Which of the following representations shows the pyramid of numbers in a forest ecosystem?

The upright pyramid of number is absent in      
1. Pond
2. Forest
3. Lake
4. Grassland

Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels?                                                 

The accompanying figure represents an ecological pyramid. It is

Which of the following is not used for construction of ecological pyramids  
1. Fresh weight
2. Dry weight
3. Number of individuals
4. Rate of energy flow

If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?                                                                        
plant → mice → snake → peacock
1. 0.02 J
2. 0.002 J
3. 0.2 J
4. 0.0002 J

What type of ecological pyramid would be obtained with the following data?
Secondary consumer : 120 g
Primary consumer : 60 g
Primary producer : 10 g
1. Inverted pyramid of biomass
2. Upright pyramid of biomass
3. Upright pyramid of numbers
4. Pyramid of energy

Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
1. Its base is broad
2. It shows energy content of different trophic level organisms
3. It is inverted in shape
4.It is upright in shape

In an ecosystem which of the following can never by inverted?
1. pyramid of numbers
2. pyramid of energy
3. pyramid of biomass
4. all can be inverted