List of top Dairy Technology Questions on Food Safety

Which of the following form of intelligent packaging is an advanced form of data carrier used for automatic product identification and traceability?

Read the below-given statements pertaining to modified atmosphere packaging.
(A). The solubility of \(CO_2\) in aqueous foods decreases with moisture increase and temperature decrease.
(B). Displacement of oxygen by \(N_2\) acts to block out the oxidative chemical and physiological reactions, preserving the food quality.
(C). Combined high \(O_2\) (80-90%) and \(CO_2\) (10-20%) have been suggested to provide adequate suppression of microbial growth.
(D). Concentrations of \(CO_2\) in excess of 5% (v/v) inhibit the growth of most food spoilage bacteria especially psychrotrophic species such as Pseudomonas spp.
Choose the correct answer from the options given below:

Given below are the plastic packaging materials used in the food industry.
(A). Polyethylene naphthalate
(B). Ethylene Vinyl Alcohol
(C). Nylon MXD6
(D). Ethylene Vinyl Acetate
Choose the correct plastic material that is/are used as oxygen barrier materials from the options given below:

Pasteurized milk at filling is generally saturated with about _____ ppm of oxygen, but if no additional oxygen can gain access, its content falls and the rate of adverse reactions slows or stops.

Which of the following plastic packaging materials of about 10 microns is commonly used for individually wrapping 'citrus fruits' by blowing hot air for a tight contact seal, which reduces blemishes, delays physiological senescence, and restricts the spreading of microbial spoilage infected by contact surface?

Which of the following combined treatments of aseptic packaging systems is most suitable for sterilizing packaging materials and other food contact materials?

Which of the following gases used in modified atmosphere packaging is an inert filler gas being more soluble and denser than nitrogen and is able to remove \(O_2\) from the reactive sites more efficiently?

Which of the following methods of sealing is a non-contact process that applies an electromagnetic field to heat seal a container with a screw cap which has a heat sealable foil inner seal?

The two stage anaerobic process of dairy effluent treatment allows _________

The suggested standard for yeast and moulds count of satisfactory air quality in cheese processing rooms should be less than -- ---/m3

Given the "z-value" of a microorganism as 4°C. What will be the reaction quotient (Q\(_{10}\)) ?

The decimal reduction time (D value) depends on which of the following ?

The process time required at 115°C for 1 log cycle reduction of a particular microorganism having D\(_{121}\) = 3 min and z = 15°C is :

Which of the following food contact materials is used as an engineering polymer?

Which of the following plastic materials is having relatively very high hot tackability?

What is the ideal transmittance of incident light at 500 nm for packaging materials used for liquid milk?

Which of the following packaging forms is referred to as "3D packaging and food service article that is manufactured from an aqueous slurry of cellulosic fibres and formed into discrete products on screened moulds"?

Which of the following packaging material with a thickness of about 0.2 millimeter is best suited for blister packaging?

Match List-I with List-II:
\begin{tabular{ll} List-I (Polymeric material for Packaging) & List-II (Relative ratio of permeability of CO\(_2\) to O\(_2\))
(A) Low-density Polyethylene & (I) 6.4
(B) Silicon rubber & (II) 2.9
(C) Cast Polypropylene & (III) 4.6
(D) High-density Polyethylene & (IV) 3.3

Choose the correct answer from the options given below:

Which of the following is the system that relies on process controls to minimize food safety risks in the dairy processing industry?

Which of the following is a correct abbreviation for OPRP?

Which of the following is a correct abbreviation for SCADA?

Which of the following is not used as sterilants for membranes ?