BIOLOGY
Quiz by Arel Hayashi
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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?
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
