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BIOLOGY

Quiz by Arel Hayashi

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30 questions
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  • Q1

    When an extra base is inserted into the DNA sequence of a gene, the protein doesn't work. Which explains why?

    the base increases rate of translation

    the base signals enzymes to translate DNA rather than RNA

    the inserted base causes the codons in the sequence to be incorrect for the desired protein

    the base causes DNA to be transcribed in opposite direction

    60s
  • Q2

    Nitrogenous bases are joined by which type of bond?

    polar bonds

    covalent bonds

    ionic bonds

    hydrogen bonds

    30s
  • Q3

    Which of the following statements about DNA and RNA is true?

    DNA contains uracil, while RNA contains thymine.

    The kinds of sugar in the nucleotides of DNA and RNA differ.

    DNA contains nitrogenous bases and phosphates, while RNA does not.

    RNA is arranged in a double helix.

    60s
  • Q4

    Which among the following is a disadvantage of genetic engineering in terms of agriculture?

    Create plants that no longer need chemical pesticides

    Develop plants with enhanced nutrition

    Have the ability to cause mortality to non-related insects

    Increase the production of marketable plants

    60s
  • Q5

    A murder weapon is found with blood stains in a crime scene and DNA fingerprint were obtained from the murder weapon. Among the suspects who is most likely the culprit?

    Question Image

     All 3

    Suspect 3

    Suspect 1

    Suspect 2

    60s
  • Q6

    Which among the following correctly describes a phosphodiester bond?

    It is the connection between nitrogenous bases A and T

    It is the connection between nitrogenous bases G and C

    It is the connection between sugar group of a nucleotide into the phosphate group of another nucleotide

    All of these

    60s
  • Q7

    Adenine and Guanine have 2 hydrogen bonds. Cytosine and Thymine have 3 hydrogen bonds. Which among the follow will correctly correspond to the two statements above?

    Statement 1 is incorrect; Statement 2 is correct 

    Both statements are correct

    Statement is correct; Statement 2 is incorrect B. Statement 1 is incorrect; Statement 2 is correct C. Both statements are correct D. Both statements are incorrect

    Both statements are incorrect

    60s
  • Q8

    The bacteria Escherichia coli has 24% adenine. Which among the following presents the correct data following Chargaff's rule?

    Cytosine: 26% Thymine: 26% Guanine: 26%

    Cytosine: 24% Thymine: 26% Guanine: 24%

    Cytosine: 26% Thymine: 24% Guanine: 26%

    Cytosine: 26% Thymine: 26% Guanine: 24%

    60s
  • Q9

    Organisms in the Kingdom Animalia are ___________.

    unicellular and heterotrophic

    multicellular and autotrophic 

    unicellular and autotrophic

    multicellular and heterotrophic

    60s
  • Q10

    Which among the following presents the 8 levels of classification, from the most broad to the most specific?

    Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus

    Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order

    Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species

    Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

    60s
  • Q11

    Which domain contains organisms that are unicellular, prokaryotic, and can cause illness yet also make food such as yogurt?

    Protista

    Bacteria

    Eukarya

    Archaea

    60s
  • Q12

    Which among the following exhibits appropriate representation of the kingdoms in Whittaker's 1969 Kingdom system of classification?

    Domains are the highest level of classification.

    Protists are further divided into plant-like and animal-like protists.

    Fungi is considered as a separate kingdom due to its inability to photosynthesize

    Monerans are further divided into Kingdom Archaebacteria and Kingdom Eubacteria.

    60s
  • Q13

    A lab teacher wants to demonstrate thigmotropic behavior of a plant. Which of these experiments is the best choice?

    seedling germinating under a stone & growing upward

    venus fly trap snapping on an insect

    plant growing towards a shaded area plant.

    roots growing downwards 

    60s
  • Q14

    The process of bulk flow transports fluids in a plant. What are the two main bulk flow processes?

    Movement of water up the xylem and movement of solutes up and down the phloem

    Movement of water up the phloem and movement of solutes up and down the xylem.

    Movement of solutes up the xylem and movement of water up and down the phloem

    Movement of water up and down the xylem and movement of solutes up the phloem

    60s
  • Q15

    Which among the following is/are lacking in bryophytes?

    I. cell walls   II. chlorophyll   III. vascular tissue

    I and Ill

    Il only 

    Il and Ill

    Ill only

    60s

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