AFNS Biology - Bioenergetics AFNS MCQs

#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

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#26
CAM plants open stomata at:

A) Night

B) Noon only

C) Never

D) Winter only

Answer: A

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#27
Rate of photosynthesis limited by:

A) Light, CO2, temperature

B) Only water colour

C) Only soil type

D) Only wind direction

Answer: A

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#28
Respiration is exothermic meaning it:

A) Releases heat/energy

B) Absorbs only light

C) Creates matter

D) Stops metabolism

Answer: A

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Comments:

#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

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Comments:

#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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Comments:

#31
AFNS candidates should know bioenergetics for:

A) Energy metabolism in body cells

B) Only plant farming

C) Only geology

D) Only physics circuits

Answer: A

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AFNS â€” AFNS Biology

#25
C4 plants reduce photorespiration by:

A) Fixing CO2 in mesophyll then bundle sheath

B) No chlorophyll

C) No stomata

D) Only night fixation

Comments:

#26
CAM plants open stomata at:

A) Night

B) Noon only

C) Never

D) Winter only

Comments:

#27
Rate of photosynthesis limited by:

A) Light, CO2, temperature

B) Only water colour

C) Only soil type

D) Only wind direction

Comments:

#28
Respiration is exothermic meaning it:

A) Releases heat/energy

B) Absorbs only light

C) Creates matter

D) Stops metabolism

Comments:

#29
Oxidation in respiration means:

A) Loss of electrons / energy release step

B) Gain of oxygen only phrase

C) Always freezing

D) Always photosynthesis

Comments:

#30
NADH carries:

A) Electrons to ETC

B) Oxygen to lungs

C) CO2 to leaves

D) Glucose to kidney

Comments:

#31
AFNS candidates should know bioenergetics for:

A) Energy metabolism in body cells

B) Only plant farming

C) Only geology

D) Only physics circuits

Comments:

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AFNS â€” AFNS Biology

#25 C4 plants reduce photorespiration by:

A) Fixing CO2 in mesophyll then bundle sheath B) No chlorophyll C) No stomata D) Only night fixation

Comments:

#26 CAM plants open stomata at:

A) Night B) Noon only C) Never D) Winter only

Comments:

#27 Rate of photosynthesis limited by:

A) Light, CO2, temperature B) Only water colour C) Only soil type D) Only wind direction

Comments:

#28 Respiration is exothermic meaning it:

A) Releases heat/energy B) Absorbs only light C) Creates matter D) Stops metabolism

Comments:

#29 Oxidation in respiration means:

A) Loss of electrons / energy release step B) Gain of oxygen only phrase C) Always freezing D) Always photosynthesis

Comments:

#30 NADH carries:

A) Electrons to ETC B) Oxygen to lungs C) CO2 to leaves D) Glucose to kidney

Comments:

#31 AFNS candidates should know bioenergetics for:

A) Energy metabolism in body cells B) Only plant farming C) Only geology D) Only physics circuits

Comments:

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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

#26
CAM plants open stomata at:

A) Night

B) Noon only

C) Never

D) Winter only

#27
Rate of photosynthesis limited by:

A) Light, CO2, temperature

B) Only water colour

C) Only soil type

D) Only wind direction

#28
Respiration is exothermic meaning it:

A) Releases heat/energy

B) Absorbs only light

C) Creates matter

D) Stops metabolism

#29
Oxidation in respiration means:

A) Loss of electrons / energy release step

B) Gain of oxygen only phrase

C) Always freezing

D) Always photosynthesis

#30
NADH carries:

A) Electrons to ETC

B) Oxygen to lungs

C) CO2 to leaves

D) Glucose to kidney

#31
AFNS candidates should know bioenergetics for:

A) Energy metabolism in body cells

B) Only plant farming

C) Only geology

D) Only physics circuits