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Ch. 9 Test , First Names O  through T

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which of the following equations best represents photosynthesis?
a.
6CO2 + 6H2O ® C6H12O6 + 6O2
c.
C + O2 + H2O ® CO2 + HOH
b.
C6H12O6 ® 6CO2 + 6H2O
d.
6C + 6H2O ® C6H12O6
 

 2. 

Which sugar is a part of adenosine diphosphate?
a.
adenine
c.
ribose
b.
glycogen
d.
glucose
 

 3. 

In order to move molecules in your kidneys, your body needs _____.
a.
heat
c.
cold
b.
energy
d.
sunlight
 

 4. 

Chlorophyll traps _____ from sunlight.
a.
oxygen
c.
energy
b.
glucose
d.
hydrogen
 

 5. 

Which of the following is not a part of adenosine diphosphate?
a.
ribose
c.
two phosphate groups
b.
adenine
d.
glucose
 

 6. 

The main energy-trapping molecule in plants is _____.
a.
chlorophyll
c.
chloroplast
b.
carotenoids
d.
stroma
 

 7. 

A green pigment that traps energy from sunlight is _____.
a.
carotenoid
c.
ATP
b.
chlorophyll
d.
thylakoid membranes
 

 8. 

Organisms need a way of storing energy because _____.
a.
a cell can't always immediately use all the energy it gets
b.
a cell can release only stored energy
c.
an organism often has times when no energy is used
d.
a cell cannot create energy and must get it from elsewhere in the organism
 

 9. 

Kidneys use energy to move molecules and ions in order to keep the blood chemically balanced. This process is an example of cells using energy to _____.
a.
carry on chemosynthesis
c.
maintain homeostasis
b.
transmit impulses
d.
control body temperature
 

 10. 

Leaves appear green because the green portion of the light that strikes them is _____.
a.
destroyed
c.
changed to heat
b.
absorbed
d.
reflected
 

 11. 

Cells store energy when _____.
a.
ions are released into the bloodstream
b.
a third phosphate group is bonded to an ATP molecule
c.
the third phosphate group breaks off from an ATP molecule
d.
they break down sucrose to glucose and fructose
 

 12. 

Energy is released from ATP when the bond is broken between _____.
a.
ribose and a phosphate group
c.
adenine and a phosphate group
b.
two phosphate groups
d.
adenine and ribose
 



 
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