The pyramid of biomass is variable in some:

Related Mcqs:

1. In a food chain, the total amount of living material is depicted by: A. Pyramid of biomass B. Pyramid of energy C. Pyramid of number D. Trophic levels

   xA. Pyramid of biomass
   B. Pyramid of energy
   C. Pyramid of number
   D. Trophic levels

2. In lake ecosystem, the pyramid of biomass is:

   A. Upright
   B. Inverted
   C. Anything possible
   D. None is correct

3. The pyramid of biomass in a shallow pond ecosystem is:

   A. Inverted
   B. Upright
   C. Rhomboidal
   D. Liver

4. The pyramid of biomass in a forest ecosystem is:

   A. Upright
   B. Inverted
   C. Rhomboidal
   D. Linear

5. The pyramid of biomass in a parasitic ecosystem is:

   A. Upright
   B. Inverted
   C. Linear
   D. Rhomboidal

6. In an upright pyramid of biomass, the herbivores occupy the position:

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

7. The pyramid that cannot be inverted in a stable ecosystem is the pyramid of:

   A. Energy
   B. Number
   C. Biomass
   D. All of these

8. When the number of organisms at successive levels are plotted, they assume the space of a pyramid. This is called the pyramid of:

   A. Energy
   B. Number
   C. Biomass
   D. Both (a) and (c)

9. 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

10. 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