BIO202 Quiz 1 Solution

BIO202 QUIZ 1 SOLVED

Q1. ___ is semi-quantitative test to detect presence of glucose in a solution.

1. Molisch’s test
2. Benedict’s test
3. Ninhydrin test
4. None of given

Correct answer: Molisch’s test

Q2. The terminal methyl and ___ carbon of glucose, galactose or mannose-forms the corresponding aldaric acid.

1. Carboxyl
2. Ketone
3. Aldehyde
4. Carbonyl

Correct answer: Carbonyl

Q3. The condition in which the body fails to metabolize galactose is known as:

1. galactosemia
2. glucosuria
3. diabetes mellitus
4. hypoglycemia

Correct answer: galactosemia

Q4. Sugars are classified on the basis of number of carbon atoms present. An example of a tetrose is:

1. erythrose
2. glyceraldehyde
3. ribose
4. glucose

Correct answer: erythrose

Q5. Simplest carbohydrate is ___.

1. Sucrose
2. Glyceraldehyde
3. Glucose
4. Glycerine

Correct answer: Glucose

Q6. Monosaccharides can be subdivided further depending upon ___.

1. Number of carbon atoms
2. aldehyde groups
3. Number of carbon atoms and aldehyde or ketone groups
4. None of given

Correct answer: Number of carbon atoms and aldehyde or ketone groups

Q7. Isomeric forms of monosaccharides that differ only in their configuration about the hemiacetal or hemiketal carbon atoms are called ___.

1. anomers
2. stereoisomers
3. epimers
4. enantiomers

Correct answer: anomers

Q8. The oxidation of carbonyl carbon in monosaccharides yield products knows as:

1. aldonic acids
2. uronic acids
3. aldoses
4. furfurals

Correct answer: aldonic acids

Q9. The substitution of a hydrogen for the hydroxyl group at C-6 of L-mannose produces ___.

1. D-mannose