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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
nucleus
B
cytoplasm
C
cell membrane
D
endoplasmic reticulum
2) Osmosis is
A
the simple diffusion of fluids such as water
B
the way cells use energy to dispose of wastes
C
the process of active transport
D
the means for nutrients to cross cell barriers
3) In diffusion, random motion of molecules tends to move the molecules from where they are
A
highly concentrated to where they are needed
B
less concentrated to where they are more highly concentrated
C
highly concentrated to where they are less concentrated
D
first used for food to where they are eliminated as waste
4) What is the functioning unit of the kidney?
A
collecting tubule
B
nephron
C
alveolus
D
glomerulus
5) What is NOT a function of the human kidney?
A
to make adjustments in blood composition
B
to produce CO2
C
to remove wastes
D
to reabsorb water and excrete salt
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
dilation of blood vessels to arms and legs
D
contraction of surface blood vessels
7) Which is the most acidic?
A
blood plasma from human (7.5)
B
fresh water from a lake (6.8)
C
distilled water (6.0)
D
sea water (8.2)
8) Hemoglobin is essential to blood because it combines readily with
A
thrombin
B
urea
C
oxygen
D
nutrients
9) Which is involved in human body temperature regulation?
A
dilation and constriction of blood vessels in the skin
B
all of these
C
sweating
D
shivering
10) In humans, air is drawn into and pumped out of the lungs by movements of the
A
rib muscles and diaphragm
B
trachea and larynx
C
arms and shoulders
D
lung muscles and trachea
*select an answer for all questions
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