From gross production of autotrophs, according to Lindemann, how much energy in gcal/cm2/year is used in respiration and decomposition respectively:

Related Mcqs:

1. According to Lindemann, the total solar input in terms of gcal/cm2/year is:

   A. 112,887
   B. 118,872
   C. 181,872
   D. 112,788

2. According to Lindemann, the percentage of net production passed on to carnivores is:

   A. 28.6
   B. 26.8
   C. 22.6
   D. 22.8

3. The greatest biomass of autotrophs in the world’s oceans is that of:

   A. Benthic brown algae, coastal red algae and daphnids
   B. Benthic diatoms and marine viruses
   C. Sea-grasses and slime-molds
   D. Free-floating microalgae, cyanobacteria and nanoplankton

4. The gross primary production is maximum in the following ecosystem:

   A. Open sea
   B. Grasslands and pastures
   C. Coniferous forests
   D. Tropical and sub-tropical forest

5. The gross production minus losses in an ecosystem is indicated as:

   A. Net production
   B. Secondary production
   C. Net storage
   D. Net primary production

6. The flow of materials and energy in an ecosystem is respectively:

   A. Cyclic only
   B. Cyclic and linear
   C. Linear and cyclic
   D. Linear only

7. 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

8. 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

9. 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%

10. 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