Science Questions

Which ecological concept explains why there are usually no more than 4 or 5 trophic levels in a food chain?

What is the main difference between a food chain and a food web?

Which of the following is true regarding 'Secondary Succession'?

Identify the 'Inverted Pyramid of Biomass' which is characteristic of:

The Gause's Principle of 'Competitive Exclusion' states that:

Calculate the energy at the 4th trophic level if the sun provides 1,000,000 J of energy and producers capture only 1% of it.

Which of these is a density-independent factor limiting population growth?

In a pond ecosystem, 'Zooplankton' occupy which trophic level?

What is 'Ecological Efficiency'?

Which of the following is an example of an 'endemic species' of Nepal?

In an ecological pyramid, 'Saprophytes' are generally:

The carrying capacity of a population is determined by its:

Which zone of the atmosphere is also known as the 'ozonosphere'?

The 'Greenhouse Effect' is actually beneficial because it:

What is the result of 'Algal Bloom' in water bodies?

Which of the following describes 'Protocooperation'?

The Red Data Book is maintained by:

A 'Seraphic' community refers to:

The phosphorus cycle is different from the nitrogen cycle because it does not involve:

Which of the following is an example of an 'Epiphyte'?