Science Bowl Questions Biology - 1
Science Bowl Questions – Biology, Set 2
1. Multiple Choice: The adult human of average age and size has approximately how many quarts of
blood? Is it:
a) 4
b) 6
c) 8
d) 10
ANSWER: B -- 6
2. Multiple Choice: Once the erythrocytes enter the blood in humans, it is estimated that they have an
average lifetime of how many days. Is it:
a) 10 days
b) 120 days
c) 200 days
d) 360 days
ANSWER: B -- 120 Days
3. Multiple Choice: Of the following, which mechanisms are important in the death of erythrocytes
(pron: eh-rith-reh-sites) in human blood? Is it
a) phagocytosis (pron: fag-eh-seh-toe-sis)
b) hemolysis
c) mechanical damage
d) all of the above
ANSWER: D -- all of the above
4. Multiple Choice: Surplus red blood cells, needed to meet an emergency, are MAINLY stored in what
organ of the human body? Is it the:
a) pancreas
b) spleen
c) liver
d) kidneys
ANSWER: B – spleen
5. Multiple Choice: When a human donor gives a pint of blood, it usually requires how many weeks for
the body RESERVE of red corpuscles to be replaced? Is it:
a) 1 week
b) 3 weeks
c) 7 weeks
d) 21 weeks
ANSWER: C -- 7 weeks
6. Short Answer: There are three substances found in human blood which carry oxygen and which begin
with the letter "H". Name two of these substances.
ANSWER: Hemoglobin, Hemocyanin, Hemerythrin
7. Multiple Choice: The several types of white blood cells are sometime collectively referred to as:
, Science Bowl Questions Biology - 2
a) erythrocytes (pron: eh-rith-row-cites)
b) leukocytes (pron: lew-kah-cites)
c) erythroblasts (pron: eh-rith-rah-blast)
d) thrombocytes (pron: throm-bow-cites)
ANSWER: B -- leukocytes
8. Multiple Choice: The condition in which there is a DECREASE in the number of white blood cells in
humans is known as:
a) leukocytosis (pron: lew-kO-sigh-toe-sis)
b) leukopenia (pron: lew-kO-pea-nee-ah)
c) leukemia (pron: lew-kee-me-ah)
d) leukohyperia (pron: lew-kO-high-per-e-ah)
ANSWER: B -- leukopenia
9. Multiple Choice: The smallest of the FORMED elements of the blood are the:
a) white cells
b) red cells
c) platelets
d) erythrocytes
ANSWER: C – platelets
10. Multiple Choice: Which of the following statements concerning platelets is INCORRECT. Platelets:
a) contain DNA
b) are roughly disk-shaped
c) have little ability to synthesize proteins
d) are between 1/2 and 1/3 the diameter of the red cell
ANSWER: A -- contain DNA
11. Short Answer: What is the primary function of the platelets in huma blood? ANSWER: clotting or
blocking leaks from blood vessels
12. Multiple Choice: When a wound occurs in humans, the platelets in the blood activate a substance
which starts the clotting process. The substance which starts the clotting is:
a) adenosine (pron: ah-den-ah-seen)
b) histamine
c) lecithin (pron: less-ah-thin)
d) thrombin
ANSWER: D -- Thrombin
13. Multiple Choice: When looking at the cross section of the human tibia, one finds the RED marrow in
the:
a) medullary cavity
b) cancellous bone
c) periosteum
d) epiphysis
ANSWER: A -- medullary cavity
Science Bowl Questions – Biology, Set 2
1. Multiple Choice: The adult human of average age and size has approximately how many quarts of
blood? Is it:
a) 4
b) 6
c) 8
d) 10
ANSWER: B -- 6
2. Multiple Choice: Once the erythrocytes enter the blood in humans, it is estimated that they have an
average lifetime of how many days. Is it:
a) 10 days
b) 120 days
c) 200 days
d) 360 days
ANSWER: B -- 120 Days
3. Multiple Choice: Of the following, which mechanisms are important in the death of erythrocytes
(pron: eh-rith-reh-sites) in human blood? Is it
a) phagocytosis (pron: fag-eh-seh-toe-sis)
b) hemolysis
c) mechanical damage
d) all of the above
ANSWER: D -- all of the above
4. Multiple Choice: Surplus red blood cells, needed to meet an emergency, are MAINLY stored in what
organ of the human body? Is it the:
a) pancreas
b) spleen
c) liver
d) kidneys
ANSWER: B – spleen
5. Multiple Choice: When a human donor gives a pint of blood, it usually requires how many weeks for
the body RESERVE of red corpuscles to be replaced? Is it:
a) 1 week
b) 3 weeks
c) 7 weeks
d) 21 weeks
ANSWER: C -- 7 weeks
6. Short Answer: There are three substances found in human blood which carry oxygen and which begin
with the letter "H". Name two of these substances.
ANSWER: Hemoglobin, Hemocyanin, Hemerythrin
7. Multiple Choice: The several types of white blood cells are sometime collectively referred to as:
, Science Bowl Questions Biology - 2
a) erythrocytes (pron: eh-rith-row-cites)
b) leukocytes (pron: lew-kah-cites)
c) erythroblasts (pron: eh-rith-rah-blast)
d) thrombocytes (pron: throm-bow-cites)
ANSWER: B -- leukocytes
8. Multiple Choice: The condition in which there is a DECREASE in the number of white blood cells in
humans is known as:
a) leukocytosis (pron: lew-kO-sigh-toe-sis)
b) leukopenia (pron: lew-kO-pea-nee-ah)
c) leukemia (pron: lew-kee-me-ah)
d) leukohyperia (pron: lew-kO-high-per-e-ah)
ANSWER: B -- leukopenia
9. Multiple Choice: The smallest of the FORMED elements of the blood are the:
a) white cells
b) red cells
c) platelets
d) erythrocytes
ANSWER: C – platelets
10. Multiple Choice: Which of the following statements concerning platelets is INCORRECT. Platelets:
a) contain DNA
b) are roughly disk-shaped
c) have little ability to synthesize proteins
d) are between 1/2 and 1/3 the diameter of the red cell
ANSWER: A -- contain DNA
11. Short Answer: What is the primary function of the platelets in huma blood? ANSWER: clotting or
blocking leaks from blood vessels
12. Multiple Choice: When a wound occurs in humans, the platelets in the blood activate a substance
which starts the clotting process. The substance which starts the clotting is:
a) adenosine (pron: ah-den-ah-seen)
b) histamine
c) lecithin (pron: less-ah-thin)
d) thrombin
ANSWER: D -- Thrombin
13. Multiple Choice: When looking at the cross section of the human tibia, one finds the RED marrow in
the:
a) medullary cavity
b) cancellous bone
c) periosteum
d) epiphysis
ANSWER: A -- medullary cavity
