Protocells are considered a key step in the origin of life. Which of the following is NOT a characteristic typically associated with protocells?
Membrane-bound compartments
Simple metabolic activity
Ability to undergo fission
Developed DNA replication mechanisms
Related Questions
Creation of new taxa is focussed in
Macro-evolution
Theory of special creation
Sympatric speciation
Theory of pangenesis
Which group of organisms is believed to be evolved first on earth?
Arthropods
Coelenterates
Protozoans
Reptiles
Choose the incorrect option w.r.t. origin and evolution of life
Early Earth's atmosphere was reducing.
Early Earth's atmosphere was oxidizing.
Organic molecules can form spontaneously under reducing conditions.
The presence of free oxygen would have hindered the formation of organic molecules.
Given below some major events in the early history of life
I. First heterotrophic prokaryotes
II. First eukaryotes
III. First autotrophic prokaryotes
IV. First animals
Choose the correct sequence of these evolutionary events
IV, III, II, I
I, III, II, IV
I, II, III, IV
IV, I, II, III
Origin of life as a result of chemical evolution was properly explained by
I. Fox II. Oparin
III. Wateson IV. Haeckel
V. Mendel VI. Crick
Choose the correct option
I and II
III and IV
V and VI
Only II
The concept that the species have changed over long period of time is known as
Ecology
Embryology
Spontaneous generation
Organic evolution
The concept that the species have changed over a long period of time is know as
Ecosystem
Spontaneous generation
Organic evolution
Genetic recombination
Life cannot originate from inorganic material on present earth, because of
High environmental pollution
Very low atmospheric temperature
Large amount of in atmosphere
Absence of appropriate materials
The evolution of which metabolic process significantly altered Earth's atmospheric composition?
Chemosynthesis
Fermentation
Photosynthesis
Respiration
Experimental evidence of chemical evolution was given by
Miller
Haldane
Oparin
All of the above
