Top 80+ Solved Biotechnology Principles and Processes MCQ Questions Answer
Q. Which enzyme is used to break the membrane to relase plant DNA ?
a. Lysozyme
b. Chitinase
c. Cellulose
d. All the above
Q. Which enzyne is used to break the membrane to relase animal DNA ?
a. Lysozyme
b. chitinase
c. Celluose
d. All the above
Q. Which is the first step in the process recombinant DNA technology ?
a. denaturing of DNA
b. Annealing of DNA
c. Isolation of Donor DNA
d. Down streaming
Q. Which primers are used in annealing during amplification of gene ?
a. Reverse primers
b. Forward primers
c. Oligo nucleotide primer
d. Internal primers
Q. Which of the following is related with genetic engineering ?
a. Breeding
b. somatic hybridization
c. mutation
d. Transgenic
Q. What is C - DNA ?
a. circular DNA
b. Cloned DNA
c. DNA produced from reverse transcription of RNA
d. Cytoplasmic DNA
Q. Which of the bollowing statement is incorrect ?
a. cosmid contains gene coding for viral protein
b. cosmid relpicates like plasmids
c. cosmid has antibioticresistant marker gene
d. cos sit has 12 bases helping to join complete genome to make it circular
Q. The genetic recombinants obtained by in sertion of plasmid into 1 phage genome is called
a. cosmid
b. plasmid
c. phagmid
d. foreign DNA
Q. TATAATG sequnce near the RNA start point of phokaryotic promoter is......
a. NICKS
b. DNA marker
c. pallindrome
d. pribnow box
Q. Exonucleases cleaving nucleotides one at a time from the end of polynucleotide chain are.
a. Specific for 5’ end of RNA strand
b. specific for 3’ end of RNA strand
c. specific for both 5’ and 3’ ends of nucleotide strand
d. Non- specific for 5’ and 3’ ends of nucleotide
Q. Genes that are involved in turning on or off the transcription of a set of structural genes are called
a. Polymorphic genes
b. operator gene
c. Rebundant gene
d. Regulatory gene
Q. What are structure labelled A & B respectively
a. EcoRv restriction endonuclease and E coRv ligase
b. EcoRv ligase and EcoRv nuclease and EcoRvmethlase
c. Eco–– Rv restriction endo EcoRv methylase
d. EcoRv Polymerase and EcoRv methylase
Q. Can you pick up from the figure how bacteria protects its own genone from degradation by restreiction endonuclease ?
a. site specific coupling
b. site specific oxidizing
c. site specific oxidizing
d. site specific methylases
Q. This is figure of plasmid P BR322 Identiby what represented by A, B, and C
a. A TcR, B ApR and C EcorI
b. A TcR, B EcoRI and C ApR
c. A - EcorI, B ApR and C TcR
d. A ApR, B TcR and C EcoRz