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WorksheetsSolving a biological problem
Total questions: 12
Worksheet time: 13mins
Which of the following is the correct sequence in biological method of study?
Observation → Hypothesis → Deduction → Experimentation → Theory → Law
Observation → Deduction → Hypothesis → Experimentation → Theory → Law
Observation → Hypothesis → Experimentation → Deduction → Law → Theory
Observation → Hypothesis → Deduction → Experimentation → Law → Theory
What would be the best experimental design for testing a hypothesis that bean plants require sodium?
Measure the amount of sodium in few plants
Look for sodium in leaf tissues
Analyze root contents for sodium
Grow bean plants with and without sodium
A ---------------- is supported by a great deal of evidence.
Hypothesis
Theory
Law
Principle
Which one of these is NOT a characteristic of a hypothesis?
Must be consistent with all available data
Must be testable
Must be correct
Must make predictions
At which point is a biologist most likely to use reasoning?
While taking observation
During hypothesis formulation
During data organization
During deduction
Which one of the following mosquito which transmits dengue fever.
Anopheles
Culex
Aedes
Culiseta
A gardener sees a large snake nearby. He know that generally snakes sting, so the gardener ran away. The gardener did which of the following?
Used reasoning
Used observation
Constructed a theory
Tested a hypothesis
A scientific theory has which of the following properties?
It agrees with available evidence
It cannot be rejected
It has been absolutely proven
It does not need to be altered in the light of new evidence
Experimentation is only a step of the scientific process, but it is very important step because it always __________.
Gives a biologist a correct result
Allows rejection of some alternative hypotheses
Ensures that hypothesis can be confirmed with certainty
Gives scientists a chance to work in the laboratory
You are testing a hypothesis. "Students learn more if they drink tea before sitting for study". Your 20 experimental students drink tea before study; you test their learning by giving questions. Your 20 students of the control group should have all experimental conditions identical to the experimental group EXCEPT that;
They should take tea with more milk and sugar
They should take tea before as well as during study
They should not take tea before study
After taking tea, they should not sit for study
Unicellular organism that causes malaria in mammals and birds etc
Plasmodium
Anopheles
Culex
Aedes
Which of the following scientist examined plasmodium in blood from malarial patient?
A.F.A. King
Laveran
Ronald Ross
Grassi
