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Tag Archives: Free NCERT Online Solutions

NCERT 5th Class (CBSE) Social Science: Natural Disasters

Natural Disasters

Question: What is a disaster? Answer:  Disaster us a calamity often causing sudden, widespread and serious damage to life and property. Earthquakes, Tsunamis, Volcanic eruptions, Floods, Droughts, Cyclones, Landslides and Forest fires are forms of natural disasters. Question: How does an earthquake occur? Answer: Earthquakes are violent vibration or tremors ...

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NCERT 5th Class (CBSE) Social Science: How to Conserve our Environment

Environment

Question: How is imbalance created in nature? Answer: Due to the misuse of natural resource by humans imbalance is created in nature. Question: What is conservation? Answer: Conservation is the protection of the natural environment which includes plants, animals, habitats and natural resource. It means prevention of loss, waste, damage and ...

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NCERT 5th Class (CBSE) Social Science: Communication and Modern Techniques

NCERT 5th Class (CBSE) Social Science: Communication and Modern Techniques

Question: How has communication developed over the years? Answer: Communication has developed over the years as many technologies like mobile phone, internet etc have been developed by which people who live far away can communicate with each other. Question: How can you categorize the mean of communication? Answer: Means of communication: ...

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NCERT 7th Class (CBSE) Social Science: State Government

NCERT 7th Class (CBSE) Social Studies: State Government

Question: Why is the legislative council called a permanent body? Answer: The legislative council is called a permanent body because it cannot be dissolved. Every second year one-third of its member who complete their term retire. Question: How are representatives to the Vidhan Sabha elected? How have the territorial constituencies ...

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NCERT 7th Class (CBSE) Social Science: The Sultanate Period

NCERT 7th Class (CBSE) Social Science: The Sultanate Period

Question: Who was Raziya Sultan? Why did the nobles oppose Razia? Answer: Raziya Sultan was daughter of Shams-ud-din Iltutmish who succeeded her father. Nobles and Ulema could not accept Raziya as Sultan as they founded humiliating to work under her. Question: Name two Persian customs introduced by Ballan. Why were ...

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NCERT 7th Class (CBSE) Science: Acids, Bases and Salts

NCERT 7th Class (CBSE) Science: Acids, Bases and Salts

Question: Acids are not stored in metal containers. Why? Answer: Acids can corrode metals like aluminium and iron due to their corrosive nature. That is why acids are stored in glass containers and not in metal containers. Question: Why do different substances have different tastes? Answer: Different substances have different tastes ...

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NCERT 7th Class (CBSE) Science: Acids, Bases and Salts – Quiz

NCERT 7th Class (CBSE) Science: Acids, Bases and Salts

NCERT 7th Class (CBSE) Science: Acids, Bases and Salts – Quiz 31 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Acids, Bases and Salts – Quiz: Acids: Substances that taste sour. Organic Acid: Acids that are naturally obtained from plant and animal sources. Mineral Acid: Acids that are derived from ...

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NCERT 7th Class (CBSE) Science: Heat and Temperature

NCERT 7th Class (CBSE) Science: Heat and Temperature

Question: What is heat? Answer: Heat is a form of energy, entry or exit of which correspondingly increases or decreases internal energy of a body when no work is done on the body or by the body. Question: What is temperature? Answer: The degree of hotness and coldness of a body is called temperature of body. Thermometer ...

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