Which one of the following is a correct sequence in the biological method?
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?
A:
Must be consistent with all available data
At which point is a biologist most likely to use deductive reasoning?
A:
White taking observations
B:
During hypothesis formulation
A hypothesis must be testable to be scientifically valid. Being testable means that.
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?
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?
A:
It agrees with available evidence
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?
Experimentation is only a step of the scientific process, but it is a very important step because it always
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
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;
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
