wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Cellular Respiration

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.

Choose the components of ATP.

i) Adenine

ii) Ribose

iii) Guanine

iv) Phosphate

a)

i, ii and iii

b)

i, ii and iv

c)

ii, iii and iv

d)

ii and iv only

2.

ATP synthase is found on the _______________________ of mitochondria.

a)

matrix

b)

inner membrane

c)

outer membrane

d)

intermembrane space

3.

The electron transport chain is coupled directly with the

a)

synthesis of ATP.

b)

synthesis of NADH.

c)

production of organic compound.

d)

release of carbon dioxide.

4.

Name the process involved in the synthesis of ATP in the diagram.

(a)  

5.

At which stages are hydrogen atoms transferred to NAD+?

a)

1, 4 and 6

b)

2, 3 and 7

c)

3, 4 and 8

d)

5, 7 dan 8

6.

Which stages are involved in decarboxylation?

a)

1 only

b)

3 and 4

c)

5 only

d)

6, 7 and 8

7.

The process is called (a)   if oxygen is used.

8.

(a)   is used as energy currency molecule during cell metabolism.

9.

Processes that result in the production of ATP are ____________________________ and ___________________________

(a)  

10.

(a)   is breakdown of one glucose molecule into two molecules of pyruvate.

11.

A (a)   reaction is a chemical reaction involving the transfer of one or more electron from a reactant to another.

12.

An electron transport chain is a series of (a)   carriers that transport electron.

13.

Electron is transferred to the final electron acceptor that is (a)   .

14.

Chemiosmosis uses energy by the (a)   ion gradients across the mitochondrial membrane

15.

The net products of glycolysis are 2 pyruvate, 2 ATP, 2 NADH amd 2 FADH2.

a)

True

b)

False

16.

Each glucose molecule, when completely oxidised in liver cells produces 32 ATP.

a)

True

b)

False

17.

Pyruvate is decarboxylated and is oxidised to form acetate that will combine with coenzyme A to form acetyl coenzyme A.

a)

True

b)

False

18.

Pyruvate oxidation is the stage in cellular respiration that links glycolysis to oxidative phosphorylation.

a)

True

b)

False

19.

Energy released during electron transport chain is used to pump hydrogen ions from the intermembrane space to the matrix of mitochondrion.

a)

True

b)

False

20.

Living organisms obtain energy from respiration to carry out metabolic processes.

a)

True

b)

False