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Photosynthesis

Total questions: 22

Worksheet time: 21mins

Name
Class
Date
1.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Ribosomes

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

2.

What is the green pigment that "traps" sunlight?

a)

Chlorophyll

b)

Chloroplasts

c)

Photosynthesis

d)

ATP

3.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
4.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
5.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)

CO+ light + H2O --> O+ C6H12O

b)

CO+ C6H12O+ H2O --> O+ light

c)

 O2 + light + H2O --> CO+ C6H12O

d)

CO+ O2 + H2O --> Light+ C6H12O

6.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
7.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
8.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)

reflects green light.

d)
does not absorb violet light.
9.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
10.
Where does the Calvin Cycle occur?
a)
thylakoid
b)
stroma
c)
lumen
d)
mitochondria
11.

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 

a)
The light-dependent stage
b)

The Calvin Cycle or (light independent cycle)

c)
The electron transport chain
d)
ATP formation
12.

What molecule supplies the electron in Photosystem II when it is broken into two substances?

a)
oxygen
b)
water
c)
glucose
d)

ATP

13.
How can photosynthesis be related to cellular respiration?
a)
What's produced (made) by one is needed (the reactants) for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
14.

Which early scientist discovered that plants release oxygen by using a candle and bell jar?

a)

Jan Van Helmont

b)

Joseph Priestly

c)

Jan Ingenhousz

d)

Melvin Calvin

15.

Both plants and animals utilize energy stored in ATP?

a)

True

b)

False

16.

Which of these molecules provide the greatest amount of energy?

a)

ADP

b)

ATP

c)

glucose

d)

NADPH

17.

What is water's role in photosynthesis?

a)

To create a liquid solute for oxygen to be made.

b)

To provide electrons and hydrogen, to energize ATP and NADPH.

c)

To help plants with gas exchange, such as diffusion of CO2.

d)

To hydrate plants and removes harmful waste products.

18.

What do pigments do?

a)

Absorb specific wavelengths(color) of visible light for energy.

b)

Absorb CO2 in the Stroma to create sugar.

c)

Transports e- in the electron transport chain.

d)

Transports energy between plant cells.

19.

As the intensity of light increases, the rate of photosynthesis will...

a)

increase

b)

increase exponentially

c)

remain constant

d)

decrease

20.

Which of the following statements is true about pigments?

a)

Chlorophyll is best at absorbing green and yellow light

b)

Chlorophyll-a makes some plants look red

c)

Carotenoid is best at absorbing yellow, orange, and red light

d)

Chlorophyll-b is best at absorbing blue-violet light

21.

The electron transport chain is part of which photosynthetic process?

a)

Light Dependent Reactions

b)

Calvin Cycle

22.

What does this graph illustrate about the rate of photosynthesis and temperature

a)

Temperature has no effect on the rate of photosynthesis

b)

Photosynthesis slows down as temperatures increase

c)

Photosynthesis increases steadily then plummets at high temperatures

d)

Photosynthesis peaks as temperatures cool