There are both advantages and disadvantages of state control over education which may be discussed as follow: 1. State provides adequate funds for expansion as well as qualitative improvement of education. Education will face economic difficulty in absence of the state support.
The term 'over-population' is relative. In a primitive rural economy, the people wanted children in order to have more hands to work on the field. The larger the number of workers, the greater the production, and the more the earning for having enough food for all; a large population was not a problem.
Due to large increase in hum population and due to technological revolution the various natural resources are being consumed at a very rapid rate. This over-exploitation of natural resources is disturbing the environment in many ways.
During prophase I of melosis, a part of chromatid of one chromosome goes over to a chromatid of the other chromosome and vice versa. This interchange of the parts of the chromatids of a pair of homologous chromosomes is known as crossing over.
Some of the important advantages and disadvantage of Fertilizers over Manures :- Chemical fertilizers have smaller bulk and hence are easy to store, transport and apply