Assignments and Notice

  1. What is the value of 48÷6+7×3 ? A. 29 B. 35 C. 21 D. 45 2. Simplify:      5(2x−3)+4 A. 10x+11 B. 10x−11 C. 7x−3 D. 10x−7 3. A shopkeeper gives a 20% discount on a jacket costing Rs. 2500. What is the discount amount? A. Rs. 250 B. Rs. 400 C. Rs. 500 D. Rs. 2000 4. Solve for x : 3x+7=25 A. 5 B. 6 C. 7 D. 8 5. What is the value of : 3/4 + 1/8 A. 1/2    , B. 7/8    , C. 1/4  , D. 5/8 6. The perimeter of a rectangle is 36 cm. If the length is 10 cm, what is the width? A. 6 cm B. 8 cm C. 10 cm D. 16 cm 7. Simplify: 2a+3a−4 A. 5a−4 B. 6a−4 C. 5a+4 D. a−4   8. What is the square root of 144? A. 10 B. 11 C. 12 D. 14 9. Solve: 2(x−3) = 14 A. 5 B. 7 C. 10 D. 14 10. A train travels 180 km in 3 hours. What is its average speed? A. 50 km/h B. 55 km/h C. 60 km/h D. 65 km/h

  Classification of Living Beings Living beings are found everywhere on Earth. Some are very small, like bacteria, while others are very large, like elephants and whales. Scientists study living organisms and group them according to their similarities and differences. This process is called classification. Classification helps scientists identify organisms easily and understand their relationships. Organisms are grouped based on features such as body structure, method of obtaining food, reproduction, and habitat. The five-kingdom system is commonly used to classify living organisms. These kingdoms are Monera, Protista, Fungi, Plantae, and Animalia. The kingdom Monera includes tiny single-celled organisms like bacteria. Protista includes organisms such as amoeba and algae. Fungi includes mushrooms and yeast, which cannot make their own food. Plantae includes all green plants that prepare food through photosynthesis. Animalia includes animals that depend on plants or other an...

  Classification of Living Beings Living organisms are found in great variety on Earth. Some are very small, while others are very large. To study such a huge diversity of organisms easily, scientists classify living beings into different groups based on their similarities and differences. This process is called classification . The branch of biology that deals with the classification of living organisms is known as taxonomy . Carolus Linnaeus is regarded as the father of taxonomy because he introduced the binomial system of naming organisms. Living beings are classified into different hierarchical categories such as kingdom, phylum, class, order, family, genus, and species. Organisms with similar characteristics are placed together. Classification helps scientists identify organisms, understand their relationships, and study evolution. According to the five-kingdom classification system proposed by Robert H. Whittaker, living organisms are divided into five kingdoms: 1. ...