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BSCS Biology Review 2
Test Description: This quiz is a comprehensive review of the BSCS curriculum discussed during freshmen year biology.
Instructions: Answer all questions to get your test result.
1) The control center of the cell is the
A
cell membrane
B
nucleus
C
endoplasmic reticulum
D
cytoplasm
2) Osmosis is
A
the simple diffusion of fluids such as water
B
the means for nutrients to cross cell barriers
C
the process of active transport
D
the way cells use energy to dispose of wastes
3) In diffusion, random motion of molecules tends to move the molecules from where they are
A
highly concentrated to where they are less concentrated
B
highly concentrated to where they are needed
C
first used for food to where they are eliminated as waste
D
less concentrated to where they are more highly concentrated
4) What is the functioning unit of the kidney?
A
collecting tubule
B
alveolus
C
glomerulus
D
nephron
5) What is NOT a function of the human kidney?
A
to produce CO2
B
to reabsorb water and excrete salt
C
to make adjustments in blood composition
D
to remove wastes
6) What is one of the body's responses when the blood temperature goes below 37 degrees Celsius?
A
greater blood flow to the skin
B
increased production of sweat
C
contraction of surface blood vessels
D
dilation of blood vessels to arms and legs
7) Which is the most acidic?
A
blood plasma from human (7.5)
B
distilled water (6.0)
C
fresh water from a lake (6.8)
D
sea water (8.2)
8) Hemoglobin is essential to blood because it combines readily with
A
thrombin
B
nutrients
C
oxygen
D
urea
9) Which is involved in human body temperature regulation?
A
all of these
B
sweating
C
shivering
D
dilation and constriction of blood vessels in the skin
10) In humans, air is drawn into and pumped out of the lungs by movements of the
A
trachea and larynx
B
lung muscles and trachea
C
arms and shoulders
D
rib muscles and diaphragm
*select an answer for all questions
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