Basic concepts: basic biological themes, hierarchy of organisms, diversity and domains, genetics and evolution, adaptations, fossil record and early life, geology, reproduction, genome and speciation.
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Biology 205 (BIOL 205-UCAL) Midterm I
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Question 1 |
A | Genetic drift |
B | Gene flow |
C | Introduction of new species |
D | Mutations |
Question 2 |
A | All the dogs and cats living in the City of Calgary. |
B | All the insects living in the City of Calgary. |
C | All the birds living in the entire world. |
D | All the insects living in the entire world. |
E | All the humans living in the City of Calgary. |
Question 3 |
A | It is the process in which two interbreeding individuals produce a zygote. |
B | It is a process in which the new species are created with completely independent (100% different) characteristics from that of the original species. |
C | It is the process in which DNAs react with other biochemicals to produce life. |
D | It is the process in which one species splits into two or more species. |
Question 4 |
A | genetic drift |
B | bottleneck effect |
C | adaptation |
D | evolution |
E | genetic shift |
Question 5 |
According to the following table, what is the total number of plants in this gene pool?
Table 1: Gene pool of the original rose plants.Red is dominant and White is recessive.
A | 408 |
B | 600 |
C | 216 |
D | 500 |
E | 576 |
Question 6 |
A | ...the origins of life. |
B | ...the origins of life plus how new species adapt and evolve. |
C | ...how new species adapt and evolve. |
D | ...genetic variation caused by mass extinctions and repopulation cycles. |
Question 7 |
A | It is a proposed explanation for a set of observations. |
B | It is an idea which is still not been proven with a body of evidence. |
C | It is a statement of facts supported by a large body of evidence. |
D | It is a conceptual model developed by a scientist before a research project is undertaken. |
Question 8 |
A | Organelle |
B | DNA |
C | Cell |
D | Nucleus |
E | Bacteria |
F | Nucleotide |
Question 9 |
A | It is the process in which genetic mutation occur and lead to new forms of life. |
B | It is the process in which the dominant hunters eliminates another group of organisms. |
C | It is the process in which the current organism differentiate from its' ancestors. |
D | It is a process in which a new forms of traits are developed into a phenotype (as opposed to just genotypes). |
E | It is the process in which certain inherited traits are survived and reproduced than the other traits. |
Question 10 |
A | ...no gene flow between populations. |
B | ...random mating. |
C | ...very small population. |
D | ...no natural selection. |
E | ...no mutations. |
Question 11 |
A | It is the process in which the new genes are produced in order to survive in a changing environment. |
B | It is the process in which organisms evolve. |
C | It is an inherited characteristic that enhances an organism's ability to survive and reproduce in a particular environment. |
D | It is the process which an organism enhances the probability of survival through acquired characteristics. |
Question 12 |
A | A population study. |
B | A community study. |
C | An ecosystem study. |
D | Organisms study. |
Question 13 |
A | I. Biology II. evolution |
B | I. Biology II. natural selection |
C | I. Biology II. genetic drift |
D | I. Ecology II. natural selection |
E | I. Ecology II. genetic drift |
Question 14 |
A | phylogenetic |
B | ecological |
C | biological |
D | morphological |
Question 15 |
A | A specific area of study used to derive a hypothesis or a theory. |
B | All the organisms in a specific area along with nonliving factors with which they interact. |
C | A specific group of species, such as humans, living under a specific area and their interactions among living organisms. |
D | An isolated system of organisms in which a specific population lives. |
E | All the living organisms and their interaction among each other. |
Question 16 |
I. Polymerization of monomers
II. Replication of RNA molecules and passing of biological information from one cell to another.
III. Abiotic synthesis of important molecules from simpler chemicals in the atmosphere.
IV. Enclosure within a lipid membrane ("protocells"), which maintained a distinct internal environment.
A | III (first to occur) , I , IV , II (last to occur) |
B | I (first to occur) , III , II , IV (last to occur) |
C | III (first to occur) , IV , I , II (last to occur) |
D | III (first to occur) , I , II , IV (last to occur) |
E | I (first to occur) , IV , III , II (last to occur) |
F | I (first to occur) , III , IV , II (last to occur) |
Question 17 |
A | Frictional energy generated by plate tectonics in the deep sea. |
B | Nuclear energy released from binding of monomers. |
C | Thermal energy from hydrothermal vents. |
D | Thermal energy from the sun. |
E | Nuclear energy from the remaining elements within the gas cloud from the original nebula. |
Question 18 |
A | RNAs |
B | DNAs |
C | mRNAs |
D | homeotic genes |
Question 19 |
A | The new offspring have a weak immune system. |
B | The individual organisms are unable to produce a fertilized cell. |
C | The species live in different habitat within the same area and would not meet each other. |
D | The mating behavior of one species is completely different from the other. |
Question 20 |
According to the following table, what are the two possible number of total alleles for Rr in this gene pool?
