Home
Class 12
BIOLOGY
The prebiotic atmosphere of the earth wa...

The prebiotic atmosphere of the earth was of a reducing nature. It was transformed into an oxidizing atmosphere of present day due to the emergence of

A

cyanobacteria

B

angiosperms

C

photosynthetic bacteria

D

eukaryotic algae

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    AAKASH SERIES|Exercise EXERCISE - I (EVIDENCES FOR EVOLUTION)|28 Videos
  • EVOLUTION

    AAKASH SERIES|Exercise EXERCISE - I (ADAPTIVE RADIATION )|18 Videos
  • DIGESTION AND ABSORPTION

    AAKASH SERIES|Exercise Exercise - III (Previous AIPMT/NEET Questions)|24 Videos
  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    AAKASH SERIES|Exercise EXERCISE - III (PREVIOUS AIPMT/NEET QUESTIONS)|18 Videos

Similar Questions

Explore conceptually related problems

The atmosphere of primitive earth was

The atmosphere is held to the earth by

Atmosphere of primordial earth lacked

The presence of nitrogen in the atmosphere is maintained due to –

The chemical entities present in thermosphere of the atmosphere are

The element that is abundantly present in atmosphere is

AAKASH SERIES-EVOLUTION-EXERCISE - III( PREVIOUS AIPMT/NEET QUESTIONS)
  1. The prebiotic atmosphere of the earth was of a reducing nature. It was...

    Text Solution

    |

  2. Artifical selection to obtain cows yielding higher milk output repres...

    Text Solution

    |

  3. Which of the following represents order of horse ?

    Text Solution

    |

  4. Analogous structure are a result of (2016 - 1)

    Text Solution

    |

  5. Which of the folloiwng structures is homologus to the wing of a bi...

    Text Solution

    |

  6. Following are the two statements regarding the origin of life . Th...

    Text Solution

    |

  7. Select the wrong statement :

    Text Solution

    |

  8. The wings of a bird and the wings of an insect are

    Text Solution

    |

  9. Industrial melansim in an example of :

    Text Solution

    |

  10. Which of the following has the smallest brain capacity ?

    Text Solution

    |

  11. Which one of the following in analogous structures ?

    Text Solution

    |

  12. Forelimbs of cat , Lizard used in walking , fore limbs of whale used ...

    Text Solution

    |

  13. According to Darwin , the organic evolution is due to.

    Text Solution

    |

  14. Variations in gene frequecies within populations can occur by chance ...

    Text Solution

    |

  15. The process by which organisms with different evolutionary history evo...

    Text Solution

    |

  16. The eye of octopus and eye of cat show different patterns of of stru...

    Text Solution

    |

  17. The extinct human who lived 1,00,000 to 40,000 years ago , in Eurpose...

    Text Solution

    |

  18. What was the most significant trend in the evolution of modern man ...

    Text Solution

    |

  19. Evolution of different species in a given area starting from a poi...

    Text Solution

    |

  20. Which one of the following options gives one correct example each ...

    Text Solution

    |

  21. What was the most significant trend in the evolution of modern man ...

    Text Solution

    |