Home
Class 12
BIOLOGY
Assertion. Species are static units in c...

Assertion. Species are static units in classification.
Reason. Species do not change with time.

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

  • STRUCTURAL ORGANISATION IN ANIMALS

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|225 Videos

  • THE LIVING WORLD

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|124 Videos

Similar Questions

Explore conceptually related problems

Assertion. Conservative characters are more useful in classification. Reason. These characters do not change during evolution. Therefore, their similarities show relationships among organisms.

Assertion. Hierarchial system of classification is useful in that it reduces the volume of description in a catatogue of animals and plants. Reason. Characters given for a larger category (say a phylum) need not be repeated for smaller categories (say classes, orders, etc.)

The main reason for extinction of species is

Assertion. The time involved between pollination and fertilization varies from species to species Reason. All the pollen that reach the stigma succeed in affecting fertilization .

Adaptations significant for the evolution of species and reason of diversity are

Assertion. Linnaeus is regarded the father of taxonomy. Reason. He gave a scheme of classification which, with a few additions, is still used.

Discuss how classification systems have undergone several changes over a period of time ?

The species that do not contain peroxide ions are

The gradual and predictable change in the species composition of a given area is called ecological succession. What do you understand with the pioneer and climax community in this context?

[A]: The process of speciation occurs only in allopatric populations. [R]: The sympatric species can arise either due to changes in the chromosome number or due to introgressive hybridization and poly- ploidy.

TRUEMAN BIOLOGY-Taxonomy(Systematics) -ASSERTION AND REASON
  1. [A] : A phylogenetic system of classification is also a natural system...

    Text Solution

    |

  2. [A] : Chromosome number and chromosome morphology are helpful in the e...

    Text Solution

    |

  3. [A] : Vegetative characters make their description more difficult . ...

    Text Solution

    |

  4. [A] : Cereals belong to family gramineae. [R] : Gramineae consists o...

    Text Solution

    |

  5. [A] : Botanical nomenclature is independent of zoological nomenclature...

    Text Solution

    |

  6. [A] : Plants brought from the wild into cultivation retain original na...

    Text Solution

    |

  7. [A] : Bentham and Hooker did not divide the seed plants into dicotyled...

    Text Solution

    |

  8. [A] : Allopatric species are geographically isolated whereas sympatric...

    Text Solution

    |

  9. [A] : To give a scientific name to a plant , there is ICBN . [R] : T...

    Text Solution

    |

  10. [A] : Natural & Phylogenetic systems of classification are similar . ...

    Text Solution

    |

  11. [A] : Species are static units in classification . [R] : Species do ...

    Text Solution

    |

  12. [A] : Unicellular organisms are found in 3 kingdoms . [R] : These ki...

    Text Solution

    |

  13. [A] : Unicellular organisms occur in 3 kingdoms . [R] : Multicellul...

    Text Solution

    |

  14. Assertion. Species are static units in classification. Reason. Speci...

    Text Solution

    |

  15. Assertion. Linnaeus is regarded the father of taxonomy. Reason. He g...

    Text Solution

    |

  16. Assertion. Conservative characters are more useful in classification. ...

    Text Solution

    |

  17. Assertion. Linnaeus insisted that the scientific names should be latin...

    Text Solution

    |

  18. Assertion. Hierarchial system of classification is useful in that it r...

    Text Solution

    |

  19. [A] : Kingdom Archaea is a domain . [R] : Domain is a category above...

    Text Solution

    |