Pyramid of Biomass

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

1. Desert
2. Ocean
3. Tundra
4. Rainforest

Q. In an aquatic ecosystem, pyramid of biomass is.

1. inverted
2. squared
3. upright

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

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

Q. In which of the following does the pyramid of numbers appears as inverted pyramid?

1. Grassland ecosystem
2. Pond ecosystem
3. Tree ecosystem
4. Forest ecosystem

Q. Biomass is the product of mass of living organisms and their in an ecosystem.

1. weight
2. energy
3. number

Q. In a pond ecosystem, the pyramid of biomass is____.

1. upright
2. spindle shaped
3. inverted
4. both inverted and upright

Q.

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

1. Level PC is rats and level SC is cats
2. Level PC is insects and level SC is small insectivorous birds
3. Level PP is phytoplanktons in sea and whale on top level TC
4. Level one PP is pipal trees and level SC is sheep

Q. What is at the bottom of a biomass pyramid?

1. Producers
2. Decomposers
3. Primary consumers
4. Tertiary consumers