Question # 1

The hypotheses, which are often tested and never rejected become

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Laws

Principles

Theories

Results

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

Five senses are involved in:

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Hypothesis

Observations

Deduction

Experiment

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

In man Plasmodium multiplies in the

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Wall of stomach

Blood

Skin

Kidney

Which of the followings is the symptom of malaria?

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Chills

Fevers

Recurring attacks

All

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

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Must be consistent with all available data

Must be testable

Must be correct

Must make predictions

Scientific law is interchangeable with :

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Hypothesis

Theory

Deduction

Observation

Plasmodium was first seen by:

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Ross

A.F.A.King

Laveran

None

The bark of ____________ tree was the cure for malaria.

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Deodar

Cendar

Cinchona

None

Data may consist by :

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Number

Words

Images

All

Who performed experiments on sparrow?

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Ross

A.F.A.King

Laveran

None

Ronald Ross was a ____________ army physician.

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British

American

German

Chinese

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

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Some observations could prove that hypothesis is incorect

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

The hypothesis is proven wrong

The opposite of hypothesis is tested and proven worng

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Biology 9th Class English Medium Chapter 2 Online Test MCQs With Answers

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