CTET 2 Math and Science Jan 2021 Paper

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Question : 64 of 150

Marks: +1, -0

From the following, identify the statement that is true about science.

When a theory has been supported by a great deal of scientific evidence, it becomes law.
In time, science will be able to solve most of society's problems.
Scientists rely heavily on imagination to carry out their work.
All scientific ideas are discovered and tested by controlled experiments.

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