The primary productivity is minimum in the following ecosystem:

Related Mcqs:

1. Which of the following ecosystem has highest gross primary productivity:

   A. Grassland B. Coral reefs C. Mangroves D. Rain forest...

2. Which ecosystem has the highest primary productivity?

   A. Pond ecosystem B. Lake ecosystem C. Grassland ecosystem D. Forest ecosystem...

3. Which of the following habitats is most unsuitable for primary productivity:

   A. Meadow B. Forested river bank C. Cave D. Pond...

4. Aerosols reduce primary productivity by:

   A. Decreasing O2 B. Reducing photosynthesis C. Competing with CO2 D. Being toxic to chloroplasts...

5. In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:

   A. Primary and secondary consumers are similar B. Both biotic and abiotic components are different C. The biotic components are almost similar D. The abiotic components are almost similar...

6. 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...

7. Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:

   A. Pinus nigra – Japan B. Euralyptus – Australia C. Polunia – China D. All of the above...

8. The minimum number of components required for an ecosystem to survive:

   A. Producer and primary consumer B. Producer and decomposer C. Primary consumer and decomposer D. Primary and secondary consumer E. Producer and secondary consumer...

9. In a sugarcane field the net productivity in terms of kg/m2/year, is:

   A. 0.2-0.4 B. 2?4 C. 4?6 D. 0.6-0.8...

10. If precise quantitative measurements are made on a convened ecosystem in a laboratory, we will find amounts of which of the following to be a one-way flow rather than cyclic?

    A. Carbon B. Potassium C. Nitrogen D. Free energy...