Table 1: Gene pool of the original rose plants.Red is dominant and White is recessive.
A | 323 (R) + 61 (r) |
B | 61 (R) + 131 (r) |
C | 131 (R) + 61(r) |
D | 192 (R) + 192 (r) |
E | 61 (R) + 323 (r) |
Question 21 |
According to the following table, what are the genotype frequencies for all three possible outcomes?
Table 1: Gene pool of the original rose plants.Red is dominant and White is recessive.
A | RR = 0.62 , Rr = 0.30 , rr = 0.04 |
B | RR = 0.62 , Rr = 0.30 , rr = 0.08 |
C | RR = 0.60 , Rr = 0.32 , rr = 0.08 |
D | RR = 0.64 , Rr = 0.32 , rr = 0.04 |
E | RR = 0.64 , Rr = 0.30 , rr = 0.08 |
F | RR = 0.60 , Rr = 0.36 , rr = 0.04 |
Note that you divide possible number of genotypes by the total number of plants for the each frequency.
Question 22 |
A | Sexual reproduction |
B | Natural selection |
C | Evolution |
D | Speciation |
E | Gene division and recombination |
Question 23 |
A | ...sexually reproducing populations. |
B | ...genetically isolated populations. |
C | ...small populations. |
D | ....asxually reproducing populations. |
E | ...geographically isolated populations. |
F | ...very large populations. |
Question 24 |
A | It can produce new genotypes that favors the entire global population of a species. |
B | It favors characteristics in a population that fit the current local environment. |
C | It favors only the characteristics that benefit the specific population. |
D | It can change the characteristics of a population in one of very few changes to the genetic code in a very short period of time. |
Question 25 |
A | The variation in depth of view in eyesight among humans. |
B | The number of brains humans could have. |
C | The amount of semen/sperms that will be ejected during an ejaculation by humans. |
D | The eye colour of humans. |
Question 26 |
A | I. eukaryotes II. 4.3 billion |
B | I. eukaryotes II. 3.5 billion |
C | I. prokaryotes II. 3.5 billion |
D | I. prokaryotes II. 4.3 billion |
Question 27 |
A | The total collection of genes in a species at any one time. |
B | The total collection of genes in a kingdom at any one time. |
C | The total collection of genes in a population at any one time. |
D | The total collection of genes in a family at any one time. |
Question 28 |
A | Human females choosing specific traits such as eye colour and height of donors when selecting sperm from a sperm bank. |
B | Large variation in types of dogs (breeds) due to selective breeding. |
C | The better taste and large size of famed berries verses smaller wild berries. |
D | Genetically modified food such as bananas that converted wild inedible fruits to consumables. |
E | Dramatic reduction in salmon population due to excessive overfishing. |
Question 29 |
A | 30% or more |
B | 50% or more |
C | 90% or more |
D | 100% |
E | 10% or more |
Question 30 |
A | Plants and Eukarya |
B | Bacteria and Eukarya |
C | Bacteria and fungi |
D | Plants and Animals |
E | Bacteria and Archaea |
Question 31 |
A | first-order reasoning or first order analysis. |
B | scientific process. |
C | inductive reasoning. |
D | experimental process. |
E | deductive reasoning. |
Question 32 |
A | Theory is similar to hypothesis but it covers a broader scope of the subject than a hypothesis. |
B | Theory and hypothesis are two terms that can be used interchangeably (same or very similar meaning). |
C | Theory can not be disproved with new evidence but hypothesis can be because hypothesis is a "working theory". |
D | Theory is similar to hypothesis but it covers a specific area of the subject than a hypothesis. |
E | Theory is used to describe fundamental principles of science while a hypothesis is used to describe first-order observable properties. |
Question 33 |
A | Intra- and inter-sexual selection |
B | Heterozygote advantage |
C | Genetic drift |
D | Continental drift |
Question 34 |
A | molecule, tissue, cell, organ, organ system, organism, population, community, ecosystem |
B | cell, molecule, organ system, organ, tissue, population, organism, ecosystem, community |
C | ecosystem, population, organ system, cell, community, molecule, organ, organism, tissue |
D | cell, molecule, organ system, organ, population, tissue, organism, ecosystem, community |
E | molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem |
Question 35 |
On 26 December 2004, undersea megathrust earthquake West of Sumatra, Indonesia resulted in a Tsunami. The waves wiped out a population of cattle (cows) on the Eastern part of Sri Lanka. However, out of 2000 cattle, about 150 were able to escape death. Since the 2004 Tsunami, the cattle population has rebounded back to almost its original level. What is the major impact on the gene pool of the new generation of cattle after the Tsunami in this particular region?
