About 95% of the energy requirements in Pakistan are met with by the:

Related Mcqs:

1. Energy flow and energy transformations in living systems strictly conform to the:

   A. Law of limiting factors
   B. Liebig’s law of minimum
   C. Laws of thermo dynamics
   D. Shelford’s law of tolerance
   E. Biogenetic law

2. The ration of food energy assimilated to the food energy ingested is called:

   A. Trophic level efficiency
   B. Photosynthetic efficiency
   C. Net production efficiency
   D. Assimilation efficiency

3. The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is:

   A. 25%
   B. 50%
   C. 10%
   D. 5%

4. The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s:

   A. Net primary productivity
   B. Gross secondary productivity
   C. Net secondary productivity
   D. Gross primary productivity

5. The Forest Act of 1927 needs to be reversed again to bring it in consonance with the modern day requirements of protecting preserving and expanding the country’s meager forest resources and the attended benefits such as:

   A. Water
   B. Wood
   C. Wildlife
   D. Energy
   E. All of the above

6. The inventory should include the collection of data requirements are:

   A. Physical, climatic, edaphic, geologic, biotic
   B. Land used and land capability
   C. Socio-economic data
   D. Institutional and cultural factors
   E. All of the above

7. Food chains are met with only in the:

   A. Sea
   B. Forests
   C. Deserts
   D. In all these places

8. The temperature deciduous tree genera, Acer, Aesculus, Prunus, Ulmus, Fraxinus, Corylus and Alnus are met with:

   A. Fairly generally
   B. Form local consociations
   C. Both (a) & (b)
   D. None of these

9. Main source of energy in Pakistan is:

   A. Hydro-electricity
   B. Atomic energy
   C. Coal energy
   D. None of these

10. Exposure of human beings to high energy from nuclear power plants can cause:

    A. Cancer of skin and bone
    B. Cancer of heart and brain
    C. Cancer of skin and bone marrow
    D. Cancer of kidneys