
Conservazione degli Alimenti
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Francesca Pastore
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48 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gli alimenti, conservati a temperatura ambiente senza particolari accorgimenti, possono andare incontro, col passare del tempo, ad alterazione delle loro caratteristiche organolettiche (sapore, odore, ecc.), diventano meno appetibili, perdono parte del loro valore nutritivo e, in alcuni casi, possono diventare dannosi per la nostra salute. Quali sono le due cause fondamentali di queste alterazioni?
Modificazioni enzimatiche e modificazioni di origine microbica
Solo modificazioni enzimatiche
Solo modificazioni di origine microbica
Nessuna delle precedenti
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali alimenti possono mantenersi inalterati a lungo, anche senza l'uso di alcun metodo di conservazione?
Cereali e legumi secchi
Frutta e verdura
Carne e latte
Creme fresche
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come vengono definiti gli alimenti che non subiscono alterazioni se conservati a temperatura ambiente?
Stabili
Deperibili
Semi-deperibili
Non conservabili
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Quali sono i metodi fisici di conservazione?
Basse temperature
Alte temperature
Radiazioni ionizzanti
Disidratazione
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la temperatura di refrigerazione?
+4°C
0°C
+10°C
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Cosa succede durante il congelamento?
L'acqua si congela
L'alimento viene portato a +4°C
L'alimento viene portato a -18°C
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Quali metodi chimici sono utilizzati per la conservazione?
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