CBSE Class Notes Online – Classnotes123
CBSE Class Notes and Question Answers Online – Classnotes123
Breathing Definition Breathing is the process by which air rich in oxygen is taken inside the body of human being and air rich in carbon dioxide is expelled from the …
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What are salivary glands? The salivary glands are located in front of the ears, under the chin in the floor of the mouth and throughout the palate, mouth and pharynx. …
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Digestion is the process in which complex and large components of food are broken down into their respective simpler and smaller forms with the help of various types of digestive …
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Gastric glands which are found on the wall of the stomach releases digestive juices containing Hydrochloric acid. Hydrochloric acid plays following important roles in the process of digestion It maintains …
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Features Autotrophic nutrition Heterotrophic nutrition Definition Autotrophic nutrition is that mode of nutrition in which an organism makes its own food . Heterotrophic nutrition is that mode of nutrition …
Read MoreFour basic processes that are essential for maintaining life are Nutrition-it is the process of transfer of energy source from outside to the body of living organisms, providing energy necessary …
Read MoreThe different criteria that can be used to decide whether something is alive are the various features of living organisms which are as follows:- Movement Growth and development Metabolism Nutrition …
Read MoreQuestion 1 one of the following does not happen during a chemical reaction. This is Breaking of old chemical bonds and formation of new chemical bonds Formation of new substances …
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We apply Paint on Iron articles to prevent it from corrosion. Corrosion is a type of Oxidation reaction in everyday life due to which open surfaces of the metals like …
Read MoreWhat is Decomposition Reaction and Combination Reaction? In a decomposition reaction, a single reactant breaks down to form two or more products. On the other hand in combination reactions two …
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