WACE ATAR Food Science and Technology Practice Questions - WACE Year 12 ATAR Food Science and Technology Examination Exam - WACE ATAR Food Science and Technology Practice Questions - WACE Year 12 ATAR Food Science and Technology Examination Exam

Question 1

Which sequence correctly describes the physical and chemical changes that occur during starch gelatinisation when heating an aqueous starch mixture?

Starch granules absorb liquid, swell at 60-70°C, rupture, release amylose, and form a viscous gel network upon cooling Starch molecules break down into dextrins due to dry thermal cleavage of glycosidic bonds Starch proteins coagulate and form insoluble peptide cross-links that trap water molecules Sugar molecules react with amino acids under high thermal heat to produce melanoidin pigments

Correct Answer:

Starch granules absorb liquid, swell at 60-70°C, rupture, release amylose, and form a viscous gel network upon cooling

Question 2

Protein denaturation is best defined as a structural change where:

Primary peptide bonds are completely hydrolysed into free amino acids Proteins react with lipids to form a permanent oil-in-water emulsion Secondary and tertiary protein structures uncoil and unfold due to heat, acid, or agitation without breaking primary peptide bonds Starch polymers retrograde into crystalline structures during cold storage

Correct Answer:

Secondary and tertiary protein structures uncoil and unfold due to heat, acid, or agitation without breaking primary peptide bonds

Question 3

Which of the following culinary processes demonstrates protein coagulation?

Egg white changing from a transparent liquid to an opaque, firm solid gel during boiling Sucrose melting at 160°C to form a golden brown syrup Flour browning under dry heat in an oven during toast production Vegetable oil mixing with vinegar in the presence of mustard to form a temporary salad dressing

Correct Answer:

Egg white changing from a transparent liquid to an opaque, firm solid gel during boiling

Question 4

Caramelisation is a chemical browning reaction that requires which of the following conditions?

Enzymatic oxidation of polyphenols by polyphenol oxidase in the presence of oxygen Low temperature refrigeration of dairy products containing lactose Moist steam boiling of starch granules at 100°C High dry heat applied directly to carbohydrates/sugars in the absence of amino acids or proteins

Correct Answer:

High dry heat applied directly to carbohydrates/sugars in the absence of amino acids or proteins

Question 5

When bread slice surface flours turn golden brown and slightly sweet under the dry heat of a toaster, what functional property is occurring?

Retrogradation Syneresis Saponification Dextrinisation

Correct Answer:

Dextrinisation

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About this Exam

Prepare with the WACE ATAR Food Science and Technology Practice Questions - WACE Year 12 ATAR Food Science and Technology Examination Exam practice quiz. This question bank includes 100 questions covering food, chemical, functional, standards, and haccp. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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WACE ATAR Food Science and Technology Practice Questions - WACE Year 12 ATAR Food Science and Technology Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on food, chemical, functional, standards, and haccp. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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WACE ATAR Food Science and Technology Practice Questions - WACE Year 12 ATAR Food Science and Technology Examination Exam

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