GCSE - Gcse Biology - Unit 4 - Causal Or Association Relationship Of Variables Solution - MCQGeeks.com

Q.1.

Directly proportional means that...

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as X increases, Y increases in proportion giving a straight line graph
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as X increases, Y decreases
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as X increases, Y increases a small amount
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As X increases, Y increases greatly

Q.2.

What is the dependent variable in the prediction " ?

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pH
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Decrease
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Increase
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Number of bubbles

Q.3.

What is an independent variable in a scientific experiment?

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A factor which never changes
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A factor which changes
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A factor whose values are changed or selected by the investigator
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A factor which must always be kept the same

Q.4.

Causal implies that...

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X caused Y to increase
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An unknown factor caused Y to increase
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Z was involved
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Other factors were involved

Q.5.

How many different types of variables are there?

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One
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Two
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Three
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Four

Q.6.

As X increases, Y increases demonstrates a...

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negative correlation
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positive correlation
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causal relationship
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association relationship

Q.7.

The dependent variable is...

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the factor we change
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the factor we control
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the factor we measure
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the X factor

Q.8.

An association is not the same thing as a causal relationship because...

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causal means one thing has definitely influenced the outcome
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causal means other factors could have caused the outcome
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association means they are connected by lots of factors
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association is not relevant

Q.9.

The key independent variable is...

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the factor we change
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the factor we keep the same
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the factor we measure
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the factor we ignore

Q.10.

Which is the key independent variable of the hypothesis " "?

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Collisions
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Number of bubbles
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Rate
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Temperature