BIo 152 Practice Exam questions with correct
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 - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers; 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% - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers;
a
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 - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers; 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% - verified answers; 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 - verified answers; 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 - verified answers; 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 - verified answers;
a
