10. Which of the following statements in not true?
Mitosis is a form of cellular cloning
Meiosis is restricted to sex cell production
Cytokinesis must follow karyokinesis in spermatogenesis
Meiosis produces Diploid cells
(Development, tissues and Protein Synthesis)
How many nucleotides long is a codon?
20
2
3
4
Which of the following events occurs outside the nucleus?
RNA polymerase replication
Intron removal
Transfer RNA function
Maturing of the mRNA
Which of the following is the correct mRNA sequence for the following DNA sequence?:
A T T C G C G A T
A T T C G C G A T
T A A G C G C T A
A U U C G C G A U
U A A G C G C U A
How many total amino acids can the nucleotide sequence in Question 3 code for?
3
4
9
20
5. Which primary germ layer forms last?
Mesoderm
Ectoderm
Endoderm
They all form at the same time (you’re not going to trick me!)
Which primary germ layer develops into the brain?
Mesoderm
Ectoderm
Endoderm
Brainoderm
7. The center of the blastula is called the
blastopore
blastocore
blastocoel
Archenteron
8. The zygote is an unfertilized egg cell
True
False
9. Which of the following occurs immediately after the formation of the blastula?
Gastrulation
Primary cleavage
The morula
The cortical reaction
10. Which of the following statements is not true?
The acrosomal reaction follows the cortical reaction
Gastrulation results in the formation of germ layers
Early development is limited to mitosis as form of cell division
The blastopore is the opening of the archenteron
11. Which tissue type is contractile?
Epithelial
Muscle
Connective
Nervous
12. Which tissue type involves the process of ossification?
Epithelial
Muscle
Connective
Nervous
Quiz #9
(Genetics and Evolution)
1. Speciation that occurs in starts and stops over time is referred to as
Gradualism
Punctuated equilibrium
Inheritance of acquired characteristics
Spontaneous creation
What would cause a population to be out of in Hardy-Weinberg equilibrium?
No genetic drift is occurring
No mutations occurring
Natural selection is occurring
Random mating
3. If both parents possess brown eyes and they are both heterozygotes, what's the chance of their having a brown-eyed child?
25%
50%
75%
100%
4. A mutation involving the flipping of a portion of the DNA is called a
transposition
deletion
inversion
confusion
5. If the allele frequencies of a population are p = 0.1 and q = 0.9, what is the predicted frequency of the heterozygotes?
0.09
0.81
0.18
0.82
6. Characteristics that demonstrate incomplete dominance possess a phenotype like that of the homozygote dominant.
True
False
7. Which of the following is an example of post-zygotic reproductive isolation?
Hybrid sterility
Temporal barrier
Mechanical barrier
Ecological barrier
8. Which form of speciation is based on geographic isolation?
allopatric
sympatric
parapatric
Saint patrick
9. The measure of an organism’s relative fitness is a measure of its
Survivability
Strength
Reproductive output
Competitive ability
10. Darwin gained insight on the view that there is an avoidable struggle for existence from
Malthus
Hutton
Empedocles
Lyell
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