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. discuss multiple fission.
2. discuss Binary fission.
3. discuss the physical factor oxygen concentration on Microbial growth?
4. Which pH level do bacteria prefers?
5. What is Cordial temperature.


ques. for two Marks.

1. describe growth.
2. Mitosis
3. Generation time
4. discuss C period and D period.
5. explain water activity on micro organism.
6. discuss Mesophiles OR Psychrophiles OR Thermophiles.



Multiple option ques. [1 Marks]
1. Generation of E-coli is ………..
a) 0.20 b) 6
c) 1.7 d) 0.43
2. Which of the subsequent organism is Mesophiles
a) E-coli b) Salmonella sp.
c) Pseudomonas d) Both ‘a’ and ‘c’
3. Diauxic growth means ………
a) Increase in cell number due to cell division
b) Growth due to accumulation of extra cellular products.
c) An increase in cell mass
d) all above
4. Pure water has aW =……
a) one b) 0.86
c) 0.75 d) 0.60
5. In ……………. Phase the cells are constantly reproducing and the cell
number increases as a function of exponent.
a) Hag phase b) Hog phase
c) Stationary phase d) Death phase

Earning:   Approval pending.