Home
Class 12
BIOLOGY
[A] : Living organisms are like a close ...

[A] : Living organisms are like a close system .
[R] : Energy in the organisms neither can be lost nor gained from the another environment .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • KINGDOM PROTISTA (UNICELLULAR EUKARYOTES)

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|191 Videos
  • MICROBES IN HUMAN WELFARE

    TRUEMAN BIOLOGY|Exercise Multiple choice question|144 Videos

Similar Questions

Explore conceptually related problems

All living organisms are linked to one another because

All living organisms are linked to one another because

[A] : Living organisms do not interact with each other. [R] : All living organisms have originated independently.

[A] : The obligate parasites can live only on dead hosts . [R] : There are some organisms which grow and live together but each one is always harmed by the other . This phenomenon is known as antagonism .

[A]: The earliest living organisms were structurally simple. [R]: The earliest living organisms were more complex than present one.

A heterotroph is an organism that derives it's energy from

[A] : When the organisms live together in such a manner that one organism benefitted , while other has no effects , it is called commensalism . [R] : In commensalism one partner derives benefit from the other partner without in any way benefitting or harming it .

Mycorrhiza is a mutualistic association. How do the organisms involved in this association gain from each other ?

[A] : Biomonitoring is reliable for determining the pollutants in air , water and soil . [R] : The living organism reacts to minute changes in the environment .

[A] : Biomonitoring is reliable for determing the pollutants in air , water and soil . [R] : The living organism reacts to minute changes in the environment .

TRUEMAN BIOLOGY-Living World -ASSERTION AND REASON
  1. [A] : Control experiment is meant for confirming the validity of exper...

    Text Solution

    |

  2. [A] : Living organisms do not interact with each other. [R] : All li...

    Text Solution

    |

  3. [A] : Living organisms are like a close system . [R] : Energy in the...

    Text Solution

    |

  4. [A] : Energy can be transformed from one form to another by living org...

    Text Solution

    |

  5. [A] : Study of internal structure is called Anatomy. [R] : It is use...

    Text Solution

    |

  6. [A] : Saline drop contains sodium chloride. [R] : Sodium chloride ca...

    Text Solution

    |

  7. Assertion. Lysosomes help in the process of photorespiration. Reason...

    Text Solution

    |

  8. [A] : The plasmalemmas of animals cells typically have the oligosaccha...

    Text Solution

    |

  9. [A] : Mitochondria are called power houses of the cell. [R] : Mitoch...

    Text Solution

    |

  10. [A] : Lysosomes are also known as Suicidal bags of the cells . [R] :...

    Text Solution

    |

  11. [A] : Chloroplasts contain circular DNA , rRNA , mRNA and are also abl...

    Text Solution

    |

  12. [A] : Mitochondria synthesize energy rich compounds called ATP . [R]...

    Text Solution

    |

  13. [A] : Chloroplasts have 75% chlorophyll a and 25% chlorophyll b [R] ...

    Text Solution

    |

  14. [A] : Peroxisomes occur , both in plants and animals . [R] : Peroxis...

    Text Solution

    |

  15. [A] : Glyoxysome are present only in plant cells . [R] : They are fo...

    Text Solution

    |

  16. Assertion. The nuclear envelope acts as an interface between the genet...

    Text Solution

    |

  17. [A] : One or many nucleoli are present in a nucleus . [R] :The nucle...

    Text Solution

    |

  18. [A] : Nucleus controls different metabolic as well as hereditary activ...

    Text Solution

    |

  19. [A] : Homeostasis is the maintenance of a stable internal environment ...

    Text Solution

    |

  20. [A] : Usually the cells of animals and plants have controlled growth ....

    Text Solution

    |