MCQs of Biology – Evolution of Prokaryotes

Most of the history of life concerns the evolution of:

A prokaryotic cell lacks:

Which type of respiration probably arose first?

The metabolism of living prokaryotes provides important insights into the chemical processes used by early organisms because:

Which of these is the chief reason that the protocell was probably a fermenter?

Which of the following statement is true?

The oldest fossil cells resemble:

Oxygen producing photosynthetic bacteria is believed to have originated some:

Which was first photosynthetic organism?

The oldest known fossils are from rock that is:

The oldest known fossil cells are about the size of:

The earliest prokaryotes must have been: