Home
Class 10
BIOLOGY
The gas which was absent in the environm...

The gas which was absent in the environment during the origin of life is

A

Hydrogen

B

Oxygen

C

Methane

D

Ammonia

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2017

    JNAN PUBLICATION|Exercise EXAMPLE|45 Videos

  • HEREDITY AND COMMON GENETIC DISEASES

    JNAN PUBLICATION|Exercise EXAMPLE|60 Videos

Similar Questions

Explore conceptually related problems

Which is absent in Leech

Which is absent in RBC ?

Which is absent in Frog

Which is absent in bacteria

The important gas which was absent during the origin of life on Earth:

which is absent in arthropoda ?

Which is absent in Amoeba ?

Which is absent in virus ?

First element produced for the origin of life was -

Modern theory of origin of life includes

JNAN PUBLICATION-SAMPLE PAPER 2017-EXAMPLE
  1. The gas which was absent in the environment during the origin of life ...

    Text Solution

    |

  2. The process of necessary adjustment of focal length of the lens in hum...

    Text Solution

    |

  3. Adenine is a type of nitrogenous base.

    Text Solution

    |

  4. is a disease created by sex-linked gene.

    Text Solution

    |

  5. The earliest ancestor in the evolutionof horse is.

    Text Solution

    |

  6. A flammable greenhouse gas produced from paddy filed is.

    Text Solution

    |

  7. is a biosphere reserve located in West Bengal.

    Text Solution

    |

  8. state 2 functions of plant stem

    Text Solution

    |

  9. Decide whether the following statement is true or false. Ovum is only ...

    Text Solution

    |

  10. Self-pollination or cross-pollination can be exercised in flowers of p...

    Text Solution

    |

  11. what is importance of vitamin A

    Text Solution

    |

  12. Degradable pollutant is responsible for biomagnification.

    Text Solution

    |

  13. Flagella is the locomotory organ of paramoecium.

    Text Solution

    |

  14. Choose the odd one and write it:TSH,ACTH,GTH,CSF.

    Text Solution

    |

  15. Write one function of myelin sheath.

    Text Solution

    |

  16. Give an example of a variation found among healthy persons which is tr...

    Text Solution

    |

  17. Which type of chromosome in human carries gene responsible for the di...

    Text Solution

    |

  18. Mention one morphological adaptation of cactus to prevent transpiratio...

    Text Solution

    |

  19. Among the following four terms one includes the other three. Find out ...

    Text Solution

    |

  20. Write the name of the cause of the latest concern regarding the enviro...

    Text Solution

    |

  21. Write two differences between tropic and nastic movement.

    Text Solution

    |