DAT Biology Practice Exam Questions With 100%Verified Answers
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DAT Biology Practice Exam Questions With 100%Verified Answers
Where is antidiuretic hormone stored in the body?
A. Thyroid
B. Pancreas
C. Pineal gland
D. Posterior pituitary
E. Anterior pituitary - correct answer...D
An otherwise healthy mother who consumes insufficient dietary vitamin B...
DAT Biology Practice Exam Questions
With 100%Verified Answers
Where is antidiuretic hormone stored in the body?
A. Thyroid
B. Pancreas
C. Pineal gland
D. Posterior pituitary
E. Anterior pituitary - correct answer...✔✔D
An otherwise healthy mother who consumes insufficient dietary vitamin B has four
offspring that all produce insufficient growth hormone. What is the most likely
connection?
A. Epistatic link
B. Polygenic link
C. Common pleiotropic allele
D. Epigenetic link
E. No link, it was random - correct answer...✔✔D
Which of the following transports minerals through the plant?
A. Xylem
B. Guard cells
C. Cytokinins
D. Ground tissue
E. Phloem - correct answer...✔✔A
Which of the following organisms has a predominantly haploid lifecycle?
A. Mollusca
B. Ferns
C. Chordata
D. Fungi
E. Annelids - correct answer...✔✔D
If a zebra is 2n = 18 and a horse is 2n = 24, what is the genetic makeup of the hybrid
offspring?
A. 2n = 18
B. 2n = 21
C. 2n = 22
D. 2n = 24 - correct answer...✔✔B
Antibiotic resistant bacteria colony A is left to sit on an agar plate. After some time,
bacteria colony A is removed and antibiotic susceptible bacteria colony B is added to
the plate. Bacteria colony B gains antibiotic resistance while sitting on the plate. What
phenomenon best describes what has occurred?
AGRDESOLUTIONS
,A. Transduction
B. Conjugation
C. Transformation
D. Mutation
E. Translation - correct answer...✔✔C
All of the following are secondary messengers used in signal transduction EXCEPT
one. Which is the EXCEPTION?
A. Cyclic AMP
B. Diacylglycerol
C. Inostiol triphosphate
D. Calcium
E. GTP - correct answer...✔✔E
What part of the developing blastocyst contributes to the placenta?
A. Inner cell mass
B. Trophoblast
C. Ectoderm
D. Blastocoel
E. Epiblast - correct answer...✔✔B
A species exhibits a type I survivorship curve. What is another characteristic that is true
of this species?
A. High carrying capacity
B. Large amount of offspring
C. Short lifespan
D. Quick maturation period
E. Increasing mortality with increasing age - correct answer...✔✔E
Where is carbon dioxide produced?
A. Glycolysis in the cytosol
B. Pyruvate manipulations in the intermembrane space
C. Citric acid cycle in the mitochondrial matrix
D. Electron transport chain in the mitochondrial matrix - correct answer...✔✔C
Which of the following is a function of histamine?
A. Reduces tissue swelling
B. Activates mast cells
C. Dilates capillaries
D. Decreases the inflammatory response
E. Increases blood pressure - correct answer...✔✔C
If 2n = 8, how many chromatids are present in each daughter cell during metaphase II?
A. 2
B. 4
C. 8
AGRDESOLUTIONS
, D. 16 - correct answer...✔✔C
Which cell type is responsible for secreting hydrochloric acid in the stomach?
A. Kupffer cells
B. Goblet cells
C. Chief cells
D. Mucous cells
E. Parietal cells - correct answer...✔✔E
Which enzyme acts in the first step of glycolysis?
A. Hexokinase
B. Lactase
C. Amylase
D. Trypsin
E. Phosphofructokinase - correct answer...✔✔A
What is the main force that drives filtration in Bowman's capsule?
A. Osmotic pressure from the filtrate
B. The pressure produced from the lack of proteins in the filtrate
C. The pressure produced by the blood inside the glomerulus
D. Oncotic pressure from the blood - correct answer...✔✔C
Which of the following is a function of the lymphatic system?
A. Transport fat towards the digestive system
B. Return fluids that escaped cells and tissues back to blood vessels
C. Provide oxygen to tissues
D. Regulate body temperature
E. Synthesis of complement proteins - correct answer...✔✔B
Which of the following are amniotic?
A. Fish, amphibia, and reptiles
B. Fish and amphibia
C. Reptiles only
D. Mammals and reptiles
E. Mammals, birds, and reptiles - correct answer...✔✔E
Where does hematopoiesis predominantly occur?
A. Epiphysis
B. Diaphysis
C. Synarthroses
D. Lamellae
E. Cortical bone - correct answer...✔✔A
Excessive consumption of potassium iodide would most likely affect the function which
of the following organs?
A. Thyroid
AGRDESOLUTIONS
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