Water that is suitable for drinking is called potable water. Potable water is the water which is filtered and treated properly and is finally... View Article
We should not take medicines/drugs unless agreed by a doctor because some medicines may have adverse side effects on our health. Also, one can... View Article
A wildlife sanctuary is an area where animal habitats and their surroundings are protected from any sort of disturbance. The capturing, killing... View Article
Coal and petroleum are formed from the dead remains of organisms and are known as fossil fuels Coal and petroleum are formed as a result of... View Article
Suspended particulate matter or SPM are fine solids or liquids particles that may be dispersed through the air because of activities like... View Article
When the clothes of a person catch fire, the person is covered with a blanket to extinguish the fire. If the clothes of a person catch fire, he... View Article
Crops are grown under different conditions. There are many factors that affects the crop yield and their growth. Some require high temperature,... View Article
Of course, planting trees and nurturing is also good for the environment. They filter the air, replacing carbon dioxide with fresh oxygen. Trees... View Article
The phenomenon of marble cancer is due to acid rain. i.e. presence of calcium carbonate in the acid rain. The sulphuric dioxide and nitrogen... View Article
Take an iron stand with a clamp and a cotton thread of about 65 cm length. Tie the thread to the clamp so that it hangs freely At the free end,... View Article
Lichens are bioindicators of air pollution. They are highly sensitive to sulphur dioxide (SO2) pollution in air from automobiles and other... View Article
Living organisms carrying the infecting agents from one person to another are called Vectors. Vector is an organism that does not cause disease... View Article
a)Leech Leeches lead a parasitic mode of life, by sucking the blood of vertebrates. The three Jaws, inside the mouth, causes a painless Y... View Article
The biodiversity found in Pachmarhi Biosphere Reserve is indistinguishable from those of the upper Himalayan peaks and all those belonging to the... View Article
Rayon is a type of fibre that can be changed into other fibres easily. Moreover, its properties are similar to that of natural fibres. Rayon has... View Article
Frequency of falling ill depends on the strength of the body’s immune system to fight common pathogens. Due to poor immune system, some... View Article
Hens are oviparous, in which internal fertilisation takes place. The fertilised egg develops into an embryo inside the body. Frogs are oviparous,... View Article