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Photosynthesis

Total questions: 42

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
2.
What absorbs energy from visible light?
a)
Chlorophyll
b)
Chloroplast
c)
Stroma
d)
Carbon Dioxide
3.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
4.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
5.
The raw materials or reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
6.
What do the light reactions produce?
a)
ATP, NADPH, O2
b)
H2O, O2, Glucose
c)
NADP+, ADP + P, O2
d)
NADPH, H2O, ATP
7.
What can change shape to open and close the stoma?
a)
guard cells
b)
xylem
c)
phloem
d)
vascular bundle
8.
After sugars are formed in photosynthesis, what structure do they travel through to reach the fruits of the plant?
a)
xylem
b)
cuticle
c)
phloem
d)
roots
9.

Where does light reactions take place?

a)

Stroma

b)

Thylakoid

c)

Cytoplasm

10.
What provides the energy for the Calvin cycle?
a)
ATP
b)
ADP
c)
NADP
d)
NADPH2
11.
What happens to NADPH and ATP after they are used in the Calvin Cycle?
a)
they recycle back to the light reactions
b)
they are used to make G3P
12.
What does NADPH do? 
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
13.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
14.
What supplies the electrons that are lost in photosystem I (PSI)?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
15.
What is the purpose of splitting water in PS2 of the light dependent reaction?
a)
Provides e- for PS2 and H+ for the thylakoid space
b)
To produce Oxygen for animals
c)
There is no purpose
16.
It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.
a)
ATP synthase, ATP
b)
NADH, NADPH
c)
proton pump, protons
17.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
18.
The disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
19.

5 carbon sugar that combines with CO2 in the Calvin Cycle

a)

3-PGA

b)

G3P

c)

RuBP

d)

Glucose

20.

Which of the following is true of the Calvin Cycle?

a)

carbon dioxide and energy (ATP and NADPH) are used to make organic compounds

b)

energy is absorbed from sunlight and converted to chemical energy stored in ATP and NADPH

c)

Occurs in the thylakoid

d)

Occurs in the cytoplasm

21.
In the Calvin Cycle, ________ and ________ from the light dependent reactions convert PGA into G3P
a)
O2, ATP
b)
CO2, H2
c)
ADP, NADPH
d)
NADPH, ATP
22.
In order to efficiently create 1 glucose molecule, the Calvin Cycle must occur how many times?
a)
3
b)
6
c)
1
d)
12
23.
The 5-Carbon molecules that the Calvin Cycle starts and ends with, is called _____________.
a)
PGA
b)
G3P
c)
RuBP
d)
RuDp
24.
The enzyme responsible for Carbon Fixation in C3 Photosynthesis is
a)
RuBisCo
b)
PEP Carboxylase
c)
Hexokinase
d)
Pyruvate DeHydrogenase
25.

Select ALL functions of roots.

a)

Absorb water and nutrients from the soil

b)

Hold the plant in the soil

c)

Release plant wastes into the soil

d)

Some plants store food in them

e)

Produce food for the plant

26.

In which of the following plants DO NOT store food?

a)

leaves

b)

stem

c)

fruit

d)

roots

e)

xylem

27.

Select ALL plants that store their food in the root.

a)

Carrot

b)

Spinach

c)

Celery

d)

Asparagus

e)

Beetroot

28.

A mark on the stem where the leaf used to be

a)

leaf scar

b)

Stolon

c)

bulb

d)

phloem

e)

apical meristem

29.

Tube-shaped cells inside of a stem, which carry food down from the leaves

a)

leaf scar

b)

Stolon

c)

bulb

d)

phloem

e)

apical meristem

30.

Cells on the inside of a stem that carry water and minerals up from the root

a)

Xylem

b)

cambium

c)

rhizome

d)

lateral bud

e)

corm

31.

Area on the inside of a stem where new xylem and phloem are made

a)

Xylem

b)

cambium

c)

rhizome

d)

lateral bud

e)

corm

32.

What is the function of the leaf on the plant?

a)

Absorbs water

b)

Absorbs Nutrients

c)

Photosynthesis

d)

Anchors the plant

33.

What is letter "A" pointing to?

a)

cuticle

b)

upper epidermis

c)

lower epidermis

d)

palisade mesophyll

34.
What type of leaf arrangement is this? 
a)
Simple
b)
Compound
c)
Double Compound
35.
What type of margin does this leaf have?
a)
Smooth
b)
Fine-toothed
c)
Coarse-toothed
d)
Scalloped
36.

What is the name of this molecule

a)

PGA

b)

PGAP

c)

PGAL

d)

Pyruvate

37.

What is the name of this molecule

a)

PGA

b)

PGAL

c)

PGAP

d)

PEP

38.

What is the name of this molecule

a)

PGA

b)

PGAP

c)

PGAL

d)

RuBP

39.

What is the name of this molecule

a)

PGA

b)

PGAP

c)

PGAL

d)

RuBP

40.

What is the name of this molecule

a)

ADP

b)

ATP

c)

NADPH

d)

PGA

41.

What is the name of this molecule

a)

ATP

b)

NADPH

c)

NADP

d)

RuBP

42.

What is the name of this enzyme

a)

ATP Synthase

b)

Rubisco

c)

NADPH

d)

Amylase

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