41. Approximately one-half of the world population lives in

1. 1. East Asia and Europe

   
   
   

   2. Europe and Eastern-North America

   
   
   

   3. South and South-East Asia

   
   
   

   4. East and South Asia

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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42. Infant mortality and birth rate tend to vary together, which suggest that

1. 1. Decrease in one leads to decrease in the other

   
   
   

   2. Decrease in one leads to increase in the other

   
   
   

   3. Increase in one leads to decrease in the other

   
   
   

   4. Increase in one leads to increase in the other

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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43. Assertion (A) : The first major group of migrants from the United Kingdom to North-eastern U.S.A. were the "Pilgrim Fathers".
    Reason (R) : Roman Catholics were allowed to practice the religion fully in the U.K. at that time.
    Code

1. 1. Both (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. (A) is true but (R) is false
      

   
   
   

   4. (A) is false but (R) is true
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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44. Consider the following statements
    According to the Malthusian model
    1. Population tends to increase arithmetically.
    2. Positive and preventive checks prevent excessive growth rate of population.
    3. The basis of preventive checks is 'moral restraint'.
    4. Postponement of marriage is to be emphasized.
    Of these statements

1. 1. 1 and 2 are correct

   
   
   

   2. 1, 2 and 3 are correct

   
   
   

   3. 2, 3 and 4 are correct

   
   
   

   4. 1, 3 and 4 are correct

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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45. Assertion (A) : In developed countries, the economically active population in agriculture sector has declined
    Reason (R) : The per capita arable land has also significantly fallen down
    Code

1. 1. Both (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. (A) is true but (R) is false
      

   
   
   

   4. (A) is false but (R) is true
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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