Here we are providing 1 Mark Questions for Economics Class 12 Chapter 9 Environment and Sustainable Development are the best resource for students which helps in class 12 board exams.
One Mark Questions for Class 12 Economics Chapter 9 Environment and Sustainable Development
Give two examples of biotic elements.
Examples of biotic elements include air, land, water, etc.
Name any two greenhouse gases.
Carbon dioxide and methane are greenhouse gases.
What causes skin cancer in humans?
Exposure to ultraviolet (UV) radiation causes skin cancer in humans.
Name the important mineral reserves in India.
The important mineral reserves in India are bauxite, copper, chromate, diamonds, gold, lead, lignite,manganese, zinc, uranium, etc. .
List the major contributors to air pollution in urban India.
The major contributors to air pollution in urban India are:
(iii) Thermal power plants
Write two features of sustainable development.
Features of sustainable development are:
(i) It increases real per capita income and quality of life.
(ii) It helps in reducing pollution.
How can solar energy be converted into electricity?
Solar energy can be converted into electricity with the help of photovoltaic cells.