What Is Pyramid of Biomass

Q. Which one of the following is not used for construction of ecological pyramids ?

1. Dry weight
2. Number of individuals
3. Rate of energy flow
4. Size of the organisms

Q. What do all ecological pyramids depict?

1. Increase in energy at each trophic level
2. Number of organisms at each trophic level
3. Biomass of organisms at each trophic level
4. Energy flow at each trophic level
5. All of these

Q.

Inverted pyramid of biomass can be traced in which one of the following ecosystems?

1. Rainforest

2. Desert

3. ​​​​​​Ocean

4. ​​​​​​Tundra

Q.

Inverted pyramid of biomass can be traced in which one of the following ecosystems?

1. Rainforest

2. Desert

3. ​​​​​​Ocean

4. ​​​​​​Tundra

Q. Given below is an imaginary pyramid of biomass. Which of these organisms, possibly constitute the different trophic levels?

1. PPs are insects and PCs are small insectivorous birds
2. Level PP is made up of phytoplanktons and level PC constitute small fishes
3. Level PP constitute peepal trees and PCs are sheep
4. Level PP is rats and level PC is cats