For the aspirants of IAS Exam 2016, it is very important to choose such readings which are more informative as well as less exhaustive to study. The textbooks provided by NCERT are of such kind which contains a complete package of any stream. Such textbooks are very important for the aspirants who are engaged in preparing for various competitive exams. The aspirants of IAS Exam always faces challenges to complete their given syllabus of respective exams, so, NCERT textbooks have been proved as better tools for the IAS Exam Preparation.
Chapter 1: ENVIRONMENT
After the long vacation, when Ravi started going to school again, he noticed that the only playground next to his school was dug up. People said that a huge building with many flats will be constructed there. Ravi was almost in tears, when he realised that the big playground with its soft grass, marigolds and butterflies is gone forever. He shared his feelings with his classmates. In the assembly, the Principal too sadly observed, “See how our environment is changing.”
Chapter 2: INSIDE OUR EARTH
The earth, our homeland is a dynamic planet. It is constantly undergoing changes inside and outside. Have you ever wondered what lies in the interior of the earth? What is the earth made up of?
Chapter 3: OUR CHANGING EARTH
The lithosphere is broken into a number of plates known as the Lithospheric plates. You will be surprised to know that these plates move around very slowly – just a few millimetres each year. This is because of the movement of the molten magma inside the earth. The molten magma inside the earth moves in a circular manner as shown in the activity.
Chapter 4: AIR
Our earth is surrounded by a huge blanket of air called atmosphere. All living beings on this earth depend on the atmosphere for their survival. It provides us the air we breathe and protects us from the harmful effects of the sun’s rays. Without this blanket of protection, we would be baked alive by the heat of the sun during day and get frozen during night. So it is this mass of air that has made the temperature on the earth liveable.
Chapter 5: WATER
When you think of water, what images come to your mind? You think of rivers, the waterfalls, the pitter patter of raindrops, water in your taps... Children love to float paper boats in rain puddles. By noon the puddles vanish. Where does the water go?
Chapter 6: NATURAL VEGETATION AND WILD LIFE
People are a nation’s greatest resource. Nature’s bounty becomes significant only when people find it useful. It is people with their demands and abilities that turn them into ‘resources’. Hence, human resource is the ultimate resource. Healthy, educated and motivated people develop resources as per their requirements. Human resources like other resources are not equally distributed over the world. They differ in their educational levels, age and sex. Their numbers and characteristics also keep changing.
Chapter 7: HUMAN ENVIRONMENT- SETTLEMENT, TRANSPORT AND COMMUNICATION
In Chapter 1 you have learnt that early human beings depended entirely on nature for food, clothing and shelter; but with time they learnt new skills to grow food, build homes and develop better means of transport and communication. In this way they modified the environment where they lived.
Chapter 8: HUMAN ENVIRONMENT INTERACTIONS- THE TROPICAL AND THE SUBTROPICAL REGIONS
Renuka was excited. Shrikant Uncle was home after a gap of nearly four months. He was a wildlife photographer and travelled widely. Renuka’s interest in wildlife and forests began at an early age, when her uncle introduced her to books on nature. Pictures of distant lands and people, who lived there, always fascinated her.
Chapter 9: LIFE IN THE TEMPERATE GRASSLAND
Just as a forest can be defined as the place where trees are the main type of vegetation, grassland can be defined as a region where grasses form the dominant type of plant life. Grasslands make up almost a quarter of the total land surface. The types of plants that grow here greatly depend on what the climate and soil are like. As climate plays an important role in the formation of grasslands, it is generally used as a basis to divide the world’s grasslands into two broad categories: those that occur in the temperate region and those that occur in the tropical regions.
Chapter 10: LIFE IN THE DESERTS
In Chapter 5, you have seen that water means life to plants, animals and people. It is difficult for anyone to live in places where there is no water to drink, where there is no grass for their cattle to feed on and where there is no water to help the crops to grow