Sample Quiz
- What are the three parts of nucleotide?
- Use the base-pairing rule, write the complementary strand for the following DNA strand:
DNA strand: A-C-C-G-T-G-A-T-C
Complementary Strand:
- Which bases are purines? Pyrimidines?
- Define the following terms:
- Transcription
- Translation
- Stop codon and start codon
- Central dogma
- DNA replicaton
- How many amino acids can be encoded by the following base sequences?
TACTTTAGAGGACCAGTAATT
- What do you mean by term “Double helix”?
Sample Question Paper II (Multiple Choice Type)
- In which of the following processes does the DNA unzip?
- Transcription and translation
- Transcription and replication
- Replication and translation
- All of these.
- None of these.
- Which DNA strand can base pair to the following DNA strand?
A -T- G -C -T- A
- T-A-C-G-A-T
- A-T-G-C-T-A
- U-A-C-G-A-U
- A-U-G-C-U-A
- Which of the following nucleotide chains could be part of molecule of RNA?
- A-T-G-C-C-A
- A-A-T-A-A-A
- G-C-C-T-T-G
- A-U-G-C-C-A
- A Protein is assembled amino acid by amino acid during the process of……………
- Replication
- Translation
- Transcription
- Mutation
- Ribosomes:
- Transcribe the DNA code onto messenger RNA
- Binds the anticodons of the transfer RNA
- Transports the message from the nucleus to the cytoplasm
- Acts as a vice to hold the manufacturing apparatus together while the protein is being made.
- The DNA
- Contains the same amount of adenine as thymine
- Contains the same amount of cytosine as guanine
- One strand dictates the composition of the opposite strand.
- Carries the message from the nulceus to the cytoplasm for protein synthesis.
- a, b ,c are correct.
- c, d are correct.
- a,b, d are correct.
- The Nucleotides in a DNA consist of:
- a simple sugar; a phosphate group; an organic base
- a simple sugar and a phosphate group
- a phosphate group and a organic base
- a phosphate group, a protein, and a simple sugar.
- The organic bases in nucleic acids:
- are the same for RNA and DNA.
- Occurs in random amounts in RNA and DNA
- Are joined by hydrogen bonds on the interior of the double helix.
- carry the genetic code.
- c and d are correct.
- a and b are correct.
- Which of the following mRNA codons would cause synthesis of a protein to terminate?
- G-G-G
- U-A-C
- U-A-G
- A-A-G
- The discovery of restriction enzymes was important in the development of recombinant DNA technology because the restriction enzymes:
- Can cut DNA in to small fragments that may be inserted into the host DNA.
- Can act as vectors and insert foreign DNA in to the host.
- Edit mRNA to produce final protein.
- Cut DNA at specific nucleotides so that complementary DNA may be added at a known point.
- If you consider the making of a protein to cooking, which molecule is the cook?
- mRNA
- DNA
- t-RNA
- RNA Polymerase
- Ribosomes
- GM crops are important:
- As they can feed the poor and needy populations.
- As they can contribute in improving the economies of developing nations.
- As they can help farmers save money and increase their profit margins.
- As they can cause lower food prices.
- All are correct.
- (a) and (d) are incorrect.
- The following can be used as vectors:
- Viruses
- Plasmids
- Chloroplasts
- Mitochondria
- a and b are correct
- all are correct
- all are incorrect.
- Translation:
- is the process of translating the DNA code from the DNA.
- Is accomplished by RNA polymerase.
- Requires ribosomes.
- Requires removal of nucleosomes.
- The process of gel electrophoresis separates …………….fragments by using an electric field.
- DNA
- Cell
- Gel
- Enzymes
- In Agarose gel electrophoresis DNA is visualized in the gel by staining with
- ethydium bromide using UV illuminator.
- Ethylene oxide using UV illuminator.
- Alcohol using UV illuminator.
- None of the above.
- Grapple and Lemato are the examples of
- Hybrid foods
- Viruses
- Vectors
- Mutants
- In the fermentation of leavened bread by yeast, the bread rises due to:
- Carbon dioxide
- Water
- None of the above
- Oxygen
- The soaking of vegetables in the brine, while making “Kimchi” helps to
- eliminate possible harmful organisms.
- leave the halotolerant organisms to carry out fermentation.
- Add flavor to Kimchi.
- All are correct.
- The use of soapy detergent in the extraction of DNA helps to
- break down the cell membrane by dissolving the fatty molecules.
- add charges to the DNA molecule.
- neutralize the charges on the DNA molecule.
- None of the above.
- In Agarose gel electrophoresis, the DNA
- migrates to the negative electrode.
- migrates to the positive electrode.
- breaks down in small molecules.
- a, b, c are correct.
- All a, b, c are wrong.
- Biotechnology has applications in :
- Animal and human health
- Genetic counselling
- Forensic medicine
- All of the above
- Only (a) and (c)
- Which of the following is related with genetic engineering?
- Mitochondria
- Golgi apparatus
- Plasmids
- Lysosomes
- Recombinant DNA:
- Is defined as a mix of human and animal DNA
- Is required for human cloning
- Is required for repairing damaged DNA
- Contains a segment of DNA from a foreign source.
- Restriction enzymes :
- Cut the DNA so as to create sticky ends (1)
- Dissect DNA at specific nucleotide sequences
- All of the above are correct
- None of the above are correct
- To make Transgenic plants, one can use
- Agrobacterium tumefaciens
- A particle gene gun
- An injection of enzyme
- Only (a) and (b) are correct
- Only (b) and (c) are correct
- Which raw material is used in fermentation process of making beer?
- Sugar in fruits
- Protein in pulses
- Starch in cereals
- Starch in vegetables
- Which of the following is not an antibiotic?
- Aflatoxin
- Penicillin
- Chloromycin
- Streptomycin
- Who grants a patent?
- Local body
- State government
- Legal system
- Central Government
- Which of the following is used as biological warfare agent?
- Small pox virus
- Bacillus anthracis
- Both of these
- None of these
- Biopatents are awarded for the following
- Cell lines
- DNA sequences
- Strains of microorganisms
- All of these
- Which of the following is included under Intellectual Property rights?
- Copy rights
- Patents
- Plant breeder rights
- All of these
- What rights does a patent holder have?
- Right to make
- Right to use
- Right to export
- All of these.
- The criteria for a patent are
- Utility
- Inventiveness
- Novelty
- All of these
- The enzyme used for alcohol formation by fermentation is
- lipase
- zymase
- amylase
- invertase
- Complete the concept map by using the following vocabulary terms:
Transfer RNA, codons, messenger RNA, transcription, translation, ribosomal RNA.