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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
paramecium
B
daphnia
C
rotifer
D
flea
2) what organ is on the back of the organism and contracts very fast?
A
intestine
B
eye
C
heart
D
brain
3) what does LD50 stand for?
A
low dose of 50% of the sample
B
loco death of 50% of the population
C
lethal dose where 50% of the experimental population dies
D
lethal dose where 50 grams of the chemical kills
4) how do you make a 1% solution of alcohol for the experiment?
A
99 drops of alcohol, one drop of water
B
5mL of alcohol, 1 mL of water
C
99 drops of water, 1 drop of alcohol
D
5mL of water 1 mL of alcohol
5) when measuring heart rate in daphnia, for how much time you count the beats?
A
25 seconds
B
60 seconds
C
15 seconds
D
10 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
flash flood
C
the seasonal pond outside the school
D
the ocean
8) what safety equipment did we use?
A
gloves
B
lab apron
C
safety shower
D
goggles
9) how many trials did you do for each treatment?
A
10 eowiieew
B
3 trials
C
1 trial
D
30 trials
10) jnoik\'
A
jnojn;
B
ihbihb
C
jihbi
D
ihbihb
*select an answer for all questions
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