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Daphnia Quiz
Test Description: Quiz to evaluate skills and knowledge from daphnia inquiry lab
Instructions: Answer all questions to get your test result.
1) what is the name of the organism we are studying?
A
rotifer
B
paramecium
C
flea
D
daphnia
2) what organ is on the back of the organism and contracts very fast?
A
brain
B
heart
C
eye
D
intestine
3) what does LD50 stand for?
A
loco death of 50% of the population
B
lethal dose where 50 grams of the chemical kills
C
low dose of 50% of the sample
D
lethal dose where 50% of the experimental population dies
4) how do you make a 1% solution of alcohol for the experiment?
A
5mL of alcohol, 1 mL of water
B
99 drops of alcohol, one drop of water
C
5mL of water 1 mL of alcohol
D
99 drops of water, 1 drop of alcohol
5) when measuring heart rate in daphnia, for how much time you count the beats?
A
15 seconds
B
25 seconds
C
10 seconds
D
60 seconds
6) alcohol causes the heart rate to ?
A
decrease
B
increase
C
makes it stronger
D
no change
7) where did we collected the specimens?
A
a lake
B
the seasonal pond outside the school
C
the ocean
D
flash flood
8) what safety equipment did we use?
A
safety shower
B
gloves
C
lab apron
D
goggles
9) how many trials did you do for each treatment?
A
1 trial
B
30 trials
C
10 eowiieew
D
3 trials
10) jnoik\'
A
jihbi
B
ihbihb
C
ihbihb
D
jnojn;
*select an answer for all questions
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