Earth originated approximately
4500 million years ago
3600 million years ago
Between 1600-2600 million years ago
2.5 million years ago
Related Questions
Theory of special creation arguments that: I. all living organisms were created as such, II. the diversity was always the same since creation, III. earth is 4000 years old. Choose the right option to complete the given statement
I and II
II and III
I and III
I, II and III
Which of the following was NOT a necessary step in the origin of life?
Synthesis of organic monomers
Formation of protobionts
Development of photosynthesis
Formation of DNA-based genetic systems
Swan-necked flask experiment proved
Biogenesis
Abiogenesis
Gene therapy
Both (a) and (b)
Which units are used to measure the stellar distances
Metres
Light years
Which of the following was formed in S Miller’s experiment?
Amino acids
Nucleic acids
UV radiations
Microspheres
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
The Miller-Urey experiment provided evidence for which stage in the origin of life?
Synthesis of organic monomers
Synthesis of organic polymers
Formation of protobionts
Formation of DNA-based genetic systems
Which is still a favourite idea for some astronomers
Spores
Panspermia
Gamets
Sperms
Urey –Miller’s experiment mixture had the following except
Methane
Hydrogen
Water vapour
Which of the following molecules falls under the category of eobionts?
I. Coacervates II. Microspheres
I only
II only
Both I and II
Neither I nor II
