Are you searching for Solapur University B.Sc-II third semester question paper? Here you can get Microbial Genetics April 2015 Question paper.
Solapur University
B.Sc. – II (Semester – III) Examination, 2015
MICROBIOLOGY (Paper – VI) (New)
Microbial Genetics
Day and Date : Friday, 29-5-2015 Max. Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
N. B. :
1) All questions are compulsory.
2) Figures to right indicate full marks.
3) Draw labelled diagrams wherever necessary.
1. Rewrite the following sentences by choosing correct answer : 10
1) The deoxyribose sugar is __________ type of sugar.
a) triose b) tetraose c) pentose d) hexose
2) A single giant molecule of DNA represents genetic material of ________
a) bacteria b) protozoa c) algae d) fungi
3) The gene as a unit of function is called ____________
a) recon b) muton c) exon d) cistron
4) The coding sequences of gene are termed as __________
a) intron b) exon c) cistron d) recon
5) The number of nucleotides present in one turn of A form of DNA is _________
a) 91/3 b) 10 c) 11 d) 8
6) 2-aminopurine is an analog of _________ base.
a) guanine b) adenine c) cytosine d) thymine
7) The process of naked, soluble DNA transfer is known as _________
a) conjugation b) transformation
c) transfection d) transduction
8) ____________ cuts DNA molecule in dark repair mechanism.
a) polymerase b) exonuclease
c) endonuclease d) photolyase
9) Maleness in bacteria is because of the presence of ________ plasmid.
a) R c) Col c) Ti d) F
10) Tautomerism is the cause of ___________ mutation.
a) spontaneous b) reverse c) back d) silent
2. Write any five : 10
1) Describe genotype.
2) What are interrupted genes ?
3) What is a missense mutation ?
4) Describe non-overlapping nature of genetic code.
5) What is photoreactivation ?
6) What is transfection ?
3. A) Write any two : 6
1) Write properties of DNA.
2) Describe semiconservative mode of replication.
3) Describe effect of acridine dyes and U.V. rays on DNA.
B) Give an account of types of mutations. 4
4. Write any two : 10
1) Write on properties of genetic code.
2) Give an account of transformation.
3) Describe process of conjugation.
5. Write any two : 10
1) Give an account of plasmids.
2) Write on DNA repair mechanisms.
3) Write on mechanism of mutagenesis caused by base analogs, alkylating agents.
Solapur University
B.Sc. – II (Semester – III) Examination, 2015
MICROBIOLOGY (Paper – VI) (New)
Microbial Genetics
Day and Date : Friday, 29-5-2015 Max. Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
N. B. :
1) All questions are compulsory.
2) Figures to right indicate full marks.
3) Draw labelled diagrams wherever necessary.
1. Rewrite the following sentences by choosing correct answer : 10
1) The deoxyribose sugar is __________ type of sugar.
a) triose b) tetraose c) pentose d) hexose
2) A single giant molecule of DNA represents genetic material of ________
a) bacteria b) protozoa c) algae d) fungi
3) The gene as a unit of function is called ____________
a) recon b) muton c) exon d) cistron
4) The coding sequences of gene are termed as __________
a) intron b) exon c) cistron d) recon
5) The number of nucleotides present in one turn of A form of DNA is _________
a) 91/3 b) 10 c) 11 d) 8
6) 2-aminopurine is an analog of _________ base.
a) guanine b) adenine c) cytosine d) thymine
7) The process of naked, soluble DNA transfer is known as _________
a) conjugation b) transformation
c) transfection d) transduction
8) ____________ cuts DNA molecule in dark repair mechanism.
a) polymerase b) exonuclease
c) endonuclease d) photolyase
9) Maleness in bacteria is because of the presence of ________ plasmid.
a) R c) Col c) Ti d) F
10) Tautomerism is the cause of ___________ mutation.
a) spontaneous b) reverse c) back d) silent
2. Write any five : 10
1) Describe genotype.
2) What are interrupted genes ?
3) What is a missense mutation ?
4) Describe non-overlapping nature of genetic code.
5) What is photoreactivation ?
6) What is transfection ?
3. A) Write any two : 6
1) Write properties of DNA.
2) Describe semiconservative mode of replication.
3) Describe effect of acridine dyes and U.V. rays on DNA.
B) Give an account of types of mutations. 4
4. Write any two : 10
1) Write on properties of genetic code.
2) Give an account of transformation.
3) Describe process of conjugation.
5. Write any two : 10
1) Give an account of plasmids.
2) Write on DNA repair mechanisms.
3) Write on mechanism of mutagenesis caused by base analogs, alkylating agents.
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