Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

PT Light reactions

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
2.
The disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
3.
The membranes connecting the stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
4.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
5.
The basket in the Z-Scheme diagram is an anaolgy for:
a)
NADP+
b)
ETC
c)
Photosystem I
d)
Photosystem II
6.
The electrons for the Light Reactions come from
a)
NADP+
b)
Water
c)
NADPH
d)
Glucose
7.
The Z-Scheme reactions take place in the:
a)
Stroma
b)
Thylakoid Membrane
c)
Mitochondrion
d)
Chitinous Folds
8.
The two people with hammers in the Z-Scheme analogy refer to
a)
ETC
b)
Photosystems
c)
Thylakoids
d)
Xylem & Phloem
9.
The Z-Scheme results in the production of all the following except:
a)
O2
b)
H2O
c)
NADPH
d)
ATP
10.
Chlorophyll gives leaves a green colour because it:
a)
Absorbs green light
b)
Reflects green light
11.
In the light reactions of photosynthesis, H+ are pumped:
a)
In from the stroma
b)
Out of the stroma
c)
Into the chloroplast
d)
Out of the thylakoid
12.
In Cyclic Electron flow, electrons are returned to:
a)
Photosystem I
b)
Photosystem II
c)
H2O
d)
NADPH
13.
Which molecule is ONLY produced in Cyclic electron flow:
a)
ATP
b)
O2
c)
H2O
d)
NADPH
14.
Bundles of pigments called photosystems absorb light and donate electrons to ETCs
a)
True
b)
False
15.
The Z-Scheme analogy diagram shows the relative energy of protons through the light reactions of photsynthesis.
a)
False
b)
True
16.
In Non-Cyclic Electron Flow, which photosystem donates the electrons to the ETC, and ultimately NADPH?
a)
Photosystem II
b)
Photosystem I
17.
Both cyclic and non-cyclic electron flow result in the production of ATP.
a)
True
b)
False
18.

Which photosystem comes first in the electron transport chain?

a)

Photosystem 1

b)

Photosystem 2

c)

Photolysis

d)

ATP Synthase

19.

Which part of the plant cell enables photosynthesis?

a)

Vacuole

b)

Chloroplast

c)

Cell Wall

d)

Chlorophyll

20.

What are the products to the light reactions?

a)

Sunlight and Oxygen

b)

Sunlight and Water

c)

ATP, NADPH and Oxygen

d)

ADP, NADP+ and Oxygen

21.

Where do the light reactions occur?

a)

Cytoplasm

b)

Stroma

c)

Granum

d)

Thylakoid

22.

In what part of photosynthesis is water broken down?

a)

The Calvin Cycle

b)

The Dark Reactions

c)

Photosystem 1 of the ETC

d)

Photosystem 2 of the ETC