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1st Summative Test in Gen Bio II


Grade 11-12
Biology II
Philippines Curriculum: SHS Specialized Subjects (MELC)

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Measures 11 skills from
Grade 11-12
Biology II
Philippines Curriculum: SHS Specialized Subjects (MELC)


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30 questions
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  • Q1

     In gene cloning, a bacterial cell is used to make several copies of a gene of interest. Which of the following process is involved?


    Transcription and translation



  • Q2

      Which of the following splits or cuts the DNA to obtain the targeted gene?

    Scissor enzyme

    Activation enzyme

    Restriction enzyme


  • Q3

    Which of the following refers to the process of attaching fragments of DNA from different sources?

    Gene Splicing

    Scissor enzyme

    Recombinant DNA

    Restriction enzyme

  • Q4

    One of the earliest developments in the field of recombinant DNA technology is the production of insulin used in the treatment of diabetes. Outline the production process of human insulin by genetic engineering method by arranging these steps in correct order.

    I. Human insulin-producing gene is inserted into the bacterial plasmid vector to form the recombinant DNA of human insulin-producing gene.

    II. A plasmid DNA is extracted from a bacterium and cut with restriction enzyme, forming plasmid vector.

    III. Introduce this recombinant DNA into a bacterial cell to form the recombinant bacterium.

    IV. The recombinant bacteria multiply in a fermentation tank and produce human insulin. Insulin is extracted, purified and bottled. It is then ready to be injected into diabetic patients.

    V. Human insulin is extracted from pancreas cells and an insulin-producing gene is isolated.





  • Q5

    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 function according to the new set of codes from the DNA.

    It will have a different shape to adjust to the new code.

    It will try to mimic its environment in order to survive.

    It will be destroyed as a new load of information is unhealthy.

  • Q6

    1.    Analyze the two statements. What can you infer from these?

    I. Genetically modified plants have created resistance to harmful agents, enhanced product yield, and shown increased adaptability for better survival

    II. Recombinant DNA technology has applications in various area like medicine focusing in the discoveries of medicine to cure and improve human health and nutrition

    Statement II is correct

    Statement I are correct

    Statement I and II are incorrect

    Statement I and II are correct

  • Q7

    How will you describe the Geologic Time Scale?

    It sectioned the history of the earth based on non-living things that have existed during specific times since the creation of the planet.

    It sums up the history of the earth based on life-forms that have existed during specific times since the creation of the solar system.

    It divides up the history of the earth based on spheres of the Earth where life-forms have existed during specific times since the creation of the planet.

    It divides up the history of the earth based on life-forms that have existed during specific times since the creation of the planet.

  • Q8

    In the history of life on Earth, how will you describe the earliest life-forms that had existed?

    They are simple organisms that later evolve to more complex organisms.

    They are simple organisms that thrive with the minimal necessary to


    They require minimal metabolic processes, but they are also complex


    They are very adaptive and complex.

  • Q9

    Geologic time is a tool used by geologists to determine the history of the earth. It is the standard timeline that describes the age of rocks and fossils that are formed on the Earth's surface. When rock sand geologic events are described chronologically without emphasizing the actual dates, what time of geologic time is obtained?

    Relative Geologic Time

    Geologic Formation Time

    Absolute numerical geologic time

    Correlation Geologic Time

  • Q10

    Green salagubang are easily spotted by birds that may feed on them. Since salagubang usually lives on logs and warm dark areas or part of a tree, over the course of time those with green colors became scarce after being easily eaten by prey such as birds. The surviving brown salagubang passed on their genes to their offspring which is why most of the salagubang that you see around are brown or dark-colored. Which of the following mechanism is shown in this scenario?

    Generic Drift


    Natural Selection

    Random Mating

  • Q11

    When male lions reach sexual maturity, they leave their group and migrate in search of a new pride. This can alter the allele frequencies of the population through which of the following mechanisms?

    genetic drift

    natural selection

    gene flow

    random mating

  • Q12

    How will you differentiate artificial selection from natural selection?

    Artificial selection happens in laboratories while natural selection happens in nature.

    Both statements are true

    Both statements are not true

    Artificial selection is manipulated by humans and natural selection is dictated by the environment of the organisms.

  • Q13

    One of his main studied specimens are the birdwing butterflies which helped him to also theorized on the divergence of species from a single original species, he reasoned that struggle for existence of the organisms lead to such process.

    Jean Baptiste Lamarck

    Charles Darwin

    Alfred Russel Wallace

    Albert Einstein

  • Q14

    Explain how patterns of descent with modification from common ancestors produce the organismal diversity of the present.

    Old organisms habitually use their organs and traits until it became dominant to suit their needs.

    All of the above

    Old species with favorable traits suited in their environment will pass on the said trait to their offspring, this process will continue until such time that an organism with specialized trait arrived, giving way to a new different species.

    Disuse of some part of the genes of an organism lead to mutation which in turn will be passed on to its offspring

  • Q15

    Which among the following best explain the fossil records as an evidence of evolution?

    Fossils suggest that the Earth is not the same as it is today, for instance there were once a massive interconnected land termed as Pangaea.

    Fossils recorded the history of life on Earth and indicates that ancient life forms were different from modern day species.

    Recorded events from the past indicates that the Earth was once filled with water.

    Recorded activities of animals from prehistoric times suggest that people came from monkeys.


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