Home
Class 12
BIOLOGY
"Analysis of age-pyramids for human popu...

"Analysis of age-pyramids for human population can provide important inputs for long-term planning strategies." Explain.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

How does an age pyramid for human population at given point of time helps the policy - makers in planning for future .

Draw and explain expanding age pyramids of human population. Why is it so called ?

What type of human population is represented by the following age pyramid

a) What is an age-pyramid? b) Name three representative kinds of age-pyramids for human population and list the characteristics for each one of them.

a) What is an age-pyramid? b) Name three representative kinds of age-pyramids for human population and list the characteristics for each one of them.

What type of human population is represented by the following age pyramid?

Various age pyramids (P-R) for human population are shown below. Select the option with correct identification.

Representation of age pyramids for the human population is given below. Identify A, B, and C by selecting the correct option .

The age pyramid for human population is shown below Which of the following conclusion can be drawn from the given age pyramid?

Which of the given age pyramid reflects a stable human population ?

ALLEN-ORGANISM AND POPULATIONS-Question
  1. Explain why very small animals are rarely found in polar region.

    Text Solution

    |

  2. Name important defence mechanisms in plants against herbivory.

    Text Solution

    |

  3. Distinguish between the following: (a) Hibernation and Aestivation ...

    Text Solution

    |

  4. Write a short note on : (a) Adaptations of desert plants and animals...

    Text Solution

    |

  5. With the help of suitable diagram describe the logistic population gro...

    Text Solution

    |

  6. Define the following terms and give one example for each: (a) Comme...

    Text Solution

    |

  7. What would happen to all the energy fixed by autotrophic organisms, if...

    Text Solution

    |

  8. Write a short note on (a) Behavioural adaptations in animals (b) I...

    Text Solution

    |

  9. Define and give one examples of each: Amensalism

    Text Solution

    |

  10. Read the following statements and select the correct ones. (i) All ...

    Text Solution

    |

  11. How does a detritivore differ from a decomposer ? Explain with an exam...

    Text Solution

    |

  12. How does the study of fossils support evolution ? Explain.

    Text Solution

    |

  13. What does Hardy-Weinberg Principle of equilibrium indicate? List any t...

    Text Solution

    |

  14. How do snails, bears, zooplanktons, fungi and bacteria adapt to condit...

    Text Solution

    |

  15. Draw and explain a logistic curve for a population of density (N) at t...

    Text Solution

    |

  16. (i) Which of the following A,B,C ,d represent increases and decreases ...

    Text Solution

    |

  17. Write three important characterstics of tropical Rain forest.

    Text Solution

    |

  18. "Analysis of age-pyramids for human population can provide important i...

    Text Solution

    |

  19. (a) List the different attributes that a population has and not an ind...

    Text Solution

    |

  20. It is often said that the pyramid of energy is always upright. On the ...

    Text Solution

    |