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

The prebiotic atmosphere of the earth was............

A

aerobic

B

anaerobic

C

partially aerobic

D

without any gas

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ORIGIN AND EVOLUTION OF LIFE

    CHETANA PUBLICATION|Exercise Exercise|66 Videos
  • Organisms and Populatoins

    CHETANA PUBLICATION|Exercise EXERCISE|48 Videos
  • PLANT GROWTH AND MINERAL NUTRITION

    CHETANA PUBLICATION|Exercise Exercise|94 Videos

Similar Questions

Explore conceptually related problems

The atmosphere is held to the earth by

In spite of lack of free oxygen in primitive atomosphere of the earth how present atmosphere contain free oxygen?

The outermost layer of the earth's atmosphere is........

Due to low atmospheric prssure the rate of transpiration will..............

The atmospheric pressure on the earth's surface is P in M.K.S. units. A table of area 2 m^2 is tilled at 45@ with the horizontal. The force on the table due to the atmosphere is (stressxarea).

What is atmospheric pressure of air?

State the relation between 1 atmosphere and the pascal.

The rotation period of an earth satellite close to the surface of the earth is 83 minutes. The time period of another earth satellite in an orbit at a distance of three earth radii from its surface will be

What is atmospheric pressure ?

CHETANA PUBLICATION-ORIGIN AND EVOLUTION OF LIFE -Exercise
  1. The first form of life on earth consisting of nucleic acid along with ...

    Text Solution

    |

  2. Name the island where Darwin visited while formulating the theory of N...

    Text Solution

    |

  3. The prebiotic atmosphere of the earth was............

    Text Solution

    |

  4. The sum total of genes present in all individuals of interbreeding or ...

    Text Solution

    |

  5. Which of the following theory states that, the life originated on the ...

    Text Solution

    |

  6. The struggle between organisms of different species is called............

    Text Solution

    |

  7. Recently an almost complete lower jaw of a Dryopithecus has been obtai...

    Text Solution

    |

  8. The cranial capacity of Cro-Magnon man was about...........

    Text Solution

    |

  9. The phenomenon of industrial melanism demonstrates-

    Text Solution

    |

  10. The theory of natural selection was proposed by .

    Text Solution

    |

  11. Mutation theory was proposed by which scientist?

    Text Solution

    |

  12. Name of ship by which Darwin travelled during his famous voyages.

    Text Solution

    |

  13. On which plant did Hugo de Vries work during his experimentations?

    Text Solution

    |

  14. The struggle between the organisms of same species is called : ..........

    Text Solution

    |

  15. ...................... is defined as a connecting link between amphibi...

    Text Solution

    |

  16. ........... is a missing link between fish and amphibian.

    Text Solution

    |

  17. Find the odd one out:....................

    Text Solution

    |

  18. Find the odd one out ....................

    Text Solution

    |

  19. Those organs which are structurally similar but functionally dissimila...

    Text Solution

    |

  20. Those organs which are functionless are known as:

    Text Solution

    |