Home
Class 12
BIOLOGY
After about how many years of formation ...

After about how many years of formation of earth,life appeared on this planet?

A

50 million years

B

500 million years

C

50 billion years

D

500 billion years

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    PHYSICS WALLAH|Exercise Level- 2|30 Videos

  • ENVIRONMENTAL ISSUES

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUESTIONS |40 Videos

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    PHYSICS WALLAH|Exercise NEET Past 10 Years Questions|24 Videos

Similar Questions

Explore conceptually related problems

The first cellular forms of life appeared on earth about

First cellular form of life on earth appeared

The half-life of radium is 1500 years. After how many years will one gram of the pure radium (i) reduce to one centigram ? (ii) lose one milligram ?

Rahul is 5 years old his fathers age is 31 years After how many years will his father's age be 3 times of his age?

Assertion: Life appeared 500 million years after the formation of earth. Reason : There was no atmpshere on early earth.

The half life of radium is 1500 years. After how many years will one gram of pure radium (i) reduce to 1 centigram? (ii) lose one milligram?

Half-life of radium is 1,620 years. After how many years 0.75 mg of radium will be disintegrated out of its initial mass of 1 mg.

PHYSICS WALLAH-EVOLUTION-NEET Past 10 Years Questions
  1. Embryological support for evolution was disapproved by:

    Text Solution

    |

  2. From his experiments, SL Miller produced amino acid by mixing the foll...

    Text Solution

    |

  3. After about how many years of formation of earth,life appeared on this...

    Text Solution

    |

  4. Embryological support for evolution was proposed by:

    Text Solution

    |

  5. A Hominid fossil discovered in Java in 1891, now, extinct, having carn...

    Text Solution

    |

  6. The phenomenon of evolution of different species in a given geographic...

    Text Solution

    |

  7. A gene locus has two alleles A and a. If the frequency of dominant all...

    Text Solution

    |

  8. Variations caused by mutation, as proposed by Hugo de Vries are

    Text Solution

    |

  9. In a species, the weight of newborn ranges form 2 to 5 kg. 97% of the ...

    Text Solution

    |

  10. Match the hominids with their correct brain size

    Text Solution

    |

  11. The similarity of bone structure in the forelimbs of many vertebrates ...

    Text Solution

    |

  12. Among the following sets of examples for divergent evolution, select t...

    Text Solution

    |

  13. According to Hugo de Vries, the mechanism of evolution is:

    Text Solution

    |

  14. Artificial selection to obtain cows yielding higher milk output repres...

    Text Solution

    |

  15. Continental drift led to disappearance of a number of South American m...

    Text Solution

    |

  16. Flippers of Penguins and Dolphins are examples of:

    Text Solution

    |

  17. Which of the following is the correct sequence of events in the origin...

    Text Solution

    |

  18. The chronological order of human evolution from early to the recent is...

    Text Solution

    |

  19. In Hardy-Weinberg equation, the frequency of heterozygous individual i...

    Text Solution

    |

  20. Genetic drift operates in:

    Text Solution

    |