Total No. of Questions [Total No. of Pages 01
M.Sc. DEGREE EXAMINATION, MAY 2018
Second Year
FOOD AND NUTRITIONAL SCIENCE
Food Microbiology and Toxicology
Time 3 Hours Maximum Marks 70
Answer all questions choosing one from each unit
All questions carry equal marks
Unit I
Q1) Write about the important microorganisms in food presentation. How do you
identity yeast and write its characteristics.
OR
Write the causes for food spoilage. Explain control methods for food spoilage.
Unit II
Q2) Explain the classification of microtoxins with examples. Write methods for their
detection.
OR
Explain the process of micotox in contamination of foods.
Unit III
Q3) Explain the classification of food toxicants with examples. Write about the
diseases due to food toxicants.
OR
Write about the factors affecting the toxicity of foods.
Unit IV
Q4) What is neurotoxicity and hepatic toxicity? Write their effects on human health
OR
Write about mushroom poisoming and types of mushroom poisoming. What are
its effects on health.
Unit V
Q5) Discuss the food toxins formed due to fats by oxidation and other reactions
occuring with contarninants.
OR
Explain the toxins formed due to anino acids by the reactions with alkali and other
contarninants