The atomic energy is derived by splitting the nuclei of a:

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. Hydroelectric power is the electric power generated by the energy of:

   A. Flowing water
   B. River water
   C. Dam water
   D. Falling water

6. 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

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

   A. Nuclear power plants
   B. Hdroelectric power
   C. Fossil fuels
   D. Solar energy

8. The transfer of food energy from the source in plants through a series of organism with repeated stages of eating and being eaten is known as:

   A. Food web
   B. Food chain
   C. Food cycle
   D. None of these

9. The transfer of food energy from the sources in plants through a series of organisms with repeated stages of eating and being eaten is known as:

   A. Food way
   B. Food web
   C. Food link
   D. Food chain

10. The transfer of energy from organism to organism is a natural community establishes:

    A. Food chains
    B. Biological control
    C. Natural barriers
    D. All the above