Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Oxidative Phosphorylation

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following is NOT component in electron transport chain?

a)

Cytochrome

b)

Flavoprotein

c)

Cytochrome c

d)

ATP synthase

2.

How many ATP molecules are produced during complete breakdown of glucose in a liver cell?

a)

34

b)

36

c)

38

d)

39

3.

Which of the following statements are TRUE about the process that occurs in cristae?

I ATP is synthesized by ATP synthase on the inner membrane of mitochondrion

II FADH2 transfers its hydrogen atoms to the succinate dehydrogenase

III Formation of water molecule

IV Production of ATP in the electron transport chain is called oxidative phosphorylation

a)

I, II and III

b)

I, II and IV

c)

I, III and IV

d)

I, II, III and IV

4.

What is the final product of the Electron Transport Chain?

a)

ATP

b)

NADH

c)

FADH2

d)

ADP

5.

Which of the following gets pumped into the intermembrane space?

a)

FADH2

b)

O2

c)

H+

d)

NAD+

6.

As electrons travel down the electron transport chain, they release

a)

ADP

b)

Energy

c)

ATP

d)

Hydrogen ion

7.

Hydrogen ions are pumped from the __________ to the ___________.

a)

matrix; intermembrane space

b)

intermembrane space; matrix

c)

matrix; cytoplasm

d)

intermembrane; cytoplasm

8.

The final electron acceptor in electron transport chain is

a)

NAD+

b)

FAD

c)

Oxygen

d)

Water

9.

Cyanide is a metabolic poison that stops the electron transport chain by directly blocking the actions of

a)

NAD+

b)

NADH dehyrogenase

c)

ATP sythase

d)

Cytochrome oxidase

10.

How many ATP produced for each NADH that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

11.

How many ATP produced for each FADH2 that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

12.

H+ move down their concentration gradient by ___________ back into the matrix.

a)

osmosis

b)

facilitated diffussion

c)

simple diffusion

d)

active transport

13.

The effect of increased levels of hydrogen ions in the intermembrane space of the mitochondria is

a)

Increase ATP production

b)

Decreased levels of oxidative phosphorylation

c)

Increased levels of water in intermembrane space

d)

Decreased levels of chemiosmosis

14.

Where does oxidative phosphorylation take place?

a)

Cytosol

b)

Matrix of mitochondria

c)

Innermembrane of mitochondria

d)

Intermembrane space of mitochondria

15.

Which of the following is not a feature of oxidative phosphorylation?A.B.C.D.

a)

Direct transfer of phosphate from a substrate molecule to ADP

b)

An electrochemical gradient across the inner mitochondrial membrane

c)

A membrane bound ATP synthase

d)

A proton motive force

16.

During electron transport, protons are pumped out of the mitochondrion at each of the major sites except for

a)

NADH dehydrogenase

b)

Succinate dehydrogenase

c)

Cytochrome c reductase

d)

Cytochrome c oxidase

17.

What doe FADH2 and NADH bring to the electron transport chain?

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

18.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

19.

ATP synthase synthesis ATP and release ATP into

a)

innermembrane of mitochonndria

b)

matrix of mitochondria

c)

intermembrane space of mitochondria

d)

outermembrane of mitochondria

20.

Which of the following is an electron donor for succinate dehydrogenase in electron transport chain?

a)

NAD+

b)

FADH2

c)

NADH

d)

FAD