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Tag Archives: NCERT Class 7 Science Solutions

NCERT 7th Class (CBSE) Science: Chemical and Chemical Changes

NCERT 7th Class (CBSE) Science: Chemical and Chemical Changes

Question: Define the following: Valency, Atomicity, Chemical Equation, Rusting, Galvanization, Crystallization. Answer: Definitions are as follows: Valency: The combining capacity of atoms of an element with the atoms of other elements is known as valency. Atomicity: The number of atoms that make up a molecule of an element is known …

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NCERT 7th Class (CBSE) Science: Nutrition in Plants

NCERT 7th Class (CBSE) Science: Nutrition in Plants - Quiz

Question: What is nutrition? Answer: The process of taking in food by an organism and its utilization by the body is called nutrition. There are two types of nutrition: The mode of  nutrition in which organisms make food  themselves from simple substances is called autotrophic nutrition. For example plants. The mode of nutrition in …

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NCERT 7th Class (CBSE) Science: Reproduction in Plants

NCERT 7th Class (CBSE) Science: Reproduction in Plants

Question: List three examples of reproduction in plants through underground roots. Answer: Some plants have underground stems that are swollen to store food and have buds which can grow into new plants. Some examples are: Tubers, bulbs, Rhizome and corm Tubers- For example: Potatoes Bulbs- For example: Onion, garlic, lily, tulip, …

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