# Annamalai University December Question Paper,B.Sc.(MICROBIOLOGY) : GROUP-B: ANCILLARY)

Annamalai University Question Paper December 2014
B.Sc. DEGREE EXAMINATION December 2014
(MICROBIOLOGY)
(FIRST YEAR)
(PART-III: GROUP-B: ANCILLARY)
551. BIOSTATISTICS AND COMPUTER APPLICATIONS
Time: Three hours Maximum: 100 marks
PART-A
BIO-STATISTICS
SECTION – A
(5×2=10)
1. Bar Diagram.
2. Quantitative Classification.
3. Geometric mean.
4. Types of mode.
5. Quartile deviation.
6. Loren’s curve.
7. Standard deviation.
SECTION – B
(2×5=10)
8. a) Explain the various types of sampling.
(OR)
b) Discuss the collection of primary data.
9. a) Explain the different types of correlation.
(OR)
b) Give a brief account on methods of dispersion.

2
SECTION – C
5333
(2×20=40)
10. Compute mode from the following series:
Size of item Frequency
0-5 20
5-10 24
10-15 32
15-20 28
20-25 20
25-30 16
30-35 34
35-40 10
40-45 8
11. Calculate the Standard deviation from the following Data
Marks No. of Students
10 7
20 15
30 15
40 7
50 10
60 6
12. Calculate mean from the following data:
Value 1 2 3 4 5 6 7 8 9 10
Frequency 21 30 28 40 26 34 40 9 15 57
PART-B
COMPUTER APPLICATIONS
SECTION – A
(5×2=10)
1. What is CPU?
2. Write any two input devices of the computer devices.
3. What is a computer?
4. Write the expansion of NCBI.
5. Define the term Internet.
6. Write the uses of E-mail.
7. What is HTML?
8. Write the expansion of TCP/IP.
3
5333
SECTION – B
(2×5=10)
9. a) Write a short note on logical units in the computer.
(OR)
b) Write the history of bioinformatics.
10. a) Write about the various steps of creating the E-mail in any
browser.
(OR)
b) Explain in brief of E-Commerce with an example.
SECTION – C
(1×20=20)
11. a) Explain the history and merits of the computers.
(OR)
12. a) Write about the various tags with sample creation of code.
(OR)
b) Explain in detail about WWW.
*******