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DAT BIOLOGY (ALL PRACTICE EXAM QUESTIONS) QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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DAT BIOLOGY (ALL PRACTICE EXAM QUESTIONS) QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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DAT BIOLOGY (ALL PRACTICE EXAMQUESTIONS) QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
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? - ANSWER 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? - ANSWER Bryophyte
In the fetal circulatory system, the ductus venosus allows blood to bypass? - ANSWER Liver
What would be the expected outcome if the acrosome of a mature sperm failed to develop? - ANSWER
Inability to penetrate zona pellucida
IgA - ANSWER Found in muccous, salivia, tears, and breast milk. Protects against pathogens
IgD - ANSWER Part of the B cell receptor. Activates basophils and mast cells
IgE - ANSWER Protects against parasitic worms. Responsible for allergic reactions
IgG - ANSWER Secreted by plasma cells in the blood. Able to cross the placenta into the fetus
IgM - ANSWER 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? - ANSWER
Acrosomal reaction
Describe how the endometrium is maintained after implantation? - ANSWER the placenta secretes
chorionic gonadotrophin (hCG)
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