Home
Class 12
BIOLOGY
Assertion : Age sex structure of human p...

Assertion : Age sex structure of human population in countries like France and Germany gives a steep pytamid.
Reason : In countries like Sudan and India, the population is increasing at a rapid rate.

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

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • Drug Addiction

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|20 Videos

  • ECOSYSTEM

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQ|178 Videos

Similar Questions

Explore conceptually related problems

Assertion: Age, sex, structure of human popuJation in France and Sweden forms a steep pyramid. Reason: To countries like Sudan and Lndia, the population is increasing at a rapid rate.

Assertion : The rate at which a population can be expected to grow in the future can be assessed graphically by means ofa population pyrmid. Reason : A triangular population pyramid is characteristics of a country whose population is stable, neither growing nor shrinking.

Assertion: In India, the human population is currently undergoing the lag phase. Reason: A major portion of Indian population is still below poverty line.

If the population of country double in 50 years, in how many years will it triple under the assumption that the rate of increase is proportional to the number of inhabitants.

Assertion: In sigmoid growth curve, population finally stabilises ilself. Reason: Finally, the death rate increases than the birlh rale.

TRUEMEN BIOLOGY ENGLISH-Ecology -ASSERTION AND REASON
  1. Assertion (A) : Tropical rain forests are disappearing fast from devel...

    Text Solution

    |

  2. [A] : Leaf butterfly & stick insect show mimicry to dodge their enemi...

    Text Solution

    |

  3. [A] : In a food chain , membrane of successive higher levels are fewer...

    Text Solution

    |

  4. Assertion (A) : Methane component of greenhouse gases contributing to ...

    Text Solution

    |

  5. Assertion: Suspended particulate matter(SPM) is an important pollutant...

    Text Solution

    |

  6. Assertion : Age sex structure of human population in countries like Fr...

    Text Solution

    |

  7. Assertion (A) : Presently, the global atmosphere is warming up. Reas...

    Text Solution

    |

  8. [A] : Ozone depletion at the south pole will threats world's fisheries...

    Text Solution

    |

  9. [A] : Inquilines can not survive without human care . [R] : Cultige...

    Text Solution

    |

  10. [A] : Problems of ecological environment arise from over population....

    Text Solution

    |

  11. [A] : Social forestry programme is grows trees for fuel , fodder & fru...

    Text Solution

    |

  12. [A] : Cultigens (domesticated animals & cultivated plants ) are not in...

    Text Solution

    |

  13. [A] : Population density of indicator organisms show degree of water p...

    Text Solution

    |

  14. [A] : Traffic Jams cause giddiness , reduced vision , exhaustion etc ....

    Text Solution

    |

  15. [A] : Thermal pollution is harmful to fishes . [R] : Heating cause...

    Text Solution

    |

  16. [A] : Stratosphere is an excellent region for air travel . [R] : Be...

    Text Solution

    |

  17. [A] : Using dung as fuel greatly reduces grain production . [R] : Du...

    Text Solution

    |

  18. Assertion : Lichens are a pioneer community in the temperate region. ...

    Text Solution

    |

  19. Assertion: Global water cycle does not involve the living organisms. ...

    Text Solution

    |

  20. [A] : Life occurs upto 15000 m in the air on mountains . [R] : At gr...

    Text Solution

    |