Which sentence holds true for theory of biogenesis?

Who gave the Big-Bang theory that explained the origin of life ?

Primitive atmosphere of the earth was of type …………

What is the meaning of protobiogenesis?

What are the first form of life on the earth called ?

Which of the following is a landmark in the origin of life ?

The first chemicals formed on the earth were ………………. etc.

The unique feature of hot dilute soup is that there was no free ………………. in it.

On which plant did Hugo de Vries work during his experimentations?

Which one out of the following is a connecting link between fish and amphibian ?