12th Grade Origin Of Life Quizzes, Questions & Answers

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AP Bio Quiz Ch 20

The fact that no one knows how life began on earth is one of the primary unsolved questions of biology since life began on earth 4billion years ago. Test how well you understood the topic in AP class on history and origin of...

Questions: 8 | Attempts: 308 | Last updated: Mar 22, 2025

Sample Question 1
Which of the following kinds of molecules is thought to have been absent from the primitive reducing atmosphere?

Water vapor (H2O)

Carbon dioxide (CO2)

Hydrogen (H2)

Oxygen (O2)

Nitrogen (N2)

Sample Question 2
The person who performed an experiment that proved that amino acids could be produced in the laboratory from a reducing atmosphere and electrical sparks was

Stanley Miller.

Graham Cairns-Smith.

Thomas Cech.

Aleksander Oparin.

Sidney Fox.

Sample Question 3
Which statement is NOT true about the RNA-first hypothesis?

It is supported by the discovery that RNA can act as a catalyst.

It is supported by the fact that some viruses have RNA as their genetic material.

It suggests that there was an "RNA world" about 4 billion years ago.

It says that first RNA, then DNA, then proteins would have been necessary to interact in the chemical evolution that would have led to the development of the first cells.