A | The population is most likely experiencing bottleneck effect, where there is a drastic reduction in genetic variations. |
B | The population most likely benefited from this catastrophic event because with reduce number of individuals, there is less competition for mating. |
C | The population is most likely underwent extremely fast evolution. |
D | The new population most likely experiencing large scale genetic mutations due to limited partners for mating. |
E | The new population most likely will not survive for a long period without a gene flow between themselves and another unrelated population. |
Question 36 |
A | sudden specialization of DNA |
B | advanced civilization |
C | evolutionary adaptations |
D | sexual reproduction |
Question 37 |
According to the following table, what is the total number of alleles in the gene pool?
Table 1: Gene pool of the original rose plants.Red is dominant and White is recessive.
A | 660 |
B | 600 |
C | 500 |
D | 570 |
E | 1200 |
Question 38 |
A | Genetic drift |
B | Founder effect |
C | Disruptive selection |
D | Adaptive radiation |
E | Higher relative fitness |
Question 39 |
A | Your great great (great....) grand parents must be nonhuman primates. |
B | These relationships between human and nonhuman primates demonstrate unity among all living organisms. |
C | nonhuman primates must have exchanged DNA with humans millions of years ago. |
D | The main statement in this question itself is the evidence that we all evolved from Africa. |
Question 40 |
A | A population in which whose members are genetically related to each other. |
B | A group of populations whose members have the potential to interbreed. |
C | A group of organisms whose members have the potential to reproduce either by sexual or asexual reproduction. |
D | A group of organisms living in the same community. |
Question 41 |
A | Similarity in characteristics caused by one dominant allele is known as homology, while similarity in characteristics caused by two recessive alleles known as analogy. |
B | Similarity in characteristics caused by convergent evolution is known as homology, while similarity in characteristics caused by is sharing a common ancestor known as analogy. |
C | Similarity in characteristics caused by one dominant allele is known as analogy, while similarity in characteristics caused by two recessive alleles known as homology. |
D | Similarity in characteristics caused by convergent evolution is known as analogy, while similarity in characteristics caused by is sharing a common ancestor known as homology. |
Question 42 |
A | ...eukaryotic cells with mostly macroscopic unicellular organisms. |
B | ...prokaryotic cells with mostly macroscopic muticellular organisms. |
C | ...eukaryotic cells with mostly macroscopic multicellular organisms. |
D | ...prokaryotic cells with mostly macroscopic unicellular organisms. |
E | ...prokaryotic cells with mostly microscopic unicellular organisms. |
F | ...eukaryotic cells with mostly microscopic unicellular organisms. |
Question 43 |
A | 232 = 529 combinations |
B | 23 combinations |
C | 223 = 8.39 x 106 combinations |
D | 23 x 2 = 46 combinations |
E | 23/2 = 11.5 combinations |
Question 44 |
A | Because he assumed that inheritance traits can only be passed down to the offspring by the male population (fathers). |
B | Because he assumed that inheritance traits also includes acquired characteristics. |
C | Because he refused that the environment also pays a vital role in evolution of desired traits. |
D | Because he refused genetic variation within the same species. |
Question 45 |
Modified from: http://upload.wikimedia.org/wikipedia/commons/8/84/Selectiontypes-n0_images.png
A | I. Directional selection II. Stabilizing selection III. Disruptive selection |
B | I. Disruptive selection II. Stabilizing selection III. Directional selection |
C | I. Directional selection II. Disruptive selection III. Stabilizing selection |
D | I. Disruptive selection II. Directional selection III. Stabilizing selection |
E | I. Stabilizing selection II. Disruptive selection III. Directional selection |
F | I. Stabilizing selection II. Directional selection III. Disruptive selection |
Question 46 |
A | I. physical characteristics/traits II. asexually and sexually reproducing organisms. |
B | I. potential to interbreed in nature II. asexually and sexually reproducing organisms. |
C | I. potential to interbreed in nature II. fossils only. |
D | I. physical characteristics/traits II. fossils only. |
E | I. DNA/chemical characteristics/traits II. asexually and sexually reproducing organisms. |
Question 47 |
A | p2 |
B | 2q |
C | pq |
D | 2pq |
E | 2p |
Question 48 |
A | ...the mantle. |
B | ...the crust. |
C | ...the outer layer. |
D | ...the outer core. |
Question 49 |
A | Metamorphic rocks |
B | Igneous rocks |
C | Sedimentary rocks |
D | Punk rocks |
E | Clastic rocks |
Question 50 |
A | No, because we use fossils record for age determination. |
B | Yes, because we can extrapolate the history from the type of sediments. |
C | No, because there is no useful evidence for the history without living or non-living (abiotic) organisms within the rock strata. |
D | Yes, because we can use radiometric dating of the sediments. |
Question 51 |
A | oxygen |
B | carbon dioxide |
C | ammonia |
D | water |
E | hydrogen |
F | nitrogen |
Question 52 |
A | population |
B | community |
C | individual |
D | organ |
E | DNA |
Question 53 |
According to the following table, what are the allele frequencies in this gene pool (last row in the table, but remember, there are only two frequencies)?
Table 1: Gene pool of the original rose plants.Red is dominant and White is recessive.
A | R = 0.63 and r = 0.37 |
B | R = 0.20 and r = 0.80 |
C | R = 0.37 and r = 0.63 |
D | R = 0.04 and r = 0.96 |
E | R = 0.96 and r = 0.04 |
F | R = 0.80 and r = 0.20 |
Question 54 |
A | ...by sexual reproduction at first and later by both sexual and asexual reproduction. |
B | ...by accumulating small changes over a a long period of time. |
C | ...by interbreeding. |
D | ...through sudden changes in gene frequencies. |
Question 55 |
A | Spinal cord |
B | Nails |
C | Appendix |
D | Hypothalamus |
Question 56 |
A | Either because it is all depend on the type of organisms and their living environment. |
B | Postzygotic barriers |
C | Prezygotic barriers |
D | Neither because natural selection do not act at this level of life. |
Question 57 |
A | It the process in which natural selection either modify, delete or replicate alleles from genes. |
B | It a process in which alleles from one population is transferred to another as a result of movement of individuals or gametes. |
C | It is the process in which alleles are randomly selected for fertilization. |
D | It is the process in which RNA copy the DNA sequences and reproduce them by binding to proteins. |
Question 58 |
A | The observation he made that all species will only produce offspring than the environment can support. |
B | Ideas and concepts taken out of the book: Principles of Geology by Charles Leyell. |
C | Domesticated species like dogs in which humans have used artificial selection to produce animals with desirable traits. |
D | The observation he made that members of a population often vary in their inherited traits. |
Question 59 |
A | The environment in which the pest population live may have acted as a barrier to the pesticides' effectiveness. |
B | Some individuals in a particular pest population may have the pesticide resistant alleles. |
C | The natural selection may have created new alleles that are resistant to pesticides. |
D | The evolutionary mechanisms may have introduced a new alleles to the population that resist pesticide. |
Question 60 |
A | Gondwanaland |
B | Pangaea |
C | Laurasia |
D | Diablo |
Question 61 |
A | Geographic speciation |
B | Reproductively isolated speciation |
C | Polyploidy speciation |
D | Habitat speciation |
Question 62 |
A | fungi |
B | stromatolites |
C | eukaryotic cells |
D | bacteria |
Question 63 |
A | 1.5 bya |
B | 4.6 bya |
C | 2.1 bya |
D | 3.5 bya |
Question 64 |
A | Human limb and whale flipper. |
B | Bat wing and insect wing. |
C | Oak leaf and maple leaf. |
D | Oak leaf and oak root. |
E | Human thumb and chimpanzee arm. |
Question 65 |
A | Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. |
B | Prokaryotics cells are the most common type of cells in the living world that made up of plants, animals and fungi. The Prokaryotics cells are only found in bacterias. |
C | Eukaryotic cells are usually unicelluar and thought to be responsible for early life on Earth while Prokaryotics cells evolved later in the biological evolution. |
D | Eukaryotic cells are specialized cells while Prokaryotics cells can be specialized into any type of cell. |
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Credits: Based on the excellent class notes provided by, Dr. K. Ruckstuhl during Fall 2014.
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