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•	Date:
1 
Standard(s): BIO.A.1.2 
In what way are photosynthesis and cellular
respiration similar?

(1)  They both occur in chloroplasts.
(2)  They both require sunlight.
(3)  They both involve organic and inorganic
       molecules.
(4)  They both require oxygen and produce
       carbon dioxide.

Answer: 
3    	
2 
Which substance is the most direct source of the
energy that an animal cell uses for the synthesis
of materials?

(1) ATP                                    (3) DNA
(2) glucose                              (4) starch 
Answer: 
1    	
3 
Energy from organic molecules can be stored in
ATP molecules as a direct result of the process of

(1) cellular respiration

(2) cellular reproduction

(3) diffusion

(4) digestion 
Answer: 
1    	
4 
Which part of a molecule provides energy for life
processes?

(1) carbon atoms     3) chemical bonds

(2) oxygen atoms     4) inorganic nitrogen 
Answer: 
3    	
5 
The diagram below represents events associated with a biochemical process that occurs in some organisms.

Which statement concerning this process is correct?
(1) The process represented is respiration and the primary source of energy for the process is the Sun.
(2) The process represented is photosynthesis and the primary source of energy for the process is the Sun.
(3) This process converts energy in organic compounds into solar energy which is released into the atmosphere.
(4) This process uses solar energy to convert oxygen into carbon dioxide.
Answer: 
2    	
6 
In the transfer of energy from the Sun to ecosystems, which molecule is one of the first to store this energy?

(1) protein            (3) DNA

(2) fat                    (4) glucose 
Answer: 
4    	
7 
A marathon runner frequently experiences muscle cramps while running. If he stops running and rests, the cramps eventually go away. The cramping in the muscles most likely results from

(1) lack of adequate oxygen supply to the muscle

(2) the runner running too slowly

(3) the runner warming up before running

(4) increased glucose production in the muscle 
Answer: 
1    	
8 
Why is a mushroom considered a heterotroph?

(1) It manufactures its own food.
(2) It divides by mitosis.
(3) It transforms light energy into chemical energy.
(4) It obtains nutrients from its environment. 
Answer: 
4    	
9 
Which statement most accurately predicts what would happen in the aquarium shown below if it were tightly covered and maintained in natural light for one month?

(1) The water temperature would rapidly decrease.
(2) The process of respiration in the snail would decrease.
(3) The rate of reproduction of the fish would be affected.
(4) The organisms would probably survive because materials would cycle.
Answer: 
4    	
10 
A limiting factor unique to a field planted with corn year after year is most likely

(1) temperature 
(2) sunlight 
(3) water
(4) soil nutrients

Answer: 
4    	
11 
Which phrase, if placed in box X, would correctly complete the flowchart shown below?

(1) Increased use of starch in root cells

(2) Increased concentration of glucose in leaf cells

(3) Decreased ATP in root cells

(4) Decreased concentration of oxygen in leaf cells
Answer: 
2    	
12 
The leaves of a plant are dotted with openings known as stomata. When open, stomata allow the plant to exchange gases and allow moisture to evaporate, helping to draw water from the roots up into the plant. These activities help the plant to

(1) produce light energy

(2) maintain homeostasis

(3) decompose organic matter

(4) synthesize minerals 
Answer: 
2    	
13 

Answer: 
2