Home
Class 12
BIOLOGY
Assertion: Chemosynthetic autotrophic ba...

Assertion: Chemosynthetic autotrophic bacteria play a great rolie in recycling nutrients like nitrogen, posphorous, iron and sulphur.
Reason: Chemosynthetic autotrophic bacteria oxidise various inorganic substances to obtain energy.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DIVERSITY IN THE LIVING WORLD

    MOTION|Exercise Exercise - 3 AIPMT & NEET Previous Year Questions|131 Videos

  • DIGESTION AND ABSORPTION

    MOTION|Exercise EXERCISE -4 AIIMS | Assertion & Reason Questions|23 Videos

  • ECOLOGY

    MOTION|Exercise EXERCISE -4|56 Videos

Similar Questions

Explore conceptually related problems

Asseration : Chemosynthetic autotrophic bacteria oxidise various inorganic substances. Reason : Energy released during oxidation is used in ATP production.

Some chemosynthetic bacteria use energy obtained from oxidising

Assertion : None autotrophic bacteria carry out chemosynthesis. Reason : Chemosynthesis bacteria trap the small amount of energy released from inorganic compound's oxidation to use in the reaction that synthesize carbohydrates.

Assertion Autotrophic bacteria obtain their carbon from inorganic CO_(2) . Reason Autotrophs that obtain their energy from sunlight, are photoautotrophs.

Select the correct combination of the statement of the statement (A-D) regarding the characteristics of certain organisms (A) Methanogens are Archaebacteria which produce methane in marshy areas (B) Nostoc is a filamentous blue-green algae which fixes atmospheric nitrogen (C) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose (D) Mycoplasma lack a cell and cen survive without oxygen The correct statement are

[A] : No any autotrophic bacteria carry out chemosynthesis . [R] : Chemosynthetic bacteria take energy from sun for the synthesis of food .

Which bacteria oxidise various inorganic substances such as nitrates, nitrites and ammonia and use the released energy for their ATP production ?

MOTION-DIVERSITY IN THE LIVING WORLD-Exercise - 4 AIIMS | Assertion & Reason Questions
  1. Assertion: Archaebacteria differ from other bacteria only in structure...

    Text Solution

    |

  2. Assertion: Heterocytes are specified cells of blue green algae for Nit...

    Text Solution

    |

  3. Assertion: Chemosynthetic autotrophic bacteria play a great rolie in r...

    Text Solution

    |

  4. Assertion: Members of protisis are eukaryotes. Reason: Protistial ce...

    Text Solution

    |

  5. Assertion: The cellwall of diatoms is indestructible. Reason: The ce...

    Text Solution

    |

  6. Assertion: Diatoms are the chief producers in the oceans. Reason: Di...

    Text Solution

    |

  7. Assertion: Euglenoids can preform photosynthesis. Reason: They have ...

    Text Solution

    |

  8. Assertion:- Spore is the exclusive structure of slime moulds upon whic...

    Text Solution

    |

  9. Fungi prefer to grow in

    Text Solution

    |

  10. Assertion:- In Ascomycetes and Basidiomycetes well distinct Dikaryopha...

    Text Solution

    |

  11. Assertion: Neurosporta fungus is known as Drosophila of plant kingdom....

    Text Solution

    |

  12. Assertion: Archaebacteria are most resistant to adverse environmental ...

    Text Solution

    |

  13. Assertion: According to Whittaker's classification dinoflagellates are...

    Text Solution

    |

  14. Assertion: Phylogenetic classification system provides more accurate a...

    Text Solution

    |

  15. Assertion: In numerical taxonomy each character is given equal importa...

    Text Solution

    |

  16. Assertion: Algae are thalloid organisms of kingdom plantae. Reason:-...

    Text Solution

    |

  17. Assertion: Sexual reproduction of Spirogyra is isogamous type. Reaso...

    Text Solution

    |

  18. Assertion: Alage can bridge the gap between demand and supply of prote...

    Text Solution

    |

  19. Assertion:- Bryophytes are not a successful land plants. Reason:- I...

    Text Solution

    |

  20. Assertion: Bryophytes are best packing material for trans shipment of ...

    Text Solution

    |