wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Photosynthesis Bio Honors

Total questions: 20

Worksheet time: 28mins

Name
Class
Date
1.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
2.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
3.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

CO2 + light + H2O --> O2 + Sugar

b)

CO2 + sugar + H2O --> O2 + light

c)

O2 + light + H2O --> CO2 + Sugar

d)

CO2 + O2 + H2O --> Light+ Sugar

4.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
5.

What are the products (what is made) of photosynthesis?

a)

water and carbon dioxide

b)

oxygen and glucose

c)

oxygen and carbon dioxide

d)

oxygen and water

6.

Which of the following is NOT a product of the light reactions?

a)

Oxygen

b)

NADPH

c)

ATP

d)

Glucose (Sugar)

7.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
8.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
9.

Main products of the Calvin Cycle

a)

Oxygen, NADP+, ADP

b)

Glucose, CO2, ADP

c)

ADP, NADP+, Glucose

d)

ATP, NADPH, Oxygen

10.

5 carbon sugar that combines with CO2 in the Calvin Cycle

a)

3-PGA

b)

G3P

c)

RuBP

d)

Glucose

11.

During the light-dependent reactions, ________ and ________ are produced to power the Calvin Cycle.

a)

O2, ATP

b)

CO2, H2

c)

ADP, NADPH

d)

NADPH, ATP

12.
The 5-Carbon molecules that the Calvin Cycle starts and ends with, is called _____________.
a)
PGA
b)
G3P
c)
RuBP
d)
RuDp
13.
Which of the following molecules is not needed for the Calvin Cycle?
a)
CO2
b)
ATP
c)
NADPH
d)
H2O
14.

Where do the dark reactions happen?

a)

Thylakoid membrane

b)

Cytoplasm

c)

Chlorophyll

d)

Stroma

15.

In the Calvin cycle, after the 6-carbon molecule splits, which of the following does not occur?

a)

One G3P leaves the cycle to become glucose

b)

PGA is converted into G3P

c)

CO2 diffuses into the stroma

d)

One G3P molecule moves on to become RuBP again

16.

Why do CAM plants open their stomata at night

a)

It just happens

b)

To take in oxygen

c)

To collect Carbon Dioxide

d)

None of the above

17.

Which of these would be considered a C4 Pathway plant?

a)

cactus

b)

sugar cane

c)

oak tree

d)

aglae

18.

Which part of the leaf is involved in conserving water in dry conditions?

a)

stroma

b)

chloroplast

c)

veins

d)

stomata

19.

_____ plants like cacti, succulents, and pineapple only open their stomata for CO2 uptake at night.

a)

C3

b)

C4

c)

CAM

20.

Which of the following is a reactant in the light-dependent phase of photosynthesis?

a)

O2

b)

C6H12O6

c)

H2O

d)

CO2