Reading Comprehension all notes for NTA UGC NET JRF
Reading Comprehension Hello friends you can complete RC within 2 hours Steps: visit 1st 2 video lessons from link given below Then try to solve RCs on this page as these are without answers write down your answers and then match from lessons given at end of this page Review the course as you completed […]
The Earth’s Great Spheres | NTA UGC NET | Paper 1
The Earth’s Great Spheres Lithosphere- The lithosphere contains all of the cold, hard solid land of the planet’s crust (surface), the semi-solid land underneath the crust, and the liquid land near the center of the planet Hydrosphere- The hydrosphere contains all the solid, liquid, and gaseous water of the plane Biosphere– The […]
Different types of pollutions | NTA UGC NET | Paper 1
Different types of pollutions are as follows: Air pollution Water pollution Terrestrial pollution Noise pollution Radiation pollution Thermal pollution Industrial pollution General Effects of Pollution: (i) Effect on Plants: Photochemical smog’s, sulphur–dioxide (obtained from copper and lead smelter) and hydrogen fluoride (obtained from fertiliser manufacturing and aluminum reduction) cause injury to the plants and […]
Agents Causing Pollution | NTA UGC NET | Paper 1
Agents Causing Pollution: Depending upon the nature of the pollutants and their interaction with environment process, the pollution caused by different agents can be classified into the following categories: (a) Pollution caused by solid wastes. (b) Pollution caused by liquid wastes. (c) Pollution caused by gaseous wastes. (d) Pollution caused by […]
Degradable pollutants or Bio-degradable Pollutants Paper 1
Degradable pollutants or Bio-degradable Pollutants (Odum 1971): These are natural organic substances which can be decomposed, removed or consumed and thus, reduced to acceptable levels either by natural processes like biological or microbial action or by some engineered systems, like sewage treatment plants. The degradable pollutants can be further sub–divided into two categories: People and […]
Secondary Pollutants | NTA UGC NET | Paper 1
Secondary Pollutants: The pollutants develop as a result of interaction of primary pollutants and environmental constituents. They are generally oxidizing. They are more toxic. Secondary pollutants show synergism. They are modified products (iii) From the ecosystem point of view, i.e., according to their natural disposal, pollutants are of two […]
Classification of Pollutants | NTA UGC NET | Paper 1
Classification of Pollutants Classification of Pollutants: The classification of pollutants is done from different points of view: (i) Depending upon their existence in nature pollutants are of two types, namely quantitative and qualitative pollutants. (a) Quantitative Pollutants: These are those substances normally occurring in the environment, who acquire the status of a pollutant […]
