- Environment is our basic life support system.
- Environment provides us air, water, food and land.
- Define environment.
Ans. The place, people, things and nature that surround any living organism is called environment. - Environment is a combination of natural and human made phenomena.
- Natural environment refers to both biotic and abiotic conditions existing on the earth.
- Human environment refers to the activities and creations of human beings and the interactions among the human beings.
- Environment is derived from a French word environer / environner which means 'neighbourhood'.
- Land, water, air, plants and animals comprise the natural environment.
- The solid crust or the hard top layer of the earth is called lithosphere.
- Lithosphere is made up of rocks and minerals and is covered by a thin layer of soil.
- Various landforms like mountains, plateaus, plains, valleys etc are present in the lithosphere.
- Where are the landforms found?
Ans. Landforms are found over the continents and on the ocean floors. - Which domain of the earth provides grasslands, forests, lands for agriculture and human settlements?
Ans. Lithosphere - Which domain is a source of mineral wealth?
Ans. Lithosphere - The domain of water is referred to as hydrosphere.
- What does hydrosphere comprise of?
Ans. Hydrosphere comprises of various water sources and different types of water bodies like rivers, lakes, seas, oceans etc. - The atomosphere is a thin layer of air that surrounds the earth.
- The gravitational force of the earth holds the atmosphere around it.
- Which domain protects us from harmful rays and scorching heat of sun?
Ans. Atmosphere - What does the atmosphere consist of?
Ans. Atmosphere consists of a number of gases, dust and water vapour. - What causes / produces changes in the weather and climate?
Ans. Changes in the atmosphere - Plant and animal kingdom together make the biosphere.
- The living world is called the biosphere
- Define biosphere.
Ans. The narrow zone of the earth where land, water and air interact with each other to support life is called biosphere. - What is an ecosystem?
Ans. Ecosystem: the system formed by the interation of all living organisms with each other and with the physical and chemical factors of the environment in which they live and linked by the transfer of energy and material. - World Environment Day is celebrated on June 5 every year.
- All plants, animals and human beings (or all living things) are interdependent on each other.
- The relation between the living organisms and the relation between the organisms and their surroundings form a / an ecosystem.
- A rainforest, grassland, desert, mountains, lake, river, ocean and a pond, all are examples of a / an ecosystem.
- Early humans adapted themselves to the natural surroundings.
- Which are the major components of the environment?
Ans. Natural environment, human-made environment and human environment are the major components of the environment. - Give four examples of human-made environment.
Ans. Buildings, bridges, roads and industries.
Seemantham is a traditional south Indian way of celebrating baby shower. The same is celebrated in north India as 'godbharai' ('god' means lap in Hindi - 'd' in 'god' is pronounced as 'the' and bharai means 'to fill'). The celebration differs from region to region. Seemantham is also known by the names 'poolu mudupu' (i.e adoring flowers in the hair) and 'gajulu todagadam' (i.e wearing glass bangles) in Telugu. It is celebrated in the 5th or 7th or 9th month of pregnancy. Seemantham is one of the 16 Hindu samskaras known as 'simantonnayana' in Sanskrit. It is a samskara of the embryo / foetus that develops in the pregnant woman's womb. Usually, seemantham is celebrated for the 1st pregnancy only and not for the subsequent conceives. There are certain superstitious believes on celebrating the function. In the olden days, people believed that pregnant women are easily prone to 'dishti' or evil e
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