science supplies for teachers

The branches of which supply blood to different parts of the body a..

The process of supplying water to crops in the fields by means of canals, reservoirs, wells, river valley systems and river lift systems is known as irrigati..

All living beings require a constant supply of energy for the various functions they perform. The energy is obtained from the su..

Question: Give an example to illustrate how taxonomy is used in biological sciences. Answer: The science of biogeography (geographical distribution of plant and animals) is dependent on information supplied by classification..

Dams have been answer to huge and consistent supply of water and electric power needed for modern agriculture and urban cities. Large dams ensure the storage of adequate water, particularly during lean seasons and they also make available water supply to arid and semi-arid are..

This is a group which has two varieties of plants, an alga and a fungus living in perfect harmony. They co-exist for mutual benefit. This relationship is known as symbiosis. The fungus absorbs water and mineral salts and supplies it to the alga. The alga prepares food and supplies..

Water is a unique and remarkable compound, essential to all forms of life. Human beings and the flora and fauna cannot survive without water on this planet. A large amount of life on this planet is aquatic based i.e., can only survive in water. It is the most abundant substance after air in the ea..

This contains high content of proteins and other nutrients but is low in fibres. These include grains of maize, oats, barley, jowar, gram and by-products of agriculture like wheat bran, rice bran, gram husk, oil seedcakes and molasses. A balanced feed, which contains all the nutrients in the right..

The main aim of this type of forestry is to supply goods and services to meet the local demand for firewood, fodder, food, fertilizers, fibre, timber, medicines etc. It is classified into two types: Social Forestry and Environmental Forestry: Trees which are useful to the tribal people a..

Question: Respiratory surface should be _________. 1. permeable 2. thin 3. richly supplied with blood vessels 4. all the above Answer: ..