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Hassan
1.Yeast and mould count determination requires-
A. nutrient agar
B. acidified potato glucose agar
C. MacConkey agar
D. nutrient agar
2.The time temperature combination for HTST paterurization of 71.1°C for 15 sec is selected on the basis of
A. Coxiella Burnetii
B. E. coli
C. B. subtilis
D. Coxiella Burnetii
3. Aerobic Colony Count (ACC), is also known as
A. Total viable count (TVC)
B. Aerobic plate count (APC)
C. Standard plate count (SPC)
D. Total viable count (TVC)
4.Which of the following is true about ISO 2002 method for Salmonella detection?
A. Selenite cystine (SC) broth is replaced by Muller Kauffmann tetrathionate novobiocin broth (MKTTn)
B. Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth
C. XLD is the first isolation medium rather than BGA
D. Selenite cystine (SC) broth is replaced by Muller Kauffmann tetrathionate novobiocin broth (MKTTn)
5. Suspected colonies of Staphylococcus aureus when grown on Baird-Parker medium shall show
A. coagulase activity
B. protease activity
C. catalase activity
D. coagulase activity
6. Enumeration of microorganism refers to
A. either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar, or non-selective plate, depending on the test
B. either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar
C. non-selective plating, depending on the test
D. either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar, or non-selective plate, depending on the test
7.The different ACC's between food categories reflect the
A. expected level of contamination of the raw material
B. potential for microbial growth during storage
C. potential shelf life
D. expected level of contamination of the raw material
8. Examination of the presence / absence of organisms refers to
A. incubation of a food suspension in an enrichment medium followed by inoculation on to a suitable selective medium.
B. incubation of a food suspension in an enrichment medium followed by inoculation on to a non-selective medium.
C. incubation of a food suspension in an enrichment medium
D. incubation of a food suspension in an enrichment medium followed by inoculation on to a suitable selective medium.
9. Plate count of bacteria in foods generally use the plating medium consisting of
A. peptone, yeast extract, glucose, sodium chloride, agar and distilled water
B. yeast extract, glucose, sodium chloride, agar and distilled water
C. peptone, glucose, sodium chloride, agar and distilled water
D. peptone, yeast extract, glucose, sodium chloride, agar and distilled water
10. What are the intrinsic factors for the microbial growth?
A. pH
B. Moisture
C. Oxidation-Reduction Potential
D. pH
11. What are the intrinsic factors for the microbial growth?
A. pH
B. Moisture
C. Oxidation-Reduction Potential
D. pH
12. Carbohydrate content in potato is:
A. 12%
B. 22% ƴ
C. 32%
D. 12%
13.Which refrigerant is commonly used is used in cold storage in our country
A. Ethylene
B. Carbide
C. Ammonia ƴ
D. Ethylene
14.Mango variety having strong flavour is
A. Dashart
B. Sindhu
C. Langra ƴ
D. Dashart
15. Pineapple variety suitable for canning is :
A. Queen
B. Kew ƴ
C. Mauritius
D. Queen
16. Richest source of Riboflavin is :
A. Papaya
B. Mango
C. Bael ƴ
D. Papaya
17. Richest source of iron is:
A. Mango
B. Bael
C. Pomegranate
D. Mango
18. Which one of the following is a Climacteric type of fruit ?
A. Banana ƴ
B. Citrus
C. Litchi
D. Banana ƴ
19.Which of the following is non-Climacteric type of fruit ?
A. Pineapple
B. Litchi
C. Grape
D. Pineapple
20."Most suitable packaging material" for cut flowers is :
A. Wooden boxes
B. Plastic boxes
C. Cardboard boxes ƴ
D. Wooden boxes
21.Emission of Ethylene during transportation of cut flowers cause a disorder which called as:
A. Bud opening
B. Sleepiness ƴ
C. Bent neck
D. Bud opening
22. First commodity for which grading and marketing rules were framed is
A. Tomato
B. Mango
C. Grape ƴ
D. Tomato
23. Which is the precursor of Ethylene ?
A. Tryptophane
B. Methionine ƴ
C. ABA
D. Tryptophane
24. Cauliflower curds can be stored for a month at -
A. O°C with 85-90% RH ƴ
B. 15°C with 60-80% RH
C. 15 °C with 60-65% RH
D. O°C with 85-90% RH ƴ
25.For curing, sweet potato are kept for 10 days at:
A. 25 °C and 85% RH
B. 40°C and 70% RH
C. 80 "C and 30% RH ƴ
D. 25 °C and 85% RH
26. "Elephant's Foot Yam" is rich source of Vitamin :
A. A and B ƴ
B. B and C
C. C and D
D. A and B ƴ
27. Tomato fruits for canning are harvested at:
A. Mature green stage
B. Red ripe stage ƴ
C. Immature green stage
D. Mature green stage
28. Which chemical is used for controlling sprouting of onions in storage ?
A. Maleic Hydrazide (MH) ƴ
B. Ethylene (C2H4)
C. GA
D. Maleic Hydrazide (MH) ƴ
29.Melons for distant marketing arc picked at:
A. Half-slip stage
B. Full-slip stage
C. Green mature stage ƴ
D. Half-slip stage
30. For distant marketing, tomato fruits are harvested at:
A. Immature green stage
B. Mature green stage ƴ
C. Turning stage
D. Immature green stage
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