Question 1

The first form of life is believed to have appeared some billion years ago. When did the early life forms of life exist?

Accepted Answer

3.5 billion years ago

Answer

4.6 billion years ago

Answer

1.5 billion years ago

Answer

2.5 billion years ago

Question 2

There is evidence that life has evolved billion years ago. Where is the first form of life seen?

Accepted Answer

Microfossils

Answer

Sediments

Answer

Layers of rocks

Answer

Oceanic crusts

Question 3

The following components were used by Jack Szostak to produce protocells. Which of the DOES NOT belong to the group?

Accepted Answer

DNA

Answer

Lipid sacs

Answer

RNA

Answer

Nucleic acid genome

Question 4

Which of the following processes brought changes in the early atmosphere?

Accepted Answer

Photosynthesis

Answer

Weathering

Answer

Volcanic eruption

Answer

Earthquake

Question 5

Sidney Fox demonstrated thermal synthesis. What was the product of his experiment using a mixture of dry amino acids?

Accepted Answer

Protenoid microspheres

Answer

Amino acids

Answer

Lipid sacs

Answer

Nucleic acid genome

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