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Posted by Saurav Chaudhary 7 years, 6 months ago
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Sriram Sriram 7 years, 6 months ago
Yogita Ingle 7 years, 6 months ago
Auto means self and trophos means nourishment. Plants are called autotrophs because they make their food themselves. The making of food for themselves is called the Autotrophic nutrition. Autotrophic nutrition is found in green plants, and in some bacteria. All green plants, such as grass, mango, bougainvillea, etc. are the examples of autotrophs. Some bacteria also show autotrophic nutrition.
Posted by Milind Srivastava 5 years, 9 months ago
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Posted by Jisan Choudhury 7 years, 6 months ago
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Konkana Bhattacharjee 7 years, 6 months ago
Posted by Harshita Wason 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
Many important forest produce are useful for us. Some examples are given below:
- Firewood and dry leaves are used as kitchen fuel in villages which are close to a forest.
- Timber is an important raw material; for construction activities and for making furniture and artifacts.
- Wood pulp is used in manufacturing paper.
- Honey, kendu leaves, catechu, lac, raisin, etc. are important forest produce.
- Many medicinal plants and herbs are found in forests.
Posted by M S K Prathiba 7 years, 6 months ago
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Posted by M S K Prathiba 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
The grass eating animals chewing continuously even where they are not eating grass. They store the grass in a separate part of the stomach. This part is called rumen. Here the food gets partially digested and is called cud. Later the cud return in the mouth and animal chews it again. This process is called rumination and the animals are called ruminants.
Posted by M S K Prathiba 7 years, 6 months ago
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Pranav Joshi 7 years, 6 months ago
Posted by Anirudh Anirudh 7 years, 6 months ago
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Konkana Bhattacharjee 7 years, 6 months ago
Posted by Piryamvada Wahatule 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
Uniform motion is defined as the motion of an object in which the object travels in a straight line and its velocity remains constant along that line as it covers equal distances in equal intervals of time, irrespective of the length of the time.
Posted by Attri Saha 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
Neutral solution: The substances which are neither acidic, nor basic are called neutral substance. The solutions which do not change the colour of either red or blue litmus are known as neutral solutions.
Examples - sugar solution, distilled water, salt etc.
Posted by Surbhi Bisne 7 years, 6 months ago
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M S K Prathiba 7 years, 6 months ago
Posted by Ritul Gupta 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
Crystallisation is a process that separates a pure solid in the form of its crystals from a solution. The crystallisation method is used to purify solids. It is a physical change. For example, the salt we get from sea water can have many impurities in it. To remove these impurities, the process of crystallisation is used.
Posted by Ajay Sha 7 years, 6 months ago
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Aashna Katyal 7 years, 6 months ago
Posted by Ravinder Singh 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
There are three units which are used to measure the temperature: Degree Celsius, Fahrenheit and Kelvin.
Degree Celsius: Degree Celsius is written as °C and read as degree Celsius or simply Celsius. For example 20°C; it is read as twenty degree Celsius.
Fahrenheit: Fahrenheit is written as °F and read as degree Fahrenheit. For example 25°F; it is read as twenty five degree Fahrenheit.
Kelvin: The Kelvin (K) is the SI unit of temperature. Kelvin is written as K. For example 100K; it is read as hundred Kelvin
Posted by Vipin Maan 7 years, 6 months ago
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Posted by Aastha Goswami 7 years, 6 months ago
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Posted by Ramneet Bal 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
Substances expand or get bigger when they are heated up. Gases expand more than solids and liquids because, when solids are heated and form liquids and liquids form gases then the state of these is the lightest and most expanded and if more heated will expand faster.
Posted by Madhuri Chaudhari 7 years, 6 months ago
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Yogita Ingle 7 years, 6 months ago
A material which is available in the form of thin and continuous strand is called fibre. Fabric is made of fiber.
Woven, textile materials are called as fabrics which resembles the woven cloth. Example of some fabrics are blankets, bed sheets, table-cloth, towels and curtains. Yarns are used to make fabric.
Posted by Rahul You Raj 7 years, 6 months ago
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Posted by M Prashamsa M Prashamsa 7 years, 6 months ago
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Meghna Thapar 5 years, 10 months ago
Towards the end of 19th century, scientists were successful in obtaining fibre having similar properties to that of silk. This fibre was called rayon. Thus, it is regarded as artificial silk. Rayon is a man-made fibre prepared from a natural raw material called cellulose by chemical treatment. It is obtained by the chemical treatment of wood pulp.
Posted by Abhay Yadav 7 years, 6 months ago
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Drishti Kejriwal 7 years, 6 months ago
Posted by Rucha Gajbhiye 7 years, 7 months ago
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Celestina Burh 5 years, 9 months ago
Posted by Manish Yadav 7 years, 7 months ago
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Posted by Dhruv Devde 7 years, 7 months ago
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Isha Malhotra 7 years, 6 months ago
legumes have bacteria on the nodules which are on the roots of the plant. The bacteria on the nodules takes nitrogen from the air and fixes it into the soil, so that other plants that require nitrogen can use it as well. This helps in maintaining the fertility of the soil.
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