Solving a Biological Problem

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Solving a Biological Problem

CE

Chief Editor

Feb 12, 2023

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Which one of the following is a correct sequence in the biological method?

Difficulty: Medium

A:

Observations, Hypothesis, Law, Theory

B:

Hypothesis, Observations, Deduction, Experimentation

C:

Observations, Hypothesis, Deduction, Experimentation

D:

Law, Theory, Deduction, Observations

Which one of these is NOT a characteristic of a hypothesis?

Difficulty: Easy

A:

Must be consistent with all available data

B:

Must be testable

C:

Must be correct

D:

Must make predictions

At which point is a biologist most likely to use deductive reasoning?

Difficulty: Medium

A:

White taking observations

B:

During hypothesis formulation

C:

During data organization

D:

None of the above

A hypothesis must be testable to be scientifically valid. Being testable means that.

Difficulty: Medium

A:

Some observation could prove the hypothesis incorrect

B:

Only a controlled experiment can indicate whether the hypothesis is correct or incorrect

C:

The hypothesis has been proven wrong

D:

There must be several options in the hypothesis to choose from, one of which is correct

What would be the best experimental design for testing a hypothesis that bean plants require sodium?

Difficulty: Medium

A:

Measure the amount of sodium in a few bean plants

B:

Grow bean plants with and without sodium

C:

Look for sodium in leaf tissues

D:

Analyze root contents for sodium

A scientific theory has which of the following properties?

Difficulty: Medium

A:

It agrees with available evidence

B:

It cannot be rejected

C:

It has been absolutely proven

D:

It does not need to be altered in the light of new evidence

A gardener sees a large snake nearby. He knows that generally snakes sting, so the gardener ran away. The gardener did which of the following?

Difficulty: Easy

A:

Used inductive reasoning

B:

Used deductive reasoning

C:

Constructed a theory

D:

Tested a hypothesis

Experimentation is only a step of the scientific process, but it is a very important step because it always

Difficulty: Medium

A:

Gives the biologist a correct result

B:

Allows rejection of some alternative hypotheses

C:

Ensures that hypotheses can be confirmed with certainty

D:

Gives scientists a chance to work in the laboratory

Deductive reasoning;

Difficulty: Easy

A:

Is always correct

B:

Uses specific observations to draw more general conclusions

C:

Is not applied in biological method

D:

Uses general observations to predict specific conclusions

You are testing a hypothesis; "students learn more if They drink tea before sitting to study". Your 20 experimental students drink tea before studying; you test their learning by giving questions. Your 20 students in the control group should have all experimental conditions identical to the experimental group EXCEPT that;

Difficulty: Hard

A:

They should take tea with more milk and sugar

B:

They should take tea before as well as during study

C:

They should not take tea before studying

D:

They should not sit for studying

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