wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

photosynthesis

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

In CAM plants, carbon dioxide is fixed for the first time to …

a)

Ribulose bisphosphate.

b)

Phosphoenolpyruvate.

c)

Glyceraldehyde-3-phosphate.

d)

3-phosphoglycerate.

2.

Cyclic photophosphorylation differs from non-cyclic photophosphorylation in that _____________ is not made from the process.

a)

ATP.

b)

PGAL.

c)

NADH.

d)

NADPH

3.

In C4 pathway, which of the following molecules combines with carbon dioxide first?

a)

Glyceraldehyde phosphate

b)

Ribulose bisphosphate

c)

Phosphoenol pyruvic acid

d)

Citric acid

4.

How does the calvin cycle differ from the light reactions?

a)

The calvin cycle takes place in the thylakoid

b)

The calvin cycle takes place in the stroma

c)

The calvin cycle takes place in the mitochondria

d)

The calvin cycle produces ATP to be used in the light dependent reactions

5.

The overall reactions of photosynthesis are best summarized as …

a)

12 CO2 + 6 H2O → C6H12O6 + 12 O2 + 6 H2O.

b)

C6H12O6 + 6 O2 + 6 H2O → 6 CO2 + 12 H2O.

c)

6 CO2 + 12 H2O → C6H12O6 + 6 O2 + 6 H2O.

d)

6 CO2 + 12 H2O → C6H12O6 + 12 O2.

6.

What colour of light is best absorbed by plants?

a)

Red and blue

b)

Green and Yellow

c)

Red and green

d)

Blue and green

e)

Only green

7.
Which color light would likely produce the least amount of bubbles in this setup?
a)
green
b)
blue
c)
white
d)
red
8.

What are the products of photosynthesis?

a)

lipids

b)

carbs and reactants essential for aerobic respiration

c)

starches

d)

carbs and reactants essential for anaerobic respiration

9.
Which of the following organisms is autotrophic?
a)
mushroom
b)
mold
c)
green tree frog
d)
cyanobacterium
10.

What is the role of Chlorophyll in photosynthesis?

a)

It breaks the hydrogen bonds in water molecules

b)

It converts light energy into chemical energy contained in bonds

c)

It releases absorbs green light waves and reflects all of the other ones

d)

it provides energy for the light dependent reactions