Home
Class 10
BIOLOGY
Which of the following statement is n...

Which of the following statement is not true with respect to variation ?

A

All variations in a species have equal chance of survival

B

Change in genetic composition results in variation.

C

Selection of variants by environmental factors forms the basis of evolutionary processes.

D

Variation is minimum in asexual reproduction.

Text Solution

Verified by Experts

The correct Answer is:
A
Useful variations stand a chance of survival because nature selects only the useful variations.
Promotional Banner

Topper's Solved these Questions

  • HEREDITY

    OSWAL PUBLICATION|Exercise NCERT EXEMPLAR (SHORT ANSWER QUESTIONS)|11 Videos

  • HEREDITY

    OSWAL PUBLICATION|Exercise NCERT EXEMPLAR (LONG ANSWER QUESTIONS )|11 Videos

  • HEREDITY

    OSWAL PUBLICATION|Exercise NCERT CORNER (EXERCISE QUESTIONS)|12 Videos

  • DIKSHA QUESTIONS

    OSWAL PUBLICATION|Exercise ENVIRONMENT (MULTIPLE CHOICE QUESTIONS) |6 Videos

  • HEREDITY AND EVOLUTION

    OSWAL PUBLICATION|Exercise CREATING BASED QUESTIONS |11 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements is not true?

OSWAL PUBLICATION-HEREDITY-NCERT EXEMPLAR (MULTIPLE CHOICE QUESTIONS )
  1. In human males all the chromosomes are paired perfectly except one. Th...

    Text Solution

    |

  2. The maleness of a child is determined by

    Text Solution

    |

  3. A zygote which has an X-chromosome inherited from the father will deve...

    Text Solution

    |

  4. Select the incorrect statement :

    Text Solution

    |

  5. New species may be formed if : (i) DNA undergoes significant change...

    Text Solution

    |

  6. Two pea plants one with round green seeds (RRyy) and another with wri...

    Text Solution

    |

  7. A basket of vegetables contains carrot, potato, radish and tomato. Whi...

    Text Solution

    |

  8. Select the correct statement.

    Text Solution

    |

  9. If the fossil of an organism is found in the deeper layers of earth, ...

    Text Solution

    |

  10. Which of the following statement is not true with respect to vari...

    Text Solution

    |

  11. A trait in an organism is influenced by

    Text Solution

    |

  12. Select the group which shares maximum number of common characters

    Text Solution

    |

  13. According to the evolutionary theory, formation of a new species is g...

    Text Solution

    |

  14. From the list given below, select the character which can be ...

    Text Solution

    |

  15. The two versions of a trait (character) which are brought in by the m...

    Text Solution

    |

  16. Select the statements that describe characteristics of genes : (i) g...

    Text Solution

    |

  17. In peas, a pure tall plant (TT) is corssed with a short plant (tt). ...

    Text Solution

    |

  18. The number of pair(s) of sex chromosomes in the zygote of humans is

    Text Solution

    |

  19. The theory of evolution of species by natural selection was given by

    Text Solution

    |

  20. Some dinosaurs had feathers although they could not fly but birds have...

    Text Solution

    |