1. The net product of the Calvin cycle is
A.) 3PG
B.) RuBP.
C.) G3P
D.) CO2
E.) H2O

2.) Photorespiration is _________
A.) part of photosynthesis.
B.) the pathway which plants use to produce energy.
C.) the same as cellualr respiration.
D.) a wasteful reaction.
E.) a process that prokaryotic cells use to produce ATP.
F.) art of cellular respiration.

3.) The leaves of plants are green because they ____________________ light.
A.) absorb green
B.) absorb yellow and red
C.) do not absorb yellow and red
D.) reflect green

4.) Completely metabolizing ONE glucose molecule produces approximate ___ ATP.
A.) 2
B.) 28
C.) 32
D.) 36
E.) 46

5.) The electron transport chain functions within the
A.) mitochondria
B.) cytoplasm
C.) nucleus
D.) lysosome
E.) central vacuole

6.) Succulent plants that live in warm, arid region use mostly __________ pathway.
A.) cyclic
B.) C4
C.) C3
D.) CAM
E.) noncyclic

7.) The O2 released during photsynthesis comes from ___.
A.) H2O
B.) fat
C.) ATP
D.) glucose
E.) C2O

8.) NAD and FAD are
A.) coenzymes.
B.) vitamins.
C.) enzymes.
D.) ions.
E.) energy molecules.
F.) food.

9.) The first step of Calvin cycle is called__________.
A.) CO2 fixation
B.) C4 photosynthesis
C.) cyclic electron pathway
D.) noncyclic electron pathway
E.) light reaction
F.) glycolysis

10.)Most of the ATP of aerobic cellular respiration is produced directly by
A.) Glycolysis.
B.) Preparatory Reaction.
C.) Citric acid (Krebs) cycle.
D.) the Electron Transport Chain
E.) fermention.

11.) Which following radiant energy would have the highest energy content?
A.) gamma rays
B.) radio waves
C.) UV light
D.) red light
E.) infrared
F.) microwaves

12.) The reaction-center of Photosystem II and I contains ____.
A.) chlorophyll a
B.) chlorophyll b
C.) chlorophyll c
D.) carotene
E.) xanthophyll

13.) NADPH production occurs in ___.
A.) noncyclic electron pathway
B.) cyclic electron pathway
C.) calvin cycle
D.) citric acid cycle
E.) glycolysis
F.) electron transport chain

14.) In a C4 plant, Calvin cycle occurs in
A.) bundle sheath cells
B.) mesohyll cells
C.) guard cells
D.) stoma
E.) thylakoids

15.) What is the main function of stomata in photosynthesis?
A.) synthesize photosynthetic enzymes
B.) site of biochemical reactions
C.) allow H2O to enter the leaves.
D.) allow CO2 to enter the leaves.
E.) allow O2 to enter the leaves