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How many stages are there in the Life Cycle of a Silkworm?   What Are Fibers and How Do They Work?   A material comprised of continuous and thin strands is called “Fiber”.  There are two kinds of fibres: natural and synthetic. Man-made fibres differ from natural fibres in that they are derived from plants and animals. Synthetic fibres are the most common type of fibre. Natural fibres such as cotton and silk are examples of natural fibres, while synthetic fibres such as nylon and polyester are examples of synthetic fibres. Silk is a type of animal fiber that is made from silkworms (Natural Fiber). Silkworms are used to spin silk and are often raised for silk processing. History of Silk Silk was discovered in China around 3500 BC. Silk was once widely traded and exported to various parts of the globe. Manufacturers can now produce various varieties of silk from different silkworms based on texture and luster thanks to new growth and technological advancement. Mulberry silk is the most co

Plant Cells – Definition, Diagram, Structure & Function   In all organisms, the cell is the essential unit of life. Plants, like humans and animals, are made up of several cells. Around the plant cell, there is a cell wall that helps the plant cell maintain its form. Other organelles exist in addition to the cell wall and are associated with various cellular activities.   What is a Plant Cell? “Eukaryotic cells with a true nucleus that carry out certain specific functions along with specialized structures called organelles.” Plant cells differ from other eukaryotic species in many main ways. Plant and animal cells both have a nucleus, as well as other organelles. One of the distinguishing features of a plant cell is the presence of a cell wall outside of the cell membrane.   Diagram of a Plant Cell   The plant cell is rectangular in shape and is slightly larger than the animal cell. Plant and animal cells are both eukaryotic and have a few cell organelles in common, but plant cells

What are Road Safety Rules and Traffic Signs in India?   Highways and transportation have become an integral part of life for everyone in today's world. Anyone who uses the road in any way is a road user. While the modern mode of transportation has shortened distances, it has also increased the risk of death on the other hand. Every year, road accidents claim the lives of thousands of people and cause serious injury to millions more. Every year, approximately 1.3 million people die and 20-50 million people are injured on the world's roads. Road traffic deaths are a significant cause of death in all age groups, and they are the leading cause of death for children aged 5 to 29 years and young adults. The risk of dying in a traffic accident is more than three times higher in low-income countries than in high-income countries. Each year, approximately 80,000 people are killed in road accidents in India, accounting for 13% of all fatalities worldwide. The driver of the car plays an

BODMAS RULE & BODMAS FULL FORM AND EXAMPLES BODMAS RULE , FULL FORMAT, AND EXAMPLES – In mathematics, the BODMAS Rule is the series that is used to solve mathematical equations and operations. An order of mathematical operations is what it's called. This rule applies when more than one mathematical operation is used in a single ope ration. The BODMAS Rule makes it easy for kids to solve math problems. Brackets, Orders, Division/Multiplication, and Addition/Subtraction are all abbreviations for BODMAS Full Form. Add, subtract, multiply, divide, squaring, and other “mathematical operations” are examples. If the value in a mathematical expression isn't a number, it's most likely an operation. When confronted with a mathematical problem containing multiple operations, the operations will be solved in the order specified by the BODMAS Law.   BODMAS FULL FORM: B – Bracket () {} [] O- Order of power and roots or exponents D- Divide M- Multiply A- Addition S- Subtraction   Each

Newton’s Law of Universal Gravitation   According to legend, an apple dropped on Newton's head as he was sitting under an apple tree, prompting him to think of the "Universal Law of Gravitation." This is almost certainly not valid in its details, as it is in all such ways, but we will nowaddress what actually happened.   What really happened with Apple?   he more accurate version of the storey is that Newton started to think along these lines after seeing an apple fall from a tree: Since the apple's velocity varies from zero as it hangs from the tree and moves toward the earth, it is accelerated. As a result, Newton's 2nd Law dictates that there must be a force acting on the apple to induce this acceleration. Let's call this force "gravity," and the resulting acceleration "gravitational acceleration." Then multiply the height of the apple tree by two. Again, we expect the apple to be accelerated toward the earth, implying that the force we

CBSE & NCERT Maths Worksheet for class 1 Free Worksheet for Class 1 Maths:  Our free online mathematics worksