North Maharashtra University 2008 B.Sc Biotechnology F.Y..BASIC BIOLOGY - Question Paper

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NORTH MAHARASHTRA UNIVERSITY, JALGAON
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ques. Paper OF BIOTECHNOLOGY 2008

PAPER-I (BASIC BIOLOGY)

CLASS : F.Y.B.Sc.
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ques. for four marks.
1. Chargaffs rule.
2. Distinguish ranging from Ribose and Deoxyribose.
3. Distinguish ranging from nucleoside and Nucleotide.
4. Distinguish ranging from Purine and Pyrimidine.
5. discuss S-adenosylmethionine and cGMP.



ques. for two marks. (Multiple Choice)
1. RNA is made up of sugar …..
a) Ribose b) Deoxyribose
c) Ribulose d) Glucose
2. Base pairs per turn of helix of ß forms of DNA are
a) 11 b) 12
c) 10 d) 9
14
3. Which 1 is left handed DNA form ………………
a) A-DNA b) B-DNA
c) D-DNA d) Z-DNA
4. IUPAC name of odenine is …….
a) 6-aminopurine b) 6-oxypurine
c) 2-amino-6-oxyparine d) 2, 6-dioxypurine
5. Width of double hexis is ………
a) 34A° b) 20A°
c) 10A° d) 3.4A°
6. 3’ Terminal end of m-RNA contain a polymer of adenylate which known
as
a) Capping b) Polyadnylate
c) Poly (a) tail d) Name of these
7. Tm is greater for DNA with
a) Higher GC contain b) Higher temperature
c) Higher At Contain d) Long DNA strand
8. RNA Contain …… bases
a) ATGC b) AUGC
c) Xanthin d) All the above
Fill in the blanks :
1. The fundamental unit of genetic info is known as …..
2. Nuclic acid are the polymer of ……
3. The pyrimidine current in DNa but absent in RNA …..
4. Ribose of deoxyribose differ in their structure around carbon atom ….
5. Nucleotide is composed of ……
6. The scientist who observed that there exists a relationship ranging from the
content of purines and pyrimidine in DNA structure (A=T, G=C) …….
7. The base pair G-C is more stable and stronger than A-T due to …..
8. Under physiological conditions the DNA structure is predominantly in
the form ……
9. The acceptor arm of RNA Contains a capped nucleotide sequences

Earning:   Approval pending.