16 Questions
What is the primary function of carbohydrates in living organisms?
Structural components and energy source
What is the typical hydrogen–oxygen atom ratio in carbohydrates?
2:1
How are carbohydrates commonly referred to when they exist in small quantities?
Saccharides
What is the suffix commonly used in describing and naming carbohydrates?
-ose
Which element is not found in carbohydrates?
Nitrogen (N)
Which type of carbohydrate yields a certain number of monosaccharide molecules (2-9) on hydrolysis?
Oligosaccharides
In what forms can carbohydrates be used in foods?
Sweeteners, emulsion stabilizers, gelation agents, water retainers
What type of carbohydrates are collectively known as sugars, crystalline solids, soluble in water, and sweet to taste?
Monosaccharides
Which carbohydrate classification contains monosaccharides and oligosaccharides?
Sugars
What is the general formula for disaccharides?
$C_{12}H_{22}O_{11}$
Which carbohydrate type is insoluble in water and tasteless?
Polysaccharides
What are carbohydrates linked to that play an important role in cell interactions?
Proteins and lipids
Which carbohydrate acts as an energy reserve and storage form in the body?
Polysaccharides
What is the molecular formula for trisaccharide raffinose?
$C_{18}H_{32}O_{16}$
What type of carbohydrates are all monosaccharides and disaccharides other than sucrose?
$Reducing sugars$
What are short-chain carbohydrates found in foods also known as?
Option a represents the short-chain carbohydrates found in foods.
Study Notes
This quiz covers the theory of food chemistry and analysis, focusing on the introduction to carbohydrate chemistry, types of carbohydrates, their functions, and classification. It provides an understanding of carbohydrates as structural components in living organisms and as an energy source through oxidation for both plants and animals.
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