1901. Which one is non renewable resource ?

A. Wild life
B. Forests
C. Natural gas *
D. Land

1902. Process that supplies food to living things through decaying and decomposition is called :

A. Food cycle
B. Nutrient cycle *
C. Dead live cycle
D. None of these

1903. In 1947 population of pakistan was :

A. 32.5 Million *
B. 35 Million
C. 40 Million
D. 45 Million

1904. Rate of population growth in 1980s was :

A. 10 %
B. 15 %
C. 5 %
D. 2 % *

1905. Replantation of plants in the areas where they were present earlier is called :

A. Deforestation
B. Afrorestation
C. Forestation
D. Reforestation *

1906. Establishment of new forests where no forest existed previously is called :

A. Deforestation
B. Afforestation *
C. Forestation
D. Reforestation

1907. Balance in the nutrient cycle can be upset when :

A. Too much food is consumed
B. Noe enough food is produced
C. Decayed nutrients are not returned to the gound
D. All of these *

1908. In air nitrogen is :

A. 57 %
B. 50 %
C. 60 %
D. 79 % *

1909. Incomplete burning of carbon compounds cause release of :

A. Carbon Dioxide
B. Carbon monoxide *
C. Oxide of nitrogen
D. CFCs

1910. The nature of human interaction with the global environment changed with :

A. Agriculture practice
B. Industrialization *
C. Urbanization
D. All of these