DAT Biology (ALL Practice Exam
Questions)
An organism is found during a biopsy of lung tissue. It is
determined to belong to the genus Streptococcus and is
known to cause tuberculosis. What type of organism is this? -
Correct Answers ✅Bacteria
A botanist has discovered a new plant and notes that it is
predominantly found in its gametophyte form. Which
category does this plant most likely belong to? - Correct
Answers ✅Bryophyte
In the fetal circulatory system, the ductus venosus allows
blood to bypass? - Correct Answers ✅Liver
What would be the expected outcome if the acrosome of a
mature sperm failed to develop? - Correct Answers
✅Inability to penetrate zona pellucida
IgA - Correct Answers ✅Found in muccous, salivia, tears,
and breast milk. Protects against pathogens
IgD - Correct Answers ✅Part of the B cell receptor.
Activates basophils and mast cells
IgE - Correct Answers ✅Protects against parasitic worms.
Responsible for allergic reactions
, DAT Biology (ALL Practice Exam
Questions)
IgG - Correct Answers ✅Secreted by plasma cells in the
blood. Able to cross the placenta into the fetus
IgM - Correct Answers ✅May be attached to the surface of
a B cell or secreted into the blood. Responsible for early
stages of immunity.
Which process immediately follows the penetration of the
corona radiata by sperm? - Correct Answers ✅Acrosomal
reaction
Describe how the endometrium is maintained after
implantation? - Correct Answers ✅the placenta secretes
chorionic gonadotrophin (hCG)
Regulation of the Lac Operon? - Correct Answers ✅When
allolactose is present, it binds to and deactivates a repressor
protein
Which of the following statements is true about energy use
by the body?
A. Protein is preferentially utilized as an energy source over
fat
B. Fats have the greatest yield of ATP
C. Most glycogen stores are in muscle
Questions)
An organism is found during a biopsy of lung tissue. It is
determined to belong to the genus Streptococcus and is
known to cause tuberculosis. What type of organism is this? -
Correct Answers ✅Bacteria
A botanist has discovered a new plant and notes that it is
predominantly found in its gametophyte form. Which
category does this plant most likely belong to? - Correct
Answers ✅Bryophyte
In the fetal circulatory system, the ductus venosus allows
blood to bypass? - Correct Answers ✅Liver
What would be the expected outcome if the acrosome of a
mature sperm failed to develop? - Correct Answers
✅Inability to penetrate zona pellucida
IgA - Correct Answers ✅Found in muccous, salivia, tears,
and breast milk. Protects against pathogens
IgD - Correct Answers ✅Part of the B cell receptor.
Activates basophils and mast cells
IgE - Correct Answers ✅Protects against parasitic worms.
Responsible for allergic reactions
, DAT Biology (ALL Practice Exam
Questions)
IgG - Correct Answers ✅Secreted by plasma cells in the
blood. Able to cross the placenta into the fetus
IgM - Correct Answers ✅May be attached to the surface of
a B cell or secreted into the blood. Responsible for early
stages of immunity.
Which process immediately follows the penetration of the
corona radiata by sperm? - Correct Answers ✅Acrosomal
reaction
Describe how the endometrium is maintained after
implantation? - Correct Answers ✅the placenta secretes
chorionic gonadotrophin (hCG)
Regulation of the Lac Operon? - Correct Answers ✅When
allolactose is present, it binds to and deactivates a repressor
protein
Which of the following statements is true about energy use
by the body?
A. Protein is preferentially utilized as an energy source over
fat
B. Fats have the greatest yield of ATP
C. Most glycogen stores are in muscle
