What is a Cryptarithm? A cryptarithm is a mathematical puzzle in which letters or symbols are used in place of digits. The aim is to find the digit represented by each letter so that the given mathematical calculation becomes correct. Cryptarithms are also known as letter-number
Read More
SECTION–A: MULTIPLE CHOICE QUESTIONS (MCQs) (10 questions × 1 mark = 10 marks) Exchange of gases in Amoeba takes place by:a) gills b) lungs c) simple diffusion d) spiracles The process of taking in air
Read More
1. The Mughal Empire The Mughals ruled a very large part of the Indian subcontinent. This region had many different people and cultures. Earlier rulers could control this area only for short periods, but the Mughals created a stable empire. From the late sixteenth century, they
Read More
1. What is a Forest? A forest is a large area of land covered with trees, plants, and wildlife. It forms a natural ecosystem that includes both living and non-living things. 🌿 Living Components (Biotic): Trees, shrubs, herbs, grasses, animals, birds, insects, microorganisms. ☀️ Non-living Components
Read More
🌟 Why Plants and Animals Need a Transportation System? All living beings need food, oxygen, and water to survive. These must reach each cell of the body for proper functioning. A transport system delivers nutrients, gases, and removes wastes. Animals use blood and vessels, plants use
Read MoreThe Taste Behind Food: Acids & Bases Ever wondered why lemons taste sour or soap feels bitter? It’s due to the presence of acids and bases in them. Acids Acids are substances that release hydrogen ions (H⁺) when dissolved in water. They usually taste sour. They
Read More
