Home
Class 12
BIOLOGY
Briefly explain the 'struggle for existe...

Briefly explain the 'struggle for existence' concept of Darwin's theory of evolution.

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 5

    ARIHANT PUBLICATION|Exercise SECTION B (ZOOLOGY)|22 Videos

  • SAMPLE PAPER 4

    ARIHANT PUBLICATION|Exercise Section B (Zoology) Group III|7 Videos

  • SEX-DETERMINATION

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE ( LONG ANSWER TYPE QUESTIONS)|2 Videos

Similar Questions

Explore conceptually related problems

Write notes on Mutation theory of evolution

Briefly explain the concept of heat.

Briefly explain electroblotting.

Briefly explain the concept of temperature.

What are the principle elements of Lamareck.s theory of evolution ?

Explain the theory of recapitulation.

Enlist the key postulates involved in the Darwin's theory of evolution. Do you think awareness about Mendel's work would have helped Darwin in explaining the origin of variation.

The concept of chemical evolution is based on:

Why was Darwin's theory of evolution criticised? Explain.

ARIHANT PUBLICATION-SAMPLE PAPER 5-SECTION B (ZOOLOGY)
  1. The surgical method in females to avoid pregnancy is

    Text Solution

    |

  2. Choose the correct answer from the choices given under each bit/ Give ...

    Text Solution

    |

  3. Choose the correct answer from the choices given under each bit/ Give ...

    Text Solution

    |

  4. Fill in the blanks with correct answer(s)/Correct the underlined porti...

    Text Solution

    |

  5. A cross between F1-hybrid and a recessive parent gives the ratio of

    Text Solution

    |

  6. Fill up the blanks with correct answer(s)./Correct the underlined port...

    Text Solution

    |

  7. Fill in the blanks with correct answer(s)/Correct the underlined porti...

    Text Solution

    |

  8. Fill in the blanks with correct answer(s)/Correct the underlined porti...

    Text Solution

    |

  9. Answer any three of the following (restrict each answer 2 to 3 importa...

    Text Solution

    |

  10. Answer any three of the following (restrict each answer 2 to 3 importa...

    Text Solution

    |

  11. Answer any three of the following (restrict each answer 2 to 3 importa...

    Text Solution

    |

  12. Answer any three of the following (restrict each answer 2 to 3 importa...

    Text Solution

    |

  13. Answer any three of the following (restrict each answer 2 to 3 importa...

    Text Solution

    |

  14. Answer any three of the following (restrict each answer 2 to 3 importa...

    Text Solution

    |

  15. Differentiate between any one of the following (restrict the answer 3 ...

    Text Solution

    |

  16. Illustrate in detail the process of spermatogenesis in human.

    Text Solution

    |

  17. Briefly explain the 'struggle for existence' concept of Darwin's theor...

    Text Solution

    |

  18. Nature plays a decisive role in selecting the fit organisms'. Explain...

    Text Solution

    |

  19. What is sex-linked inheritance?

    Text Solution

    |

  20. Write short notes on any two of the following: (a) Transgenic anima...

    Text Solution

    |