Pisciculture or Fish culture is the process of breeding and rearing of fishes in ponds, reservoirs (dams), lakes, rivers and paddy fields. It is the farming of economically important fishes under controlled conditions. Types of Fish Culture Extensive fish culture Culture of fishes in large areas with low stocking density […]
Horticulture is a branch of agriculture that deals with cultivation of fruits, vegetables and ornamental plants. Horticulture is the science and art of the development, sustainable production, marketing and use of high-value, intensively cultivated food and ornamental plants. They are four main classes of Horticulture✓Pomology (fruit farming)✓Olericulture (vegetable farming)✓Floriculture (flower […]
Apiculture is the rearing of honey bee for honey. It is also called Bee keeping. It is a profitable rural based industry. Honey bees are domesticated by farmers to produce honey. Types of Honey Bee There are three types of individuals in an honey bee colony namely the queen bee, […]
Water cycle or hydrological cycle is the continuous movement of water on earth. In this process, water moves from one reservoir to another by processes such as evaporation, sublimation, transpiration, condensation, precipitation, surface runoff and infiltration, during which water converts itself to various forms like liquid, solid and vapour. Evaporation […]
Phylum Porifera(Pore bearers) These are multicellular, non-motile aquatic organisms, commonly called as sponges. Body is perforated with many pores called ostia. Water enters into the body through ostia and leads to a canal system. It circulates water throughout the body and carries food, oxygen. The body wall contains spicules, which […]
ISS is a large spacecraft which can house astronauts. It goes around in low Earth orbit at approximately 400 km distance. It is also a science laboratory. Its very first part was placed in orbit in 1998 and its core construction was completed by 2011. It is the largest man-made […]
Sun and the celestial bodies which revolve around it form the solar system. It consists of large number of bodies such as planets, comets, asteroids and meteors. The gravitational force of attraction between the Sun and these objects keep them revolving around it. The Sun The Sun is a star […]
Why do we need clothes? Clothes keep us warm in winter and cool in summer.In summer, we wear clothes made of cotton. In winter, we wear clothes made of wool or very thick material.During rainy season, we wear raincoats or use umbrellas which are made of different kinds of cloth. […]
When we are careful with fire , electricity and chemicals we will be safe. We have to follow certain simple rules. These rules are called safety rules. Let us see some of the rules to be followed Don’t play with fire Be careful when you have to light a stove […]
When a person is injured, the treatment given immediately is called first aid.First aid can save people who meet with accidents. Everyone has to learn first aid.After giving first aid, the patient must be taken to a hospital. First aid refers to the emergency or immediate care you should provide […]
Political parties are an essential part of democracy. Parties are the link between government and the people. Meaning of Political Party A political party is an organisation formed by a group of people with a certain ideology and agenda to contest elections and hold power in the government. A political […]
Meaning of Democracy Democracy is a system of government in which the supreme power is vested in the people of a country and people elect their representatives either directly or indirectly through fair and free elections, which are usually held periodically. Definition According to Mahatma Gandhi, “True democracy cannot be […]
The major indicators to measure the level of economic development are✓Net National Product (NNP)✓Per Capita Income (PCI)✓Purchasing Power Parity (PPP)✓Human Development Index (HDI) Net National Product The Net National Product (NNP) is considered as a true measure of national output. It is also known as national income. A rise in […]
The governance of nations differs significantly based on who has power. There are different forms of government.✓Aristocracy✓Monarchy✓Autocracy✓Oligarchy✓Theocracy✓Democracy✓Republic Aristocracy A form of government in which power is in the hands of a small previleged ruling class (nobels).Example: United Kingdom, Spain Monarchy A system of government in which one person reigns supreme, […]
A volcano is a vent or an opening on the surface of the Earth crust, through which hot solid, liquid and gaseous materials (Magma) erupt out to the surface from the Earth’s interior. Magma rises up and ejects on the surface as Lava. Volcanoes are also formed when plates move […]
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