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AGRONOMY 181 EXAM 3 QUESTIONS AND ANSWERS

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  • Course
  • Agronomy
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  • Agronomy

AGRONOMY 181 EXAM 3 QUESTIONS AND ANSWERS

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  • September 24, 2024
  • 91
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Agronomy
  • Agronomy
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116 Multiple choice questions

Definition 1 of 116
function of P

SUGAR

WATER

PROTEIN

ATP

Definition 2 of 116
nutrient uptake is a/an _______ process

active

involuntary

spontaneous

passive

Definition 3 of 116
The enzyme used in CAM plants is ________

PEP


RUBISCO

ATP


LOAM

,Definition 4 of 116
C4 plants separate carbon fixation and the Calvin Cycle by ______

photolysis


anatomy

ecology


genetics

Definition 5 of 116
outputs of water in a crop production system

water, sugar

evaporation, transpiration, runoff, subsurface drainage

n, k, p, ca, mg, s


water potential

Definition 6 of 116
turgidity is controlled by _____

solute potential

water potential


osmosis

capillarity

Definition 7 of 116
photophosphorylation takes place in the ________

thylakoid


chlorophyll

stroma

protein

,Definition 8 of 116
what percent of an ideal soil is soil water?

45%


10%

25%

75%

Definition 9 of 116
water potential (increases/decreases) when going up a plant from roots to growing point

rises


increases

decreases

diffusion

Definition 10 of 116
the lower the water potential, the (more/less) likely water will move from that source

negative

greater

less

more

Definition 11 of 116
the movement of water within cells through plasmodesmata

osmosis

symplastic

chemiosmosis

apoplastic

, Definition 12 of 116
wind _______ relative humidity

increases


reduces

decreases

negative

Definition 13 of 116
SMT at FC in kPa

-66

-33

-63

-53

Definition 14 of 116
a more negative value for water potential is (high/low)

less

high

negative

low

Definition 15 of 116
a less negative value for water potential is (high/low)

low

negative

high

less

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