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Biology 1st Quarter 2012 1 - 10
Test Description: Bio Q1 2012 1 - 10
Instructions: Answer all questions to get your test result.
1) The total magnification of a light microscope with an eyepiece magnification of 10X and an objective lens set on 40X is -
A
410X
B
4000X
C
400X
D
50X
2) Why do students place cover slips over slides ?
A
prevent the organism from moving
B
increase the magnification
C
prevent the slide from breaking
D
prevent the formation of air bubbles
3) Which unit represents a measure of liquid volume?
A
Gram/cm³
B
Gram
C
Milliliter
D
Millimeter
4) A belief based upon prior knowledge or experience is a/an -
A
inference
B
wild guess
C
observation
D
prediction
5) A student wants to determinme if sugar substitutes will have an effect on the fermentation process when making bread. What's the dependent variable in such an experiment?
A
height of the bread
B
temperature of the oven
C
time it takes to perform the experiment
D
type of sugar used
6) Tables, diagrams, and graphs are used by scientists primarily to -
A
design a research plan for an experiment.
B
recognize the dependent variables.
C
organize and manage data.
D
test the hypothesis.
7) Which of the following is always graphed on the y (vertical) axis?
A
the controlled variable
B
dependent variable
C
numbers
D
independent variable
8) Which is organelle of the cell stores DNA
A
vacuoles
B
nucleous
C
cytoplasm
9) Jenny put four squares of paper towel and soaked each in different soap. She wanted to see the effectiveness of antibacterial soap. What can she do to improve her experiment?
A
decrease the time the paper towl was allowed to sit in the soap and bacteria.
B
use larger petri dishes
C
use the same size squares of paper towl for each of the different soaps
D
use only one type of soap
10) What is the best way to justify a hypothesis?
A
repeated trials
B
use scientific literature
C
by choosing the correct experimental methodology
D
write a research proposal
*select an answer for all questions
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