WorksheetsBIO111 Test 1
Total questions: 18
Worksheet time: 6mins
Name
Class
Date
1.
Which is not a characteristic of life?
a)
evoluiton
b)
homeostasis
c)
motility
d)
energy use
2.
Which is a correct scientific name?
a)
Ursus maritimus
b)
U. martimus
c)
Ursus maritimus
d)
Ursus m.
3.
Which of these is not a step in the scientific process?
a)
Hypothesis
b)
Make up data
c)
Observation
d)
Experiment
4.
A measured element of an experiment that is induced by the process.
a)
placebo
b)
independent variable
c)
dependent variable
d)
control
5.
The smallest particle of matter that has the properties of an element:
a)
electron
b)
atom
c)
neutron
d)
molecule
6.
An atom that donates an electron to another atom becomes a
a)
isotope
b)
molecule
c)
neutron
d)
ion
7.
Which is not a type of bond between atoms or molecule?
a)
neutral
b)
hydrogen
c)
ionic
d)
covalent
8.
The pH of a solution is 4.2. This solution is
a)
basic
b)
acidic
c)
alkaline
d)
neutral
9.
To prevent large changes in pH, there are ___________ in human blood.
a)
neutrons
b)
hydroxide ions
c)
buffers
d)
salts
10.
Which of the following are not monomers of biological macromolecules?
a)
nucleotides
b)
amino acids
c)
cholesterol
d)
monosaccharides
11.
Which type of lipid is liquid at room temperature
a)
unsaturated fats
b)
trans fats
c)
saturated fats
d)
phospholipids
12.
Monomers are built into polymers through what kind of reaction?
a)
hydrolysis
b)
dehydration synthesis
c)
ligation
d)
fusion
13.
Animal cells contain all of the following except
a)
centrioles
b)
Cell Wall
c)
Golgi apparatus
d)
ribosomes
14.
The nucleus
a)
contains the nucleolus
b)
is not present in prokaryotes
c)
is surrounded by a double membrane
d)
all of the above
15.
ATP
a)
can couple endogonic and exogonic reactions
b)
contains a nucleotide
c)
is cellular energy
d)
all of the above
16.
Enzymes are sensitive to high heat becuase
a)
heat acts as a competitive inhibitor.
b)
they denature.
c)
the activation energy is met.
d)
heat lowers the concentration of substrate.
17.
During osmosis, water moves from a _________ envirnment to a ________ environment.
a)
hypertonic; hypotonic
b)
hypotonic; hypertonic
c)
hypotonic; isotonic
d)
isotonic; hypertonic
18.
A competitive inhibitor affects enzyme function by...
a)
increasing the pH
b)
denaturing the protein
c)
changing substrate concentration
d)
binding to the active site
100 %
