GE8291 important questions Environmental Science and Engineering

GE8291 important questions Environmental Science and Engineering important questions for regulation 2017 Anna University.

The Environmental Science and Engineering important questions are provided in PDF format in this page.

Sample for GE8291 important questions with answers:

What are the threats to the Indian biodiversity?
Threats to Indian biodiversity- deforestation, destruction of wetlands, habitat
fragmentation, raw material, production of drugs, illegal trade and developmental
activities.

India as Mega diversity nation – Account.
India is one among the 12mega-diversity countries in the world. It has
89,450 animal species accounting for 7.31% of the global faunal species and
47,000 plant species which accounts for 10.8% of the world floral species. The
loss of biodiversity is about 33%.

Mention the abiotic components.
The non-living components of an ecosystem called abiotic components.
Examples: climate, soil, water, air, energy, nutrients, etc.

Mention the effects of solid waste.
Spreading of fungal diseases; Bad odours; Burning of waste produce
chemicals which are harmful to human life; Contaminates water & Affects the
characteristics of soil .

What are the harmful effects of land degradation?
Harmful effects of land degradation. – Soil structure and texture are deteriorated,
loss of soil fertility due to loss of valuable nutrients, increase in water logging,
salinity, alkalinity, acidity problems.

What is desertification? Give any two reasons for it?
Desertification is a progressive destruction or degradation of arid or
semiarid lands to desert. Desertification is characterized by DE vegetation,
depletion of ground water, salination and soil erosion.

Define sustainable development.
Sustainable development is defined as, “meeting the needs of the present without
compromising the ability of future generation to meet to meet their own needs”.

What are objectives of family welfare programme?
Slowing down the population explosion by reducing the fertility.
Due to pressure, over exploitation of natural resources reduced.