Home
Class 12
BIOLOGY
[A]: Heritable changes are also called m...

[A]: Heritable changes are also called muta- tions.
[R]: Mutations are sudden change in chromo- somal DNA.

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

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Fungi

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|27 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

Similar Questions

Explore conceptually related problems

Foreign DNA is also called

[A] : Bacterial chromosomes are called plasmids . [R] : Plasmids are extranuclear DNA.

What is called changing food?

Ability of Frog to change colour is called

Change of vapour to liquid is called

[A] : Schizosaccharomyces is also called the fission yeast . [R] : Schizosaccharomyces form the pseudomycelium .

[A]: Vernalization is also called as yarovization. [R]: In short day plants the dark period re- quired is important

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

Single step large mutation leading to speciation is also called

Change of soild to liquid is called

TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. [A]: Ear muscles of external ear in man are well developed. [R]:...

    Text Solution

    |

  2. [A]: Convergent evolution leads to production of analogous similaritie...

    Text Solution

    |

  3. [A]: Heritable changes are also called muta- tions. [R]: Mutation...

    Text Solution

    |

  4. [A]: In some organisms the end stages of the ancestral development pat...

    Text Solution

    |

  5. [A]: Homologous organs have similar structure but different functions....

    Text Solution

    |

  6. [A]: In large groups of animals and plants, there are identical enzyme...

    Text Solution

    |

  7. [A]: During evolution of Primates, various groups diverged in a partic...

    Text Solution

    |

  8. [A]: Macro evolution produces groups of parallel special adaptations a...

    Text Solution

    |

  9. [A] : Organisms that bear large number of common amino acid sequence m...

    Text Solution

    |

  10. [A]: Homologous organs are similar in basic structure and embryonic or...

    Text Solution

    |

  11. Assertion:Analogous organs serve the same function and look alike, but...

    Text Solution

    |

  12. Assertion:Frog's tadpole has fish-like form, tail and gills Reason: ...

    Text Solution

    |

  13. Assertion:Jurassic period is considered as the age of reptiles. Reas...

    Text Solution

    |

  14. [A]: Some babies have a small tail. [R]: This is just a freak of ...

    Text Solution

    |

  15. [A]: The first life originated was chemoheterotrophic. [R]: The f...

    Text Solution

    |

  16. [A]: Evolution is a theory. [R]: As it is based on causes and evi...

    Text Solution

    |

  17. [A]: Cabbage, cauliflower, Kohlrabi, Broccoli and Brussels have descen...

    Text Solution

    |

  18. [A]: Evolution is not occurring at present. [R]: Evolution is a v...

    Text Solution

    |

  19. [A]: According to the theory of Lamarck use and disuse caused the incr...

    Text Solution

    |

  20. [A]: Fossils of Peking man were discovered from caves near Peking in 1...

    Text Solution

    |