Carbohydrates Quiz

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Questions and Answers

Carbohydrates are classified based on their atomic arrangement.

True (A)

Monosaccharides exist in the open-chain form.

False (B)

True or false: Glycosidic bonds are formed between two monosaccharides?

True (A)

Disaccharides are formed by combining three monosaccharides.

<p>False (B)</p> Signup and view all the answers

True or false: Starch is the storage form of energy in animals?

<p>False (B)</p> Signup and view all the answers

True or false: Fibre is resistant to the digestive enzyme alpha-amylase?

<p>True (A)</p> Signup and view all the answers

True or false: Monosaccharides have the same atomic arrangement?

<p>False (B)</p> Signup and view all the answers

True or false: Glucose and fructose are examples of monosaccharides?

<p>True (A)</p> Signup and view all the answers

True or false: Monosaccharides can exist in both cyclic and open-chain forms?

<p>True (A)</p> Signup and view all the answers

True or false: Disaccharides are formed by combining two monosaccharides?

<p>True (A)</p> Signup and view all the answers

True or false: The highest numbered chiral carbon in a monosaccharide determines its L or D stereoisomer?

<p>True (A)</p> Signup and view all the answers

True or false: Disaccharides are formed by glycosidic bonds?

<p>True (A)</p> Signup and view all the answers

True or false: Starch is a polysaccharide?

<p>True (A)</p> Signup and view all the answers

True or false: Fibre is a type of carbohydrate?

<p>True (A)</p> Signup and view all the answers

True or false: Monosaccharides have a hexose structure with six carbons?

<p>True (A)</p> Signup and view all the answers

True or false: Chiral compounds have mirror-image isomers?

<p>True (A)</p> Signup and view all the answers

True or false: Maltose is a disaccharide composed of two glucose molecules connected by an alpha(1-4) glycosidic bond?

<p>True (A)</p> Signup and view all the answers

True or false: Lactose is a disaccharide composed of galactose and fructose connected by a beta(1-4) glycosidic bond?

<p>False (B)</p> Signup and view all the answers

True or false: Sucrose is a disaccharide composed of fructose and glucose connected by an alpha(1-2) glycosidic bond?

<p>False (B)</p> Signup and view all the answers

True or false: Raffinose is an oligosaccharide composed of galactose, fructose, and glucose?

<p>True (A)</p> Signup and view all the answers

True or false: Starch is the storage form of energy in plants?

<p>True (A)</p> Signup and view all the answers

True or false: Glycogen is the storage form of glucose in the body?

<p>True (A)</p> Signup and view all the answers

True or false: Amylose and amylopectin are types of starch?

<p>True (A)</p> Signup and view all the answers

True or false: Non-starch polysaccharides are resistant to the digestive enzyme alpha-amylase?

<p>True (A)</p> Signup and view all the answers

True or false: The liver stores around 80-100 grams of glycogen?

<p>True (A)</p> Signup and view all the answers

True or false: Galactose is a monosaccharide?

<p>True (A)</p> Signup and view all the answers

Which of the following is NOT a factor that impacts the rate of carbohydrate absorption?

<p>Lipid (fat) content of food (C)</p> Signup and view all the answers

Which enzyme inactivates salivary amylase during carbohydrate digestion?

<p>Stomach acid (C)</p> Signup and view all the answers

Which of the following is NOT a monosaccharide transporter involved in carbohydrate absorption?

<p>Monosaccharide transporter on the apical membrane (GLUT4) (B)</p> Signup and view all the answers

Which of the following is NOT a type of carbohydrate digestion?

<p>Non-glycaemic (B)</p> Signup and view all the answers

Which of the following is NOT a disaccharide?

<p>Fructose (D)</p> Signup and view all the answers

Which of the following is NOT a way in which carbohydrates are classified?

<p>Glycosidic bonds (A)</p> Signup and view all the answers

Which of the following is NOT a type of carbohydrate?

<p>Lipid (B)</p> Signup and view all the answers

Which of the following is NOT a factor that impacts the rate of carbohydrate absorption?

<p>Lipid (fat) content of food (D)</p> Signup and view all the answers

Which of the following is NOT a factor that impacts the rate of carbohydrate absorption?

<p>Lipid (fat) content of food (D)</p> Signup and view all the answers

Which of the following is NOT a factor that impacts the rate of carbohydrate absorption?

<p>Lipid (fat) content of food (A)</p> Signup and view all the answers

Which of the following is NOT a factor that impacts the rate of carbohydrate absorption?

<p>Ratio of amylose-amylopectin (B)</p> Signup and view all the answers

True or false: Fibre is resistant to the digestive enzyme alpha-amylase?

<p>True (B)</p> Signup and view all the answers

True or false: Starch is the storage form of energy in animals?

<p>False (B)</p> Signup and view all the answers

True or false: Non-starch polysaccharides are resistant to the digestive enzyme alpha-amylase?

<p>True (A)</p> Signup and view all the answers

Which of the following is NOT a way in which carbohydrates are classified?

<p>Oligosaccharides (B)</p> Signup and view all the answers

True or false: Sucrose is a disaccharide composed of fructose and glucose connected by an alpha(1-2) glycosidic bond?

<p>False (A)</p> Signup and view all the answers

True or false: Amylose and amylopectin are types of starch?

<p>True (A)</p> Signup and view all the answers

True or false: Starch is the storage form of energy in plants?

<p>True (A)</p> Signup and view all the answers

True or false: The highest numbered chiral carbon in a monosaccharide determines its L or D stereoisomer?

<p>False (A)</p> Signup and view all the answers

Carbohydrates are classified based on their atomic arrangement.

<p>False (A)</p> Signup and view all the answers

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