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Worksheets

Biochemistry

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Which one is the heaviest particulate component of the cell?

a)

Nucleus

b)

Mitochondria

c)

Cytoplasm

d)

Golgi apparatus

2.

The exchange of material takes place

a)

Only by diffusion

b)

Only by active transport

c)

Only by pinocytosis

d)

All of these

3.

The fatty acids can be transported into and out of mitochondria through

a)

Active transport

b)

Facilitated transfer

c)

Non-facilitated transfer

d)

None of these

4.

A lipid bilayer is permeable to__________

a)

Urea

b)

Fructose

c)

Glucose

d)

Potassium

5.

The aldose sugar is

a)

Glycerose

b)

Ribulose

c)

Erythrulose

d)

Dihydoxyacetone

6.

Polysaccharides are

a)

Polymers

b)

Acids

c)

Proteins

d)

Oils

7.

Sucrose consists of

a)

Glucose + glucose

b)

Glucose + fructose

c)

Glucose + galactose

d)

Glucose + mannose

8.

A positive Benedict’s test is not given by

a)

Sucrose

b)

Lactose

c)

Maltose

d)

Glucose

9.

Osazones are not formed with the

a)

Glucose

b)

Fructose

c)

Sucrose

d)

Lactose

10.

Conversion of glucose to glucose-6- phosphate in human liver is by

a)

Hexokinase only

b)

Glucokinase only

c)

Hexokinase and glucokinase

d)

Glucose-6-phosphate dehydrogenase

11.

The following is an enzyme required for glycolysis:

a)

Pyruvate kinase

b)

Pyruvate carboxylase

c)

Glucose-6-phosphatose

d)

Glycerokinase

12.

Glycogen is converted to glucose-1- phosphate by

a)

UDPG transferase

b)

Branching enzyme

c)

Phosphorylase

d)

Phosphatase

13.

The number of molecules of ATP produced by the total oxidation of acetyl CoA in TCA cycle is

a)

6

b)

8

c)

10

d)

12

14.

Which of the following is not an enzyme involved in glycolysis?

a)

Euolase

b)

Aldolose

c)

Hexokinase

d)

Glucose oxidase

15.

Tricarboxylic acid cycle to be continuous requires the regeneration of

a)

Pyruvic acid

b)

oxaloacetic acid

c)

α-oxoglutaric acid

d)

Malic acid

16.

The carbohydrate reserved in human body is

a)

Starch

b)

Glucose

c)

Glycogen

d)

Inulin

17.

The general formula of monosaccharides is

a)

CnH2nOn

b)

C2nH2On

c)

CnH2O2n

d)

CnH2nO2n

18.

Which of the following statements regarding T.C.A cycle is true?

a)

It is an anaerobic process

b)

It occurs in cytosol

c)

It contains no intermediates for Gluconeogenesis

d)

It is amphibolic in nature

19.

The distinguishing test between monosaccharides and dissaccharides is

a)

Bial’s test

b)

Selwanoff’s test

c)

Barfoed’s test

d)

Hydrolysis test

20.

Specific test for ketohexoses:

a)

Seliwanoff’s test

b)

Molisch test

c)

Osazone test

d)

Osazone test