Home
Class 12
BIOLOGY
Following are the two statements regardi...

Following are the two statements regarding the origin of life :
A.`" "` The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
B.`" "` The first autotrophic organisms were the chemoautotrophs that never relesed oxygen.
Of the above statements which one of the following options is correct ?

A

(A) is correct but (B) is false

B

(B) is correct but (A) is false

C

Both (A) & (B) are correct

D

Both (A) & (B) are false

Text Solution

Verified by Experts

The correct Answer is:
C
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

Following are the statements regarding the origin of life (A) The earliest organisms that appeared on the earth were non-green and presumably anaerobes (B) The first autotrophic organisms were the chemoautotrophs that never released oxygen. Of the above statements which one of the following options is correct

Following are the two statements regarding the origin of life (a) the earliest organisms that appeared on the earth were nongreen and presumably anaerobic The first autotrophic organisms were the chemoautotrophs that never released oxygen. Of the above statements which one of following options is correct

Assertion (A) : The earliest organisms that appeared on the Earth were non-green and presumably anaerobis. Reason (R ) : The first autotrophic organisms were the chemoautotrophs that never released oxygen.

In a study of two groups, the following results were obtained Which of the following statements is correct?

A body is at rest on the surface of the earth. Which one among the following statements is correct regarding this?

Which one among the following • statements about United Nations organs is correct?

Which one of the following statements about the Organization of Islamic Cooperation is not correct?

PHYSICS WALLAH-EVOLUTION-NEET Past 10 Years Questions
  1. Genetic drift operates in:

    Text Solution

    |

  2. Analogous structures are a result of:

    Text Solution

    |

  3. Following are the two statements regarding the origin of life : A." ...

    Text Solution

    |

  4. Which of the following structures are homologues

    Text Solution

    |

  5. Which is the most common mechanism of genetic variations in the popula...

    Text Solution

    |

  6. A population will not exist in Hardy-Weinberg equilibrium if:

    Text Solution

    |

  7. Which of the following had the smallest brain capacity

    Text Solution

    |

  8. The following graph depicts changes in two populations (A and B) of he...

    Text Solution

    |

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

    Text Solution

    |

  10. Industrial melanism is an example of:

    Text Solution

    |

  11. Forelmbs of cat, lizard used in walking, forelimbs of whale used in sw...

    Text Solution

    |

  12. In a population of 1000 individuals 360 belong to genototype AA ,480 ...

    Text Solution

    |

  13. Which one of the following are analogous structures?

    Text Solution

    |

  14. Variation in gene frequencies within populations can occur by chance r...

    Text Solution

    |

  15. According of Darwin, the organic evolution is due to

    Text Solution

    |

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

    Text Solution

    |

  17. The tendency of population to remain in genetic equilibrium may be dis...

    Text Solution

    |

  18. The eye of octopus and eye of cat show different patterns of structure...

    Text Solution

    |

  19. The idea of mutations was brought forth by

    Text Solution

    |

  20. What was the most significant trend in the evolution of modern man (Ho...

    Text Solution

    |