Home
Class 11
BIOLOGY
Assertion : Keys are analytical in natur...

Assertion : Keys are analytical in nature.
Reason : Keys are based on couplet.

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 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:
B
Key is a taxonomical aid used for identification of plants and animals based on the similarities and dissimilarities. The keys are based on contrasting characters generally in a pair called couplet. Keys are generally analytical in nature.
Promotional Banner

Topper's Solved these Questions

  • TEST PAPER

    NCERT FINGERTIPS|Exercise Test Paper 3|50 Videos

  • TRANSPORT IN PLANTS

    NCERT FINGERTIPS|Exercise Transport In Plants|119 Videos

Similar Questions

Explore conceptually related problems

Which statement is correct ? (A) R.H.Whittaker proposed five kingdom classification (B) In zoological parks wild animals are kept in protected environments (C) Keys are generally analytical in nature (D) Keys are based on the contrasting characters

Taxonomic keys are based on the

Key is

Assertion :- Taxonomic keys are generally not analytical in nature. Reason :- From couplets one characters is accepted and other is rejected, this rejected character is present in other plants.

Types of keys are

Keys are required for

Assertion: Same type of key can be used for every taxonomic category such as family, genus and species. Reason: The keys are based on the contrasting characters generally in a pair called lead.

Taxonomical keys are

NCERT FINGERTIPS-THE LIVING WORLD-The Living World
  1. Botanical gardens and zoological parks have

    Text Solution

    |

  2. Taxonomic key is one of the taxonomic tools in the identification and ...

    Text Solution

    |

  3. All living organisms are linked to one another because

    Text Solution

    |

  4. Which of the following is a defining characteristic of living organism...

    Text Solution

    |

  5. Match the following and choose the correct option. {:(A.,"Family",i...

    Text Solution

    |

  6. Assertion : Living organisms shown internal as well as external growth...

    Text Solution

    |

  7. Assertion : All organisms reproduce for perpetuation of a population. ...

    Text Solution

    |

  8. Assertion : Metabolism refers to the sum of chemical reaction that occ...

    Text Solution

    |

  9. Assertio : Consciousness is a defining property of living organisms. ...

    Text Solution

    |

  10. Assertion : Living organisms are self replicating, evolving and self r...

    Text Solution

    |

  11. Assertion : System of providing name with two compounds is called bino...

    Text Solution

    |

  12. Assertion : New names in binomial nomenclature are derived from Latin ...

    Text Solution

    |

  13. Assertion : In binomial nomenclature, both words are separately underl...

    Text Solution

    |

  14. Assertion : Classification is necessary to study all living organisms....

    Text Solution

    |

  15. Assertion : Systematics is defined as the science of diversity of orga...

    Text Solution

    |

  16. Assertion : Species is a group of individuals with fundamental similar...

    Text Solution

    |

  17. Assertion : Cats and dogs have some similarities. Reason : Cats and ...

    Text Solution

    |

  18. Assertion : Order is a taxonomic category that includes one or more ge...

    Text Solution

    |

  19. Assertion : Keys are analytical in nature. Reason : Keys are based o...

    Text Solution

    |

  20. Assertion : Monographs are useful in providing information for identif...

    Text Solution

    |