Home
Class 12
BIOLOGY
Mutations as proposed by Hugo de Vries a...

Mutations as proposed by Hugo de Vries are

A

Small and directional

B

Gradual and continuous

C

Random and directionless

D

Large and directional

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Variations caused by mutation, as proposed by Hugo de Vries, are:

What are the main points of theory of mutations proposed by Hugo de Vries or Darwin's theory of natural selection.

Assertion Mutation theory was proposed by Hugo de Vries. Reason Mutations are heritable and subjected to natural selection

Mechanism of organic evolution proposed by Hugo de Vries is based upon

Compare and contrast the theories of evolution proposed by Darwin and Hugo De Vries .

Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on the :

AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Hardy-Weinberg equation is used to check

    Text Solution

    |

  2. Fossil of transitional link between birds and reptiles found in the ro...

    Text Solution

    |

  3. Mutations as proposed by Hugo de Vries are

    Text Solution

    |

  4. Structure in humans, common to excretory and reproductive system is

    Text Solution

    |

  5. In a human female, the menstrual cycle is of 24 days. What will be the...

    Text Solution

    |

  6. Tissue whose cells are specialised to store fat and is located mainly ...

    Text Solution

    |

  7. Match column I with column II and select the correct option.

    Text Solution

    |

  8. Select the odd one w.r.t its source of secretion.

    Text Solution

    |

  9. Select the mismatch w.r.t contraceptive method.

    Text Solution

    |

  10. Widal test is the confirmatory test for. Select the option which fills...

    Text Solution

    |

  11. After a normal inspiration, the total volume of air person carr expire...

    Text Solution

    |

  12. Biofortified crop like Golden rice developed transgenically is nutriti...

    Text Solution

    |

  13. Facilitated transport helps in the absorption of A and B with the help...

    Text Solution

    |

  14. Select the incorrect statement w.r.t. human alimentary canal

    Text Solution

    |

  15. Select the amino acid whose 'R' group is alcoholic in nature.

    Text Solution

    |

  16. Select the mismatch wrt secondary metabolites.

    Text Solution

    |

  17. How many of the following are examples of mammals in the box given bel...

    Text Solution

    |

  18. Protrusion of eye balls, increased basal metabolic rate and weight los...

    Text Solution

    |

  19. The condition when heart is not pumping blood effectively enough to me...

    Text Solution

    |

  20. Which layer of human eye consists of ganglion cells, bipolar cells and...

    Text Solution

    |