BIOTECHNOLOGY-II. MICROBIOLOGY AND BIOSTASTICS. TIME ...

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20 Φεβ 2013 (πριν από 4 χρόνια και 3 μήνες)

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BIOTECHNOLOGY
-
II.

MICROBIOLOGY AND BIOSTASTICS.

TIME : 3 HOURS.

Max. Marks :60


PART
-
I

(MICROBIOLOGY)

SECTION
-
A


I.ANSWER THE
FOLLOWING:


1.ENDOSPORE STAINING.

2.STRUCTURE OF TMV.

3.DISTINGUISH BETWEEN PATHOGENS AND PARASITES.

4.UV RAYS.


SECTION
-
B


II.ANSWER THE FOLLOWING.


5.ASEXUAL REPRODUCTION IN ALGAE.

6.PREVENTION OF TUBERCULOSIS.


SECTION
-
C


III.ANSWER ANY TWO OF THE FOLL
OWING:


7.WHAT ARE THE SYMPTOMS OF PNEUMONIA? EXPLAIN THE NATURE OF CAUSATIVE ORGANISM.

8.EXPLAIN GLYCOLYSIS WITH DIFFERENT ENZYMES INVOLVED IN THE PATHWAY. MENTION THE TOTAL
NUMBER OF ATP PRODUCED AT THE END OF GLYCOLYSIS.

9.EXPLAIN THE MECHANISM OF ELEC
TRON TRANSFER IN BACTERIAL PHOTOSYNTHESIS.

10. WRITE A SHORT NOTE ON:

a)CAPSULE. b) PHENOLS c)TEM d) BRANCHES OF MICROBIOLOGY.



PART
-
II

(BIOSTATISTICS)


IV. ANSWER ANY FOUR OF THE FOLLOWING


1. LIVES OF TWO MODELS OF REFRIGERATORE IN A SURVEY ARE AS
FOLLOWS:

SUGGEST WHICH MODEL TO BE PURCHASED.

LIFE TIME IN YEARS.

MODEL “A”

MODEL “B”

0
-
2 5 2

2
-
4 16 7

4
-
6

13 12

6
-
8 7 19

8
-
10 5 9

10
-
12


4

1



2. IN A SAMPLE OF 1000 CASES, THE MEAN MARK SCORED IN A CERTAIN TEST IS 14 WITH STANDARD

DEVIATION OF 2.5 ASSUME THE DISTRIBUTION TO BE NORMAL,FIND:

a.HOW MANY STUDENTS SCORED BETWEEN 12 AND 15?

b.HOW MANY STUDENT
S SCORED EXACTLY 16?

c.HOW MANY STUDENTS SCORED BETWEEN 10 AND 14?


3. THE FOLLOWING DATA GIVES NUMBER OF DEATHS TOOK PLACE DUE TO ROAD ACCIDENTS DURING
LAST MONTH IN A CITY.REPRESENT THE DATA BY A HISTOGRAM AND HENCE FIND MODE.

NO. OF. DEATHS. 0
-
3

3
-
6 6
-
9 9
-
12 12
-
15

NO. OF DAYS. 02 05 08 07 03


4.THE RESULT OF AN INVESTIGATION TO MEASURE THE EFFECT OF VACCINATION IS NOT EFFECTIVE.




GOT DISEASE


DID NOT GET DISEASE

VACCINATED

45

70

NOT VACCINATED

65

20


5.FIND MEAN,MEDIAN AND STANDARD DEVIATION FROM THE FOLLOWING DATA:

CI

0
-
4

4
-
8

8
-
12

12
-
16

16
-
20

20
-
24

24
-
28

28
-
32

FREQUENCY

08

09

12

07

05

04

03

02


6. EXPLAIN THE FOLLOWING.

a) TYPE I AND TYPE II ERROR.

b) NULL AND ALTERNATIVE HYPOTHE
SIS.