Calender method is also called 'Rhythm method'. In this method, sexual intercourse is undertaken within the safe period only. The method works only to those women with a regular menstruation cycle. Menstruation cycle is the key factor in this .....

Maintaining happiness in the family with the proper use and mobilization of income and other resources is called family management. It includes various works a such as management of income sources, mobilization of the resources, birth of the .....

The provision of equal rights and opportunities for both sexes male and female is called gender equality. Male and female should be equally treated. In other words, the equal treatment and attitude towards the male and female are called gender .....

The process of reducing the growth of population manually and making plans to regulate migration in controlled way is termed as population control. The measures to control population are given below: Birth spacing Age at marriage (delayed .....

The term 'population management' denotes the proper distribution of population according to the availability of natural resources. Unbalanced between the population size and natural resources have created problems. Since the nature of the .....

Foam tablet melts and forms foam which destroys the sperms in the .....

Vas deferens is cut to sterilize the .....

Norplant and femidom are two temporary contraceptive devices for .....

Temporary contraceptive device for male is .....

Rhythm and cervical mucus test are the contraceptive method for .....

Some methods of purification of water are as follows: Storage: Water coming from the sources is stored in a pond or tank. It is a natural process of purifying water from the decantation process, in which dust particles go base level of the .....

Coitus interrupts is the natural contraceptive method for .....

The contraceptive devices are those devices, which prevent the fusion of ovum and .....

Maintaining happiness in the family with proper use and mobilization of income and other resources is called .....

About 7% women get married before 10 years in .....

We get opportunity of learning income generating skills, thus it becomes easy to get .....

The health of mother and son become safe and sound due to birth .....

The management of vehicles can be done in following ways: Old vehicles which emit more smoke should be replaced by new one. Private vehicles should be discouraged and public vehicles should be encouraged. Standard measurement should be .....

Measures to control pollution are as follows: Use of plastics, gases and other non-degradable materials should be reduced. Solid wastes should not be thrown in open place. The harmful solid wastes released from industries and hospital .....

The effects of land pollution are as follows: Polluted land is the source of bad smell, which pollutes its surroundings. Land polluted due to chemical fertilizer and poisons like pesticide is harmful to plants, animals and other through .....

The effects of noise pollution are as follows: It may cause declination in hearing power or permanent hearing loss. In noisy places, we feel mental tension and headache. Noise pollution disturbs our digestive system and sleeping habit .....

When the foreign elements like solid wastes, chemical fertilizer, pesticides are mixed in water, quality of water is degraded which is called water pollution. The chemical and biological pollutants change the property of water. Some of the .....

The effects of air pollution are as follows: While inhaling oxygen, harmful pollutants, enter inside our lungs and causes harmful effects in our body. Smoke and dust emitted from kitchen, vehicles and industries pollute air which cause .....

Some of the causes of air pollution are: The pollution produced from the vehicles as smoke, dust and solid waste pollute air. In rural area, burning of wood, cow dung, stakes of maize emit smokes which pollute the air. Growing .....

Advancement and modernization of human life is due to different types of developmental activities. Environmental pollution means some direct or indirect changes in the components of the environment that degrades and deteriorates the .....

Environmental health is mainly related with human wealth. WHO has defined environmental health as "those aspects of human health and disease that are determined by factors in the environment that guarantee the proper fate of future .....

Land pollution affects the natural setting of land and cultural heritage such as religious heritages, cultural sites, .....

Musical instrument and electronic media played in high volume causes sound .....

The effect of industrial development on environment is excess of solid .....

The addition of any substance to water or changing of water's physical and chemical characteristic in any water which interferes with its use for legitimate purpose is known as water .....

Any substances that are not common component of soil but their presence adversely affect the property of soil is termed as land .....

According to WHO, air pollution may be defined as "limited to situation in which the outer ambient atmosphere contains materials in concentrations which are harmful to human beings and their .....

Noise pollution affects our hearing power. It may cause declination in hearing power or permanent hearing .....

Intensity of sound is measured in decibel .....

The pollution from industries like carbon monoxide causes air .....

Pollutants are the residues of things we make, use and throw .....

Increasing population needs more amounts of food, clothes, shelter and other requirements. People cut down the forest to fulfill many of these requirements. Forest is also being destroyed for the settlement and rehabilitation programmes. Forests are .....

With the increase of population, volume of sound is increases as the result of extension of urbanization, establishment of innumerable industries and factories. In the age of modernization, there are various means of entertainment like radio, .....

Aquatic and terrestrial animals are affected due to environmental degradation because they need fresh environment to survive. They get their basic needs i.e. food, water, air etc. from environment. Terrestrial animals are heavily destroyed by .....

The people above sixty years of age are categorized under ageing. Because ageing population are the groups of physically and mentally retarded and weak people due to the additional time span. Ageing is a law of nature and always continuing. .....

Ageing is the process of changing in physical appearance with the speed of time or being old with mentally and physically weak. The causes of ageing are over work, decrease in strength and power, lack of adaption and adjustment, degradation in .....

The service related with the improvement of physical, mental, and emotional condition of the elderly people is called caring of elderly people. Elderly people are passing their life with great difficulty due to lack of power care, nurture and .....

There are very limited numbers of elderly homes in Nepal for old people. Most of the elderly people are utilized for the development of the family members. So the elderly people are respected in every Nepalese family. Elderly people are living .....

Developed countries are those countries which has high infrastructure. Developed countries have all the resources. Developed countries are very clean. There is no more population in developed countries. Due to its available resources, people are .....

Ageing related disabilities such as raising anxiety, sense of apathy and helplessness have not been recognized as the problems in Nepal and have scarcely received any attention. The reasons are: Families are facing the problem of economy and .....

The economic changes due to ageing are: They are economically dependent upon others. They have no job. They want to donate money to those who are needy. They understand and try to solve the economic problems of peer .....

The social changes due to ageing are: Feeling of insecurity and declined status. Recreation activities increases Religions behavior also gets increased. They become friendly towards kids and animals. The ability of socialization .....

The mental changes noticed at ageing are: At ageing, creativity level may abilities. Decrease in problem solving abilities. Level of amnesia increase i.e. short term memory power becomes weak. Level of understanding decreases. People .....

The physical changes due to ageing are: Ageing decrease the touch sensations. At ageing, test buds become less sensitive. Ageing causes loss of hearing. At ageing the center of balance become less .....

The causes of ageing are given below: Increase in mental tension. Getting sick for a long period. Lack of adjustment and depletion. Degradation in the quality of environment. Decrease in diseases resistance power or immunity power. .....