Question # 1

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

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Measure the amount of sodium in a few bean plants

Grow bean plants with and without sodium

Look for sodium in leaf tissues

Analyze root contents for sodium

A scientific theory has which of the following properties?

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It agrees with the available evidence

It cannot be rejected

It has been absolute proven

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

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

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Observations, Hypothesis, Law, Theory

Hypothesis, Observation, Deduction, Experimentation

Observations, Hypothesis, Deduction, Experimentation

Law, Theory, Deduction, Observation

Cinchona tree is also known as.

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Guina guina

Quina Quina

Both

None

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

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Used reasoning

Used observation

Constructed a theory

Tested a hypothesis

Which one of these in "not" a characteristic of hypothesis?

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Must be consistent with all available data

Must be testable

Must be correct

Must predictions

" Mosquitose are involved in the spread of malaria" was said by:

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Laverna

A.F.A King

Ronald Ross

Darwin

Who suggested that mosquitoes are involved in the transmission of malaria?

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Laveran

Ronald Ross

A.F.A king

None of these

____________ is probably one of the oldest disease known to mankind.

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Polio

T,B

Hepatitis

Malaria

Quantitative observations are considered more accurate than qualitative observation because quantitative are

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Invariable

Measurable

Recorded in terms of numbers

All of these

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

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While talking observations

During hypothesis formulation

During data organization

None of these

Bark of quina - quina was imported form:

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Europe

America

Sapin

India

Scientific law is interchangeable with :

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Hypothesis

Theory

Deduction

Observation

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