Download SGBAU BSc 2019 Summer 3rd Sem Biotechnology Essential Mathematical Biostatistics Bioinformatics n Biophysical Methods Question Paper

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B.Sc. Part-II (Semester-III) Examination

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Time : Three Hours] [Maximum Marks : 80

Note :— (1) ALL questions are compulsory.
(2) Draw well labelled diagram wherever necessary.

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1. (A) Fill in the blanks : 2
   1. A point at which two or more things meet is called as ______
   2. Most frequently occurring number in a set is ______
   3. Alpha particles are ______ charge.
   4. BLAST is used for searching ______.

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1. (B) Choose the correct alternative : 2
   1. Value that function approaches as input (or index) is :
      (a) Derivative (b) Limit
      (c) Binomial (d) Arithmetic
   2. An element common to all bases is :
      (a) H⁺ (b) OH^-
      

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      (c) CN (d) COOH
   3. According to second law of thermodynamics, entropy of a universe is :
      (a) Increasing (b) Decreasing
      (c) Constant (d) All of these
   4. Following tool is used widely for homology :
      

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      (a) DNASTAR (b) BLASTN
      (c) BLASTP (d) Both (b) and (c)

1. (C) Answer in ONE sentence : 4
   1. Binomial equation
   2. Random sampling

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   3. Blood buffers
   4. BLASTN.

2. Describe the following :

1. Limit of function

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2. Expression of limit
3. Polynomial function. 4

OR

1. Describe Venn diagram
2. Simple algebraic limit

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3. Binomial theorem.

3. Discuss merits and demerits of Selective and Random Sampling with suitable example. 12

OR

Define probability. Discuss significance of randomness and axioms of probability. 12

4. Describe the following :

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1. Mean of ungrouped data
2. Standard error
3. ANOVA.

OR

1. Mode of ungrouped data

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2. Standard deviation
3. Test of significance.

5. Explain the following :

1. pH
2. Handerson-Hasselbalch equation

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3. Nuclear radiation.

OR

1. Blood buffers
2. Gamma radiation
3. Application of radioactivity in biology.

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6. Explain laws of thermodynamics with suitable examples. 12

OR

Explain structure and bioenergetics of mitochondria. 12

7. Describe the following :

1. Goal of bioinformatics

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2. Primary databases
3. BLAST.

OR

1. Applications of bioinformatics
2. Secondary databases

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3. SRS.

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