Environmental Science MCQ Questions and answers | EVS MCQ

The concept was first introduced by Charles Elton, the pioneer British Ecologist. The bottom of an ecological pyramid is the broadest and is occupied the producers, which form the first trophic level.

In India, the practice of clearing and burning the forest area for cultivation is known as jhum or jhoom. Slash-and-burn can be part of shifting cultivation, an agricultural system in which farmers routinely move from one cultivable area to another.

Growing agricultural crops between planted trees are one of these procedures to avoid the land crisis in the India. This process is also known as the taungya farming.In this farming ,the farmers plant crops between the forest plantation rows.

In India, the practice of clearing and burning the forest area for cultivation is known as jhum or jhoom. Slash-and-burn can be part of shifting cultivation, an agricultural system in which farmers routinely move from one cultivable area to another.

Over 500,000 people were exposed to methyl isocyanate (MIC) gas. The highly toxic substance made its way into and around the small towns located near the plant.

Approximately, 50% of total world species are present on tropical rain forest.

The tropical rainforest has highest annual net primary productivity (9000 K cal / m² / yr).

Pressure is defined as the force exerted on a surface divided by the area over which that force acts.

Sedimentation is the tendency for particles in suspension to settle out of the fluid in which they are entrained and come to rest against a barrier. This is due to their motion through the fluid in response to the forces acting on them: these forces can be due to gravity, centrifugal acceleration, or electromagnetism.

Coal workers' pneumoconiosis (CWP), also known as black lung disease or black lung, is caused by long-term exposure to coal dust. It is common in coal miners and others who work with coal. It is similar to both silicosis from inhaling silica dust and asbestos dust.