AFNS — AFNS Biology
Bioenergetics
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#25 C4 plants reduce photorespiration by:
A) Fixing CO2 in mesophyll then bundle sheath
B) No chlorophyll
C) No stomata
D) Only night fixation
Answer: A
#26 CAM plants open stomata at:
A) Night
B) Noon only
C) Never
D) Winter only
Answer: A
#27 Rate of photosynthesis limited by:
A) Light, CO2, temperature
B) Only water colour
C) Only soil type
D) Only wind direction
Answer: A
#28 Respiration is exothermic meaning it:
A) Releases heat/energy
B) Absorbs only light
C) Creates matter
D) Stops metabolism
Answer: A
#29 Oxidation in respiration means:
A) Loss of electrons / energy release step
B) Gain of oxygen only phrase
C) Always freezing
D) Always photosynthesis
Answer: A
#30 NADH carries:
A) Electrons to ETC
B) Oxygen to lungs
C) CO2 to leaves
D) Glucose to kidney
Answer: A
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