Science

NCERT 5th Class (CBSE) Science: Animals – Habitat and Adoption – Quiz 15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Animals – Habitat and Adoption – Quiz: Animals that live in a particular habitat share some common adaptations. Body coverings like fur, feathers, scales and shells protect …

NCERT 5th Class (CBSE) Science: Safety and First Aid – Quiz 15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Safety and First Aid – Quiz: Fire accidents can happen due to careless. Fires that are caused by electricity and fuels should not be put out using water. …

NCERT 5th Class (CBSE) Science: Food and Health – Quiz 15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Food and Health – Quiz: A balanced diet is necessary food health. Carbohydrates and fats gives us energy, while proteins help to repair the worn-out tissues of our body. …

NCERT 5th Class (CBSE) Science: Growing Plants – Quiz 13 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Growing Plants – Quiz: Plants are very useful to us. New Plants can be grown from seeds. Germination is the process of conversion of a seed into a seedling. A …

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 …

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 …

NCERT 7th Class (CBSE) Science: Heat and Temperature – Quiz 30 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Heat and Temperature – Quiz: Heat: A form of energy that flows from hot object to a cold object. Temperature: The degree of hotness or coldness of an object. Conduction: The transfer …

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 …

NCERT 7th Class (CBSE) Science: Chemical and Chemical Changes – Quiz 28 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Chemical and Chemical Changes – Quiz: Physical Change: A physical change is a change in which no new substance is formed. Chemical Change: Those changes in which new substances are …

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 …