Q1
mcq
1 mark
__________ is an example for optical imaging technique.
- A. CLSM
- B. LCSM
- C. Both (a) and (b)
- D. TEM
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Q2
mcq
1 mark
Lens used in TEM is __________.
- A. Glass lenses
- B. Objective lens
- C. Condenser lenses
- D. Electromagnetic lens
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Q3
mcq
1 mark
__________ is used to prevent infection by killing or inhibiting pathogen growth on animal tissue.
- A. Disinfectant
- B. Bacteriostatic agent
- C. Antiseptic
- D. Sanitizer
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Q4
mcq
1 mark
Which one of the following is correct ?
- A. Apoenzyme + Holoenzyme = Coenzyme
- B. Apoenzyme + Cofactor = Holoenzyme
- C. Coenzyme + Cofactor = Holoenzyme
- D. Holoenzyme + Coenzyme = Apoenzyme
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Q5
mcq
1 mark
The minimum value of $a_w$ for the growth of the micro organisms in foods should be around __________.
- A. 0.78
- B. 0.99
- C. 0.50
- D. 0.86
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Q6
mcq
1 mark
_________ metabolites are produced in small quantities during industrial production.
- A. Tertiary
- B. Secondary
- C. Neutral
- D. Primary
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Q7
mcq
1 mark
A gram-positive bacilli possessing metachromatic granules, showing Chinese letters arrangement are characteristic of :
- A. Bacillus anthracis
- B. Corynebacterium diphtheriae
- C. Clostridium perfringens
- D. Mycobacterium tuberculosis
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Q8
mcq
1 mark
Flask shaped ulcers in human intestine are related to __________.
- A. Leishmania
- B. Giardiasis
- C. Chaga’s disease
- D. Amoebiasis
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Q9
mcq
1 mark
Diaper rash is caused by __________.
- A. Candidiasis
- B. Dermatophytes
- C. Cryptococcosis
- D. Histoplasmosis
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Q10
mcq
1 mark
Cytomegalo viruses are also called as __________.
- A. Endocrine gland virus
- B. Salivary gland virus
- C. HIV
- D. Thymus gland virus
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Q11
mcq
1 mark
In type II Hypersensitivity reaction, __________ is involved.
- A. IgM antibody
- B. IgG antibody
- C. IgE antibody
- D. IgG and IgM antibodies
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Q12
mcq
1 mark
The principal start codon corresponds to which amino acid ?
- A. Methionine
- B. Valine
- C. Isoleucine
- D. Arginine
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Q13
mcq
1 mark
Match :
(1)Staphylococcus aureus
(2)Streptococcus pyogenes
(3)Neisseria meningitidis
(4)Vibrio cholerae
- A. (1) - (ii), (2) - (iii), (3) - (iv), (4) - (i)
- B. (1) - (i), (2) - (ii), (3) - (iii), (4) - (iv)
- C. (1) - (iii), (2) - (iv), (3) - (i), (4) - (ii)
- D. (1) - (iv), (2) - (i), (3) - (ii), (4) - (iii)
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Q13
mcq
Match :
(1) Staphylococcus aureus (i) arranged in chains
(2) Streptococcus pyogenes (ii) diplococci
(3) Neisseria meningitidis (iii) comma shaped
(4) Vibrio cholerae (iv) bunch of grapes
- A. (1) - (ii), (2) - (iii), (3) - (iv), (4) - (i)
- B. (1) - (i), (2) - (ii), (3) - (iii), (4) - (iv)
- C. (1) - (iii), (2) - (iv), (3) - (i), (4) - (ii)
- D. (1) - (iv), (2) - (i), (3) - (ii), (4) - (iii)
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Q14
mcq
Statement (A): Facultative anaerobes can use fermentation under anaerobic condition and carry out aerobic respiration when oxygen is present.
Statement (B): Fermentation reoxidizes NADH to $NAD^+$ by converting pyruvic acid into various organic acids.
- A. Statement (A) is false, (B) is true.
- B. Both Statement (A) and (B) are true.
- C. Both Statement (A) and (B) are false.
- D. Statement (A) is true, (B) is false.
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Q15
mcq
Which among the following is appropriate for secondary screening method ?
- A. Enrichment culture technique
- B. Crowded plate technique
- C. Giant colony technique
- D. Auxanography
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Q17
short answer
Define the Minimal Bactericidal Concentration (MBC).
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Q22
short answer
Write any two bacterial food borne disease.
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Q25
long answer
Write a brief account on the application of fluorescent microscopy.
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Q27
short answer
Write the differences between Catabolism and Anabolism.
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Q28
short answer
List out the sources of micro-organism in food.
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Q29
short answer
What is semi-synthetic penicillin ? Give an example.
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Q32
short answer
Explain Cosmids. Write the advantages of using it.
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Q33
long answer
Draw and label the Promastigote and Amastigote of Leishmania donovani.
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Q34
long answer
Explain in detail about monoclonal antibodies.
OR
Explain the steps involved in citric acid production.
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Q34
long answer
5 marks
(a) Explain in detail about monoclonal antibodies.
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Q34
long answer
5 marks
(b) Explain the steps involved in citric acid production.
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Q35
long answer
Name and explain the toxins and enzymes produced by Staphylococcus aureus.
OR
Explain the structure of Rabies virus with diagram.
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Q35
long answer
5 marks
(a) Name and explain the toxins and enzymes produced by Staphylococcus aureus.
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Q35
long answer
5 marks
(b) Explain the structure of Rabies virus with diagram.
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Q36
long answer
Explain about EMP Pathway.
OR
Elaborate on clinical features of histoplasmosis.
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Q36
long answer
5 marks
(b) Elaborate on clinical features of histoplasmosis.
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Q37
long answer
5 marks
(a) Tabulate the difference between bacillary dysentery and amoebic dysentery.
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Q37
long answer
5 marks
(b) What are the materials needed to amplify a segment of DNA using PCR ?
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Q38
long answer
5 marks
(a) Explain phenol coefficient test.
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Q38
long answer
5 marks
(b) Describe classification of food.
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