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BIOCHEMISTRY QUIZ NO. 01

Total questions: 30

Worksheet time: 6mins

Name
Class
Date
1.

Fructose contain _________ fuctional group.

a)

Aldehyde

b)

Ketone

c)

Carboxylic Acid

d)

Ester

2.

Cyclic monosaccharides with 6-member ring are called ___________.

a)

Ketose

b)

Furanose

c)

Pyranose

d)

Glucose

3.

In ____________ OH is above the plane of ring.

a)

Alpha Anomer

b)

Beta Anomer

c)

Epimer

d)

Alpha Beta Anomer

4.

Two monosaccharides are joined by ______________.

a)

Peptide bond

b)

Ester bond

c)

Glycoside bond

d)

Alpha linkage

5.

Sucrose is formed by linkage between

a)

Anomeric carbon of glucose and OH of fructose.

b)

Anomeric carbon of glucose and anomeric carbon of fructose

c)

Anomeric carbon of glucose and OH of glucose

d)

Anomeric carbon of glucose and anomeric carbon of galactose

6.

Cellulose is an example of ________________.

a)

Homopolysaccharide

b)

Hetropolysaccharide

c)

Monosaccharide

d)

Disaccharide

7.

Humans lack enzyme to hydrolyze

a)

Starch

b)

Glycogen

c)

Cellulose

d)

Maltose

8.

GAG chains are linked to proteins in extracellular matrix to form _______________.

a)

Glycoprotein

b)

Proteoglycan

c)

Glycocalyx

d)

Aminoglycan

9.

Blood group antigen FSH and LH are examples of ____________.

a)

Aminoglycan

b)

Proteoglycan

c)

Glycoprotein

d)

Glycolipid

10.

Enzyme responsible for producing glucose and galactose is __________________.

a)

Sucrase

b)

Maltase

c)

Lactase

d)

Trehalase

11.

Which disaccharide produces fructose in addition to glucose?

a)

Maltose

b)

Sucrose

c)

Lactose

d)

Trehalose

12.

_____________ is removed when glycosidic linkage is formed.

a)

OH

b)

H

c)

H2O

d)

C

13.

Formula for carbohydrates is

a)

Cn(H2O)n

b)

CnH2nO

c)

CH2On

d)

CnHnOn

14.

Anomeric carbon in keto sugar is _____________

a)

C-1

b)

C-2

c)

C-4

d)

C-3

15.

This is the structure of _____________.

a)

Beta Glucose

b)

Beta Fructose

c)

Alpha Fructose

d)

Alpha Glucose

16.

Glyceraldehyde is also called ______________

a)

Aldoglycerose

b)

Aldohexose

c)

Acetone

d)

Aldotriose

17.

Smallest sugars are _____________

a)

Sucrose and Lactose

b)

Ribose and Deoxyribose

c)

Glucose and Fructose

d)

Glyceraldehyde and Dihydroxyacetone

18.

Glucose is an epimer of galactose at _________

a)

C-2

b)

C-4

c)

C-3

d)

C-5

19.

D-Glucose rotates plane of polarized light to ______________

a)

Right

b)

Left

c)

Up

d)

Down

20.

D-Glu and L-Glu are ______type of isomers.

a)

Anomers

b)

Diastereomers

c)

Epimers

d)

Enantiomers

21.

Cyclic pyranose structure of monosaccharide is made by bonding of ____________.

a)

C-1 and C-4

b)

C-2 and C-4

c)

C-2 and C-5

d)

C-1 and C-5

22.

R-COH group reacts with R-OH to form ____________.

a)

Hemiketal

b)

Hemiacetal

c)

Furanose

d)

Acetal

23.

_____________ is non reducing sugar.

a)

Glucose

b)

Sucrose

c)

Maltose

d)

Lactose

24.

____________ is cyclic representation with three dimensional representation.

a)

Hemiacetal

b)

Fischer Projection

c)

Harworth Projection

d)

Hemiketal

25.

Which of the following represents an example of epimer?

a)
b)
c)
d)
26.

_______________ are considered as non-sugars

a)

Oligosaccharides

b)

Polysaccharides

c)

Monosaccharides

d)

Disaccharides

27.

sugar present in heart muscle cells is _____________

a)

Lyxose

b)

xylulose

c)

glucose

d)

ribose

28.

____________ is present in vitreous humour of eye

a)

Hyaluronic acid

b)

heparin

c)

chondrotin sulfate

d)

dermatan sulfate

29.

____________ polysaccharide is in exoskeleton of insects

a)

Chitin

b)

Pectin

c)

Inulin

d)

Heparin

30.

Which of the following is an example of enantiomer?

a)
b)
c)
d)

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