In which of the following there is no difference?

Related Mcqs:

1. In the following there is no difference:

   A. Trophic level 1st and herbivores
   B. Primary consumers and herbivores
   C. Primary carnivore and trophic level 2nd
   D. Secondary consumer and herbivores

2. Difference between pure and mixed stands is / are:

   A. To temperature
   B. To conditions favourability
   C. To destruction
   D. To extreme conditions favourability
   E. All of the above

3. The most striking difference between tropical rain forests and temperate forests is that:

   A. The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms
   B. The trees of temperate forests are taller than these of tropical rain forests
   C. Plants of temperate forests are comparatively more mesophytic
   D. Tropical forests are comparatively homogenous

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

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

5. Which of the following characterizes the biomass in an ecosystem?

   A. The biomass of producers is less than the combined biomass of consumers and decomposers
   B. No general statement can be made about relative biomass of different ecological groups
   C. The biomass of secondary consumers is usually greater than the biomass of primary consumers
   D. The biomass of producers is generally greater than the biomass of primary consumers

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. The primary productivity is minimum in the following ecosystem:

   A. Tropical rainforest
   B. Temperate grassland
   C. Tropical deciduous forest
   D. Desert shrub

8. The decomposers in an ecosystem constitute the following trophic level:

   A. T1
   B. T3
   C. T5
   D. T4

9. Which of the following serves as source of carbon in plants:

   A. CO2 of carbonic rocks
   B. Atmospheric CO2
   C. Fossil fuel
   D. All of the above

10. A food chain has the following trophic levels:

    A. 3 or 4
    B. 3
    C. 2
    D. 1