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Photosynthesis

Total questions: 13

Worksheet time: 6mins

Name
Class
Date
1.

Main pigment

a)

Carotene

b)

Chlorophyll a

c)

Chlorophyll b

d)

Accessory pigment

2.

Photosystem with P700

a)

PSI

b)

PSII

c)

PSII and PSI

d)

All are correct

3.

Where in the chloroplast take place the photochemical reaction?

a)

Outer membrane

b)

Stroma

c)

Thylakoid (membrane)

d)

Starch

e)

Inner membrane

4.

Maximun light absorption of PSI

a)

540

b)

840

c)

680

d)

700

e)

730

5.

Maximun light absorption of PSII

a)

540

b)

680

c)

700

d)

840

e)

730

6.

Which are the 3 products of the photochemical phase?

a)

NADPH, ATP ans O2

b)

NADH, ADP and H2O

c)

ATP, NAD+ And O3

d)

NADPH, AMPc and O2

e)

NADH, O2 and ATP

7.

First stage of photosynthesis where solar energy is transfrmed into chemical energy.

a)

dark phase

b)

light phase

c)

biosynthetic phase

d)

Calvin cycle

8.

Where in the chloroplast take place the photochemical reaction?

a)

Outer membrane

b)

Stroma

c)

Thylakoid

d)

Starch

e)

Inner membrane

9.

PSI is called like this because is the first photosystem in the light reaction

a)

True

b)

False

10.

PSII primary electron acceptor

a)

Chlorophyll a

b)

Pheophytin

c)

Chlorophyll b

d)

Carotenoid

11.

When P680 is excited, loses an electro which is replaced with one from...

a)

The P700

b)

The water photolysis

c)

From the CO2

d)

From the O2

12.

Electrons that travels from PSII to PSI...

a)

Move through electron carriers of high energy to low energy

b)

Move through electron carriers of low energy to high energy

c)

Are used to break a water molecule

d)

Will be used by the ATPase

13.

Energy released from electrons during ETC, is used to ...

a)

Pump protons from the interior of thylakoids to the stroma

b)

Pump protons from the stroma to the interior of thylakoids

c)

Break a water molecule (photolysis)

d)

reduce the proton gradient inside the thylakoid