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Photosynthesis

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Which lettered graph represents the effect of light intensity on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

2.

Which lettered graph represents the effect of temperature on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

3.
What is the correct equation for photosynthesis?
a)
C6H12O6 + 6O2 --> 6CO2 + 6H2O
b)
6CO2 + 6O2 --> C6H12O6  + 6H2O
c)
 6CO2 + 6O2 --> 6H2O + C6H12O6
d)
6CO2 + 6H2O  -->  6O2 + C6H12O6
4.
What do the light reactions produce?
a)
ATP, NADPH, O2
b)
H2O, O2, Glucose
c)
NADP+, ADP + P, O2
d)
NADPH, H2O, ATP
5.
Where do the light reactions take place inside a chloroplast?
a)
stroma
b)
lamellae
c)
chloroplast membrane
d)
thylakoid membrane
6.

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.

7.

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.

8.

What are the two main energy carrying molecules used to create glucose?

a)

ADP and ADNH+

b)

ATP and NADPH

c)

Starch and Cellulose

d)

Glucose and Hydrogen

9.

What organelle is responsible for photosynthesis in plants?

a)

endoplasmic reticulum

b)

chloroplast

c)

mitochondria

d)

golgi complex

10.

What part of the chloroplast does the Calvin cycle take place?

a)

outer membrane

b)

thylakoid

c)

stroma

d)

inner membrane

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.

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?

a)

NADPH

b)

ATP

c)

Water

d)

Oxygen gas

13.

Plants obtain CO2 into the chloroplast by

a)

active transport

b)

diffusion

c)

facilitated diffusion

d)

endocytosis

14.

Photosystems are made of

a)

chloroplasts

b)

chromosomes

c)

chlorophyll

d)

cytoplasm

15.
Which of the following is directly associated with Photosystem I?
a)
harvesting light energy to make ATP
b)
receiving electrons from the thylakoid membrane ETC
c)
generation of molecular oxygen
d)
extraction of hydrogen electrons from the splitting of water
16.
In a plant cell, where are ATP synthase complexes located?
a)
thylakoid membranes only
b)
inner mitochondrial membranes only
c)
thylakoid membrane and inner mitochondrial membranes
d)
thylakoid membrane and plasma membranes
17.
Which of the following statements about the relationship between photosynthesis and cellular respiration is true?
a)
In cellular respiration the biochemical pathways of photosynthesis run in reverse.
b)
In photosynthesis the biochemical pathways of cellular respiration run in reverse.
c)
Cellular respiration occurs only in animals and photosynthesis occurs only in plants.
d)
Cellular respiration is catabolic and photosynthesis is anabolic.
18.
In photosynthetic cells, synthesis of ATP by chemiosmosis occurs during
a)
photosynthesis only
b)
cellular respiration only
c)
both photosynthesis and cellular respiration
d)
photophosphorylation only
19.
In chemiosmosis in mitochondria, protons flow from the intermembrane space into the matrix, whereas in chemiosmosis in chloroplasts, protons flow from
a)
stroma into the cytosol
b)
stroma to the thylakoid space
c)
thylakoid space to the stroma
d)
intermembrane space to the stroma
20.

Red and blue light support the highest rates of photosynthesis because

a)

Only wavelength that carotenoid cannot absorb

b)

Chlorophylls absorb light of these wavelengths more then other wavelengths

c)

Light of these wavelengths have the highest energy in the visible spectrum

d)

Light of these wavelengths activate ATP synthase enzyme

21.

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

a)

ATP

b)

PGAL

c)

NADH

d)

NADPH

22.

How many carbon dioxide molecule must be added to RuBP to make a single molecule of glucose?

a)

3

b)

4

c)

5

d)

6

23.
Which leaf pigments are likely to move the quickest to the top?
a)
large nonpolar pigments
b)
small polar pigments
c)
small nonpolar pigments
d)
large polar pigments
24.
What is a limiting factor?
a)
The factor which increases the rate of a reaction
b)
The factor that limits the reaction rate
c)
The factor that limits the rate at which an enzyme is destroyed
25.
Which conclusion best matches the trends shown on the graph?
a)
Bean plants produce more ATP than corn plants.
b)
Corn plants require more oxygen than bean plants.
c)
Corn plants release more carbon dioxide than bean plants.
d)
Corn plants produce sugars at a faster rate than bean plants.

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