Carbs Quiz

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As my friend. the little Mexican bread up there, rightly said, this is is a fun quiz based on carbohydrates. This is just for you to review the topic, so worry not, it’s not going towards finals (lol!). Give it a go!

 

1)      Ketose sugars have a keto group at carbon:

A. 3

B. 4

C. 1

D. 6

E. 2

 

2)      Choose the correct answer from the options below:

Reactants

Products

Broken down by

A.

Glucose + Glucose

Lactose

Maltase

B.

Glucose + Fructose

Sucrose

Sucrase

C.

Glucose + Galactose

Sucrose

Lactase

D.

Glucose + Fructose

Maltose

Maltase

E.

Glucose + Glucose

Lactose

Sucrase

 

3)      Choose the TRUE answer:

A. When the concentration of glucose is high in the blood, the pancreas releases glycogen, which converts glucose to insulin.

B. When the concentration of glucose is low in the blood, the pancreas releases glucagon, which converts glycogen back to glucose.

C. When the concentration of glycogen is high in the blood, the pancreas releases insulin, which converts glucagon back to glucose.

D. When the concentration of glucose is low in the blood, the pancreas releases insulin, which converts glucose back to glycogen.

E. When the concentration of insulin is high in the blood, the pancreas releases adrenaline, which converts glucagon back to glycogen.

 

4)      Oligosaccharides are:

A. Simple sugars with multiple OH groups

B. Few monosaccharides that are covalently linked

C. 2 monosaccharides that are covalently linked

D. Polymers consisting of chains of monosaccharide units

E. Sugars with more than 2 amino acids in its structure

 

5)      Aldose sugars have an aldehyde group at carbon:

A. 1

B. 2

C. 4

D. 7

E. 3

 

6)      A chiral carbon is one that:

A. Has an OH attached to it

B. Has  phenol group attached to it

C. Has 4 different groups attached to it

D. Has an OH attached to the left of it

E. Has a double bonded O on the carbon before it

 

7)      Which of the following is a non-reducing sugar?

A. Maltose

B. Lactose

C. Glucose

D. Sucrose

E. Fructose

 

8)      The formation of a glycosidic bond is by:

A. Hydrolysis

B. Condenstation

C. Polymerisation

D. Oxidation

E. Reduction

 

9)      Lactose has a/an:

A. α-1,2 bond

B. β-1,6 bond

C. β-1,4 bond

D. α-1,4 bond

E. α-1,6 bond

 

10)  Which function BEST describes cellulose?

A. Energy source

B. Storage

C. Precursor molecule

D. Structural

E. Hydrolysis of glycosidic bonds

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