‘Your system will restart automatically after installation’ is an example of

ABO blood group system is an example of

Fraunhofer line of the solar system is an example of

Who said that, "if a child will not learn before he is capable to learn, then why bother, and if a child will learn automatically after he has the capability to learn, then why bother"?

Which of the following is an example of open system?

Which of the following is an example of closed system?

What is the binomial system of nomenclature? Explain with an example.

It is commonly believed that bad cold takes seven days to subside automatically. After taking medicine, it takes 7 days to cure. Comment.