Home
Class 12
BIOLOGY
[A]: Since 1960 s, there is a dramatic i...

[A]: Since 1960 s, there is a dramatic increase in human population growth rate.
[R]: Infant and child mortality rate has been reduced

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

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • APPLICATION OF BIOTECHNOLOGY

    TRUEMEN BIOLOGY ENGLISH|Exercise Multiple Choice Questions|120 Videos

  • Biochemistry

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|9 Videos

Similar Questions

Explore conceptually related problems

Which of the following factors has a negative effect on the population growth rate ?

[A]: Decrease in mortality would result in de- creased population growth rate. [R]: Mortality is the birth rate per thousand in- dividuals

The intrinsic rate of natural increase for Indian human population according to the 2011 census was

Read the given statements and select the correct option Statement 1 : The world population was around 2 billions in 1900 which has rocketed to about 6 billions by 2000 Statement 2 : Increase in longevity due to decline in death rate , maternal mortality rate and infant mortality rate has been some major causes of population explosion.

A : The rate constant of first order reaction is used to calculate population if growth rate is given. R : The rate constant is independent of concentration for first order reaction.

Assertion : Population of India crossed 1 billion in May 2000. Reason : It is the result of rapid decline in death rate, maternal mortality rate (MMR), and infant mortality rate (IMR) as well as an increase in the number of people in reproducible age.

Assertion : Population of India crossed 1 billion in May 2000. Reason : It is the result of rapid decline in death rate, maternal mortality rate (MMR), and infant mortality rate (IMR) as well as an increase in the number of people in reproducible age.

Assume that a spherical rain drop evaporates at a rate proportional to its surface area .Radius originally is 3 mm and 1 hour later has been reduced to 2 mm, find an expression for the radius of the rain drop at any time.

In India, population crossed one billion mark in May 2000. The probable reasons for this are, decline in (A) Maternal mortality rate (MMR). (B) Infant mortality rate (IMR). ( C) Number of people in reproducible age (D) Death rate

Which of the following can be taken as characteristic demographic features of the development countries? (a) High fertility rate (b) Rapidly rising mortality rate. (c ) Very young age distribution. (d) Rapid population growth ( e) Rapidly falling mortality rate (f) Very old age distribution.

TRUEMEN BIOLOGY ENGLISH-Applications of Biology -ASSERTION AND REASON
  1. [A]: Winged bean is widely cultivated throughout India. [R]: The ...

    Text Solution

    |

  2. [A] : The age-sex structure of human population in countries like Fran...

    Text Solution

    |

  3. [A]: Decrease in mortality would result in de- creased population grow...

    Text Solution

    |

  4. Assertion. Death is regarded as the most regulatory process on earth. ...

    Text Solution

    |

  5. [A]: The ideas of Thomas Malthus are more applicable today. [R]: ...

    Text Solution

    |

  6. [A]: Since 1960 s, there is a dramatic increase in human population gr...

    Text Solution

    |

  7. [A]: Oral contraceptive pills are meant for family planning purpose. ...

    Text Solution

    |

  8. [A]: Environment resistance does not limit population growth. [R]...

    Text Solution

    |

  9. [A]: Growth curve is the graphic representation of the total growth ag...

    Text Solution

    |

  10. [A]: Demography is the study of human popu- lation growth & production...

    Text Solution

    |

  11. Assertion : Interferons are a type of antibodies produced by body cell...

    Text Solution

    |

  12. Assertion (A): Organ transplantation patients are given immunosuppress...

    Text Solution

    |

  13. Assertion : Persons suffering from haemophillia fail to produce blood ...

    Text Solution

    |

  14. Assertion: Senescence is the time when age associated defects are mani...

    Text Solution

    |

  15. Assertion: In recombinant DNA technology, human genes are often transf...

    Text Solution

    |

  16. Assertion : Agrobacterium tumefaciens is popular in genetic engineerin...

    Text Solution

    |

  17. [A]: Typhoid carriers may be cured by remov- ing their spleen. [R...

    Text Solution

    |

  18. [A]: Foot and mouth disease causes ulcer- ation in mouth and hoof clef...

    Text Solution

    |

  19. [A] : A blood dialyser is an artificial kidney which can sustain kidne...

    Text Solution

    |

  20. Assertion. Somaclonal variations occur in tissue culture processes. ...

    Text Solution

    |