In India, if the marriage age is changed to $21$ years then

  • A

    Population growth rate will be unaffected

  • B

    Population growth rate will decrease

  • C

    Population growth rate will increase

  • D

    None of the above

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  • [AIPMT 2007]

Which one is right for logistic model for population growth?

$I.$ Population growth rate increases as the size of population approaches the carrying capacity

$II.$ All individual have same effect on population growth

$III.$ There are unlimited natural resources

$IV.$ As population increases the competition goes on increasing

Select the correct combination