Home
Class 12
BIOLOGY
In the primaeval Earth, the organic mole...

In the primaeval Earth, the organic molecules accumulated in ___ becaue their ____ was extremely slow in the absence of any life or enzymatic catalysis.

Text Solution

Verified by Experts

Water, degradation
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    MODERN PUBLICATION|Exercise QUICK MEMORY TEST ( B. COMPLETE THE MISSING LINKS )|16 Videos

  • EVOLUTION

    MODERN PUBLICATION|Exercise QUICK MEMORY TEST (CHOOSE THE CORRECT ALTERNATIVE )|10 Videos

  • EVOLUTION

    MODERN PUBLICATION|Exercise HOTS (HIGHER ORDER THINKING SKILLS & BRAIN TWISTING )(LONG ANSWER QUESTIONS )( FIVE MARKS EACH)|5 Videos

  • ECOSYSTEM

    MODERN PUBLICATION|Exercise Chapter Practice Test (Section - D) (Case - Based Short Answer Type Questions)|5 Videos

  • HUMAN HEALTH AND DISEASES

    MODERN PUBLICATION|Exercise Chapter Practice Test|2 Videos

Similar Questions

Explore conceptually related problems

In the life span of any organism, there is a cycle of

Write the names of at least three inorganic molecules which helped in the origin of life on the earth.

Life on earth is carbon based. Similar molecules could be formed with:

(a) What is this diagram representing? (b) Name the parts a, b and c. (c) In the eukaryotes the DNA molecules are organized within the nucleus. How is the DNA molecule organized in a bacterial cell in absence of a nucleus?

Study the diagrammatic representation of S.L. Miller's experiment given below and answer the questions that follow: (a) How did S.L. Miller create the conditions which existed before the origin of any life on Earth (b) Name the organic compound formed and collected at the end of his experiment. (c)Mention the kind of evolution is experiment supports

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

The earth would become so cold that life is not possible on it in the absence of the atmosphere. Explain why ?

Which hypothesis on the origin of life states thjat the proteins, lipids and other complex organic molecules are formed when energy from the sun and other sources causes chemical reactions among gases in earth's prehistoric atmosphere?

MODERN PUBLICATION-EVOLUTION-QUICK MEMORY TEST ( A SAY TRUE OF FALSE )
  1. Instantaneous speciation is done by hybridization followed by polyploi...

    Text Solution

    |

  2. Sickle cell anaemia represents the stabilizing selection.

    Text Solution

    |

  3. Common ancestry of man and chimpanzee is proved by chromosomal banding...

    Text Solution

    |

  4. Gibbon is the smallest ape while chimpanzee is the largest ape.

    Text Solution

    |

  5. Human evolution probably took place in Central Africa during Pleistoce...

    Text Solution

    |

  6. Australopithecus was discovered from the rocks of Australia.

    Text Solution

    |

  7. Peking man was discovered by W.C. Pei while Java man was discovered by...

    Text Solution

    |

  8. Neanderthal man had the largest sized cranial cavity.

    Text Solution

    |

  9. Analogous organs suggest divergent evolution.

    Text Solution

    |

  10. Lamarck's theory of evolution was based on inheritance of acquired cha...

    Text Solution

    |

  11. .................... Was a cold cloudy mass of cosmic dust and gases w...

    Text Solution

    |

  12. Biogenesis was first proposed by ..........

    Text Solution

    |

  13. The first oxygenic photosynthetic organisms were….............

    Text Solution

    |

  14. The most accepted theory of origin of life was proposed by .......and ...

    Text Solution

    |

  15. In the primaeval Earth, the organic molecules accumulated in becaue t...

    Text Solution

    |

  16. The first living organisms were presumably................. and hetero...

    Text Solution

    |

  17. Thorn of Bougainvillea is …........... to tendril of Passiflora.

    Text Solution

    |

  18. Connecting link between reptiles and mammals is …........................

    Text Solution

    |

  19. Table showing sequence and duration of six biogeographic realms is cal...

    Text Solution

    |

  20. ................... is the study of fossils.

    Text Solution

    |