List of top Science Questions on Ecology and Environment asked in Bihar Board X

What is the role of decomposers in the ecosystem?
Which of the following is a natural resource?
Which of the following is a forest-based industry?
We can get iodine in adequate quantity from which of the following?
Which of the following is responsible for the depletion of the ozone layer?
‘Ahar and Pyne’ is the water harvesting system of which state?
Which gas is not released when fossil fuels are burnt?
The correct food chain is
Which disease may primarily be caused in humans by ultraviolet (UV) rays of the Sun?
Which of the following is an artificial ecosystem?
What is a food chain? Explain it with an example.
What is bio-magnification?
Ozone layer protects earth from which harmful radiation?
The tiger is a consumer of:
Depletion of ozone layer is due to:
The tiger is a consumer of
The flow of energy in an ecosystem is:
The molecular formula of ozone is:
How many trophic levels are there in a forest ecosystem?
Which is an example of a decomposer?
Which of the following is/are a part of environment?