PCB 3043 Chapter 3 || 100% Error-free Answers.
Which soil particle would you expect to have the highest field capacity?
-clay
-silt
-sand
-They all have the same field capacity correct answers clay
Which type of soil would you expect to have the most available water for plant growth?
-loam
-sand
-silty clay
-clay correct answers -loam
What process assists root pressure in the movement of water between the roots and leaves of
trees?
-salinization
-transpiration
-gravity
-osmotic potential correct answers transpiration
Which is the ultimate source of energy for a carnivore?
-soil
-sunlight
-meat
-plants correct answers sunlight
What is responsible for the low efficiency of C3 photosynthesis at low CO2 levels?
-rubisco
-PEP
-ATP
-mesophyll correct answers rubisco
How do CAM plants minimize water loss?
-They have large stomata.
-They use low concentrations of ATP.
-They exchange gas primarily at night.
-They use the enzyme rubisco. correct answers They exchange gas primarily at night.
Which is NOT an adaptation to arid regions?
, -very deep roots
-large leaf surfaces
-very shallow roots
-waxy resins on leaves correct answers large leaf surfaces
Mammals primarily excrete excess nitrogen in the form of
-uric acid.
-nucleic acid.
-urea.
-ammonia. correct answers urea.
Negative feedback
-causes a system to change its set point.
-causes a system to increase in effectiveness.
-causes a system to decrease in effectiveness.
-causes a system to return to its set point. correct answers causes a system to return to its set
point.
Which heat transfer method is most affected by the formation of a boundary layer?
-evaporation
-radiation
-conduction
-convection correct answers convection
The matric potential of soil is possible due to
-the fact that soil particles are neutral (not charged).
-the fact that water in the soil is in constant motion.
-the fact that water is a polar molecule.
-the fact that water is a non-polar molecule. correct answers the fact that water is a polar
molecule.
The maximum amount of water available to plants in the soil is called the
-saturation point.
-supersaturation point.
-field capacity.
-wilting point. correct answers field capacity.
Water moves from the soil to the roots of plants due to differences in
-soil retention rates.
Which soil particle would you expect to have the highest field capacity?
-clay
-silt
-sand
-They all have the same field capacity correct answers clay
Which type of soil would you expect to have the most available water for plant growth?
-loam
-sand
-silty clay
-clay correct answers -loam
What process assists root pressure in the movement of water between the roots and leaves of
trees?
-salinization
-transpiration
-gravity
-osmotic potential correct answers transpiration
Which is the ultimate source of energy for a carnivore?
-soil
-sunlight
-meat
-plants correct answers sunlight
What is responsible for the low efficiency of C3 photosynthesis at low CO2 levels?
-rubisco
-PEP
-ATP
-mesophyll correct answers rubisco
How do CAM plants minimize water loss?
-They have large stomata.
-They use low concentrations of ATP.
-They exchange gas primarily at night.
-They use the enzyme rubisco. correct answers They exchange gas primarily at night.
Which is NOT an adaptation to arid regions?
, -very deep roots
-large leaf surfaces
-very shallow roots
-waxy resins on leaves correct answers large leaf surfaces
Mammals primarily excrete excess nitrogen in the form of
-uric acid.
-nucleic acid.
-urea.
-ammonia. correct answers urea.
Negative feedback
-causes a system to change its set point.
-causes a system to increase in effectiveness.
-causes a system to decrease in effectiveness.
-causes a system to return to its set point. correct answers causes a system to return to its set
point.
Which heat transfer method is most affected by the formation of a boundary layer?
-evaporation
-radiation
-conduction
-convection correct answers convection
The matric potential of soil is possible due to
-the fact that soil particles are neutral (not charged).
-the fact that water in the soil is in constant motion.
-the fact that water is a polar molecule.
-the fact that water is a non-polar molecule. correct answers the fact that water is a polar
molecule.
The maximum amount of water available to plants in the soil is called the
-saturation point.
-supersaturation point.
-field capacity.
-wilting point. correct answers field capacity.
Water moves from the soil to the roots of plants due to differences in
-soil retention rates.
