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MidTerm Examination in General Biology 2

Quiz by Arjay Alarcon

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50 questions
Show answers
  • Q1
    Scientists discovered that a specific fragment of the organisms’ DNA is responsible in coding for its specific trait such as hair/skin/fur color. What is this fragment called?
    Deoxyribonucleic acid
    Chromosomes
    RNA
    Genes
    30s
  • Q2
    The second basic step to genetic engineering is:
    Target specific part of the DNA and cut it into three
    Target the specific part of the DNA to be cut by a specialized enzyme
    Target the special gene of interest and dissolve in saltwater
    Target specific part of the DNA and let RNA translates it
    30s
  • Q3
    The third basic step in genetic engineering is the process of combining fragments of DNA from different sources, this process may also be called:
    Gene splicing
    Gene recombination
    Gene therapy
    Gene combination
    30s
  • Q4
    Once the new DNA, is formed, which is a combination of fragments of DNA from different sources, it is already termed as:
    Recombinant DNA
    Organic Compound
    Genetically modified cell
    DNA molecule
    30s
  • Q5
    Lastly, the new DNA produced through genetic engineering will be introduced to a host cell to see how it will code for a new protein. What concept in biology is highlighted in this step?
    Law of conservation of energy
    Law of inheritance
    Central Dogma of Molecular Biology
    Central Atom of Molecules
    30s
  • Q6
    Living cells follow a specific hierarchy of command in directing the traits of the individual. What will happen to the new individual cell as a new engineered DNA was introduced to it?
    It will have a different shape to adjust to the new code.
    It will be destroyed as a new load of information is unhealthy.
    It will try to mimic its environment in order to survive.
    It will function according to the new set of codes from the DNA.
    30s
  • Q7
    What application of Recombinant DNA technology is used by farmers in order to produce a better yield in crops, a better quality of crops, and easier pest control?
    Medical Advancement
    Industry
    Agri-business
    Agriculture
    30s
  • Q8
    In the field of medical advancement, one of the earliest developments in the field recombinant DNA technology is the production of _________, which is mainly used in the treatment of diabetes.
    Flvr-Svr Tomato
    Glucose
    Insulin
    BTCorn
    30s
  • Q9
    The name of the experiment which helped answer many questions about the origin of life on Earth:
    Miller-Urey Experiment
    Charles Darwin’s Origin of Specie
    Patrick-Miller Experiment
    Urey-Gagarin Experiment
    30s
  • Q10
    Which among the following is believed to be the predecessors of life because its existence is vital in the development of the first primitive cell?
    Organismal Biology
    Inorganic Compound
    Organic Compound
    RNA
    30s
  • Q11
    In geologic time scale, what is the longest subdivision, they are namely the Precambrian and the Paleozoic.
    Era
    Epoch
    Period
    Eon
    30s
  • Q12
    Which among the following best explain recombination as a mechanism of evolution?
    Recombination happens when two identical cells cross over one another and exchange information between their nuclei.
    Recombination is a natural process which happens during meiosis, it is the crossing over of the homologous chromosomes that resulted in gene variation and random gene exchange.
    Recombination is the process of combining two parts of DNA to create a new one in the cell’s pursuit to fight off foreign bodies.
    Recombination resulted from the mitosis of cells to repair the damage.
    30s
  • Q13
    How will you differentiate artificial selection from natural selection?
    Artificial selection is manipulated by animals and natural selection is dictated by the environment of the organisms.
    None of the above
    Artificial selection happens when nature dictates the fittest organisms to survive and continue their generation, while natural selection is a laboratory type of selectively choosing the best DNA copy from cells.
    Artificial selection happens in laboratories while natural selection happens in nature
    30s
  • Q14
    What is the shortest subdivision in the geologic time scale and is marked by differences in life forms and can vary from continent to continent?
    Eon
    Epoch
    Era
    Period
    30s
  • Q15
    Name the era, which is divided into three periods, and is considered as the age of reptiles.
    Mesozoic
    Cambrian
    Cenozoic
    Paleozoic
    30s

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