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BIo 152 Practice Exam|59 Questions and Answers
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BIo 152 Practice Exam|59Questions and Answers
Under what circumstances would a photosynthetic cell act as a sink for
sucrose?
a. When it is still very young and growing
b. When it is in bright sunlight
c. When it is humid outside
d. When the plant is putting nutrients into storage in the roots
e. When the plant is putting nutrients into seeds for the next generation of
plants - -a
- 42. If you were to look under the microscope at this mature plant cell, you
would not find a nucleus within it, or any other cellular organelle. What cell
type is it?
a. Companion cell
b. Root hair cell
c. Photosynthetic cell
d. Pericyte
e. Tracheid - -e
- 43. This nitrogenous waste product is produced and excreted by the desert
lizard to conserve as much water as possible. It is:
a. Ammonia
b. Urea
c. Ureter
d. Uric acid
e. Nitric acid - -d
- 44. Juxtamedullary nephrons are associated with:
a. More dilute urine
b. More concentrated urine
c. Urine with lots of ammonia
d. Urine with lots of urea in it
e. Urine with glucose in it - -b
- 45. All of the following are true of xylem, EXCEPT:
a. Tracheids and vessel elements are the two types of conducting cells of
xylem
b. Water and minerals are transported through xylem
c. Companion cells provide nutrients to tracheids
d. Xylem is dead at maturity - -c
, - 46. When fluids move amongst the cells of a tissue in a plant, if they move
entirely through the spaces outside of cells, then this type of movement is
referred to as:
a. Transplactic
b. Apoplastic
c. Symplastic
d. Antiplastic
e. Hypoplastic - -b
- During the first phase of the cardiac cycle, the atria are in __________, and
the ventricles are passively filled to about ________ percent of the blood that
will be in the heart during this cycle. Overall, the pressure of the blood in the
heart during this phase is very low.
a. Systole; 20%
b. Diastole; 20%
c. Systole; 80%
d. Diastole; 80% - -d
- During the last phase of the cardiac cycle, the ventricles are ________ and
the AV valves are ____________. This results in blood being ejected into the
downstream arteries.
a. Contracting; open
b. Relaxed; open
c. Contracting; closed
d. Relaxed; closed - -c
- The image of the circulatory system shown to the left belongs to which
animal lineage?
a. bryophytes
b. mollusks
c. birds
d. mammals
e. amphibians - -e
- The main function of the renal corpuscle in the mammalian kidney is:
a. Filtration of bodily fluids
b. bulk absorption of ions, water, and organic molecules
c. bulk reabsorption of ions, water, and organic molecules
d. selective (fine tuned) absorption of ions, water, and organic molecules
e. selective (fine tuned) reabsorption of ions, water, and organic molecules -
-a
- Renal Question Part 1) In a mammal, the last step in the formation of urine
is _______________.
a. Bulk reabsorption
b. Filtration
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