Theory, Law and Principle in Pashto by Sabar Khan | 9 class biology Chapter 2 Solving a biol. problm скачать в хорошем качестве

Theory, Law and Principle in Pashto by Sabar Khan | 9 class biology Chapter 2 Solving a biol. problm

In this lecture we will discuss about the hypothesis, theory and law or principle. Hypothesis: A possible answer to a problem is called hypothesis. It is based upon observations and it may be true or false. If it is true, then accepted otherwise it is rejected. Theory: When a hypothesis is proved by many experiments by many scientists and it remains for a long time, it is called theory. Example ___ cell theory. Law or principle: When a theory is proved worldwide again and again and remains for more than 100 years, it is called law or principle. Law and principle is the constant fact of nature. Examples Hardy weinberg law and Mendel laws of inheritance The above main difference in theory, law and principle has been explained by Sabar khan in pashto language with detail. Key terms Hypothesis Theory Law Principle Difference Comparison #theorylawandprinciple #sabarkhanlectures #biologyinpashto