The ‘RNA world’ hypothesis is supported mainly by the discovery that RNA can ____.
Correct answer A. both store genetic information and act as a catalyst
Topic / 45 questions
Evolution MCQs
Page 3 of Evolution multiple-choice questions with answers. Tap an option to check yourself.
Page 3 of 3
- Biological Molecules 74
- Coordination and Control 72
- Biology Diagnostic 70
- Cell Structure and Function 67
- Biotechnology 65
- Reproduction 58
- Bioenergetics 55
- Circulation 50
- Inheritance 48
- Digestion 45
- Immunity 45
- Support and Movement 45
- Acellular Life (Viruses) 45
- Homeostasis 45
- Respiration and Gaseous Exchange 45
- Evolution 45
- Enzymes 45
- Cell Cycle 41
- Chromosome and DNA 40
- Biology Introduction 38
- Ecosystem 27
Francesco Redi showed that maggots do not arise from rotting meat by ____.
Correct answer D. covering meat with gauze so flies could not lay eggs on it
Which experiment, using flasks with long S-shaped necks, disproved spontaneous generation of microorganisms?
Correct answer D. Pasteur's swan-neck flask experiment
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Oparin called the colloidal droplets of organic molecules that may have been precursors of the first cells by what name?
Correct answer D. Coacervates
The early atmosphere assumed in the Oparin-Haldane hypothesis is best described as ____.
Correct answer D. reducing, with little or no free oxygen