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The first organism were...

The first organism were

A

chemoautotrophs

B

Chemoheterotrophs

C

Autotrophs

D

Eucaryotes

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The correct Answer is:
B
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DINESH PUBLICATION ENGLISH-ORIGIN OF LIFE -All Questions
  1. Earth originated in the past period of about

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  2. Which was not present freely in the early atmosphere of the earth?

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  3. The first organism were

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  4. Planet nearest to sun is

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  5. The most primitive cell-like chemical aggegates capables of growth and...

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  6. The Russian scientist who proposed the theory of origin of life was

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  7. Under certain conditions, scientists have got cell-like structures but...

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  8. Ozone layer is important as it

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  9. Organic compounds first evolved on earth and required for origin of li...

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  10. choose the correct sequence during formation of chemicals on early ear...

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  11. First photosynthetic organisms to appear on earth were

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  12. Oparin's theory about "Origin of life" is based upon the idea of

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  13. For testing Oparin's hypothesis Stanley Miller and Harold Urey used H2...

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  14. Who said that organisms develop from pre-existing organisms?

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  15. Coacervates are

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  16. Life cannot originate from inorganic materials at present because of

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  17. Who demonstrated that life comes from life with the help of flask with...

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  18. Most advanced theory of origin of life is that of

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  19. One of the possible early sources of energy was/were

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  20. Swan-necked flask experiment related to theory of biogenesis was perfo...

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