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Revision chapter 8

Total questions: 25

Worksheet time: 53mins

Name
Class
Date
1.
Which of the following statements is true for all cells?
a)
They use solar energy
b)
They use photosynthesis.
c)
They use chemical energy.
d)
They use chemosynthesis.
2.
Which phrase best describes the function of the ATP molecule?
a)
stores energy
b)
carries energy
c)
absorbs energy
d)
converts energy
3.
Energy is released from an ATP molecule for cellular processes when it 
a)
has a phosphate group removed
b)
stores and extra phosphate group
c)
converts a phosphate group to ADP
d)
produces a sugar molecule
4.
Why are mushrooms considered heterotrophs?
a)
Mushrooms make their own food
b)
Mushrooms feed through photosynthesis
c)
Mushrooms trap and eat small flying insects
d)
Mushrooms feed by absorbing decomposing nutrients from organisms
5.
What is the difference between ATP and ADP?
a)
ADP powers movement, while ATP does not
b)
ATP has three phosphates; ADP has two
c)
ATP contains adenine and ribose, while ADP does not
d)
ATP has less energy than ADP
6.
Organisms that make their own food are called
a)
heterotrophs
b)
autotrophs
c)
homotrophs
d)
polytrophs
7.
Energy is released upon the conversion of 
a)
AMP to ADP
b)
ADP to ATP
c)
ATP to ADP
d)
ATP to AZP
8.
One way cells use the energy provided by ATP is to 
a)
carry out active transport
b)
carry out diffusion
c)
remove two phosphate groups
d)
carry out osmosis
9.
Organisms that can capture energy from the sunlight to use it to produce its own food from inorganic compounds examples are plants Alake and some bacteria
a)
Autotrophs
b)
Heterotrophs
10.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

11.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

12.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
13.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

14.
What is the function of NADPH and ATP?
a)
They absorb light
b)
They power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They are short term energy carriers
15.

Where do the Light-independent reactions take place?

a)

thylakoid membrane

b)

lumen

c)

stroma

16.

What are the two products of the light reactions that are needed for the Light-independent reactions?

a)

NAD and NADPH

b)

NADP + and Glucose

c)

NADPH and ATP

d)

Oxygen and NADPH

17.

What is the main purpose of the light dependent reactions?

a)

To provide the energy for the Light-independent reactions

b)

To capture energy and make sugar

c)

To reflect green light

d)

To make sugars

18.

What organelle takes in light energy to produce food energy?

a)

chlorophyll

b)

chloroplast

c)

chlorophage

d)

chlorolous

19.
The process of photosynthesis takes place in organelles (part of cell) called ______.
a)
Phloem
b)
Xylem
c)
Stomata
d)
Cholorplasts
20.
Why do leaves look green?
a)
it reflects all colors but green
b)
it reflects yellow and blue
c)
it reflects green light
d)
it absorbs green light
21.
An _____  can make its own food, while a _____ cannot make its own food.
a)
Autotroph, Heterotroph 
b)
Heterotroph, Autotroph
c)
Chlorophyll, Chloroplast 
22.
The main pigment used in photosynthesis is called:
a)
Cholorphyll
b)
Cholorplasts
c)
Plant Pigment 
23.

Where is chlorophyll found in a plant cell?

a)

Nucleus

b)

Cytoplasm

c)

Chloroplasts

d)

Cell wall

24.

Which wavelengths of light do chlorophyll absorb the best

a)

Green and red

b)

Green and blue

c)

Red and blue

d)

Red green and blue

25.

A part of Chloroplasts that contain Chlorophyll Pigments

a)

Stroma

b)

Memebrane

c)

Thylakoid

d)

DNA

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