Download GTU BE/B.Tech 2019 Summer 6th Sem New 2160408 Agriculture And Food Biotechnology Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2160408 Agriculture And Food Biotechnology Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2160408 Date:18/05/2019
Subject Name:Agriculture and Food Biotechnology
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
1. Figures to the right indicate full marks.

MARKS

Q.1 (a) Write a note on Bacillus thuringenesis as a biopesticide. 3
(b)
Mention target genes that can be used to produce tomatoes with better
shelf life and discus the role of ethylene in the tomato ripening.
4
(c)
Define the term biopharming. Discuss the production of high value pro-
teins and peptides.
7

Q.2 (a) What are edible vaccines? Mention the types of edible vaccines? 3
(b) Distinguish between organic farming and traditional farming 4
(c) Discuss in detail about Intrinsic parameter affecting food quality. 7


OR

(c) Discuss in detail about extrinsic parameter affecting food quality. 7
Q.3 (a)
What are the different types of biofertilizers that are available? Mention
at least three types with an example each.
3
(b)
Discuss all targets for increasing the quantity of starch through genetic
manipulation
4
(c)
Discuss the Principle underlying destruction of microorganism by radia-
tion.
7
OR
Q.3 (a) What are IM food? 3
(b) What are probiotics? 4
(c) Highlight on the different unit operations involved in food processing. 7
Q.4 (a)
Give radiation dose range of Radappertization, Radicidation, and Raduri-
zation
3
(b) Discuss any type of food additive of your choice with three examples. 4
(c)
Describe in detail use of enzymes application in food industry with suit-
able example.
7
OR
Q.4 (a) What is botulism? 3
(b) Give any four examples of biological toxins with source. 4
(c) Explain in detail about mycotoxins. 7
Q.5 (a) What are deficiency diseases give examples. 3
(b) Give amount of energy needs of human beings. 4
(c) Discuss in detail health and disease in relation to food. 7


OR
Q.5 (a) What is HACCP? 3
(b) Write aims of food science and technology. 4
(c) Give detailed account on importance of yeast in food. 7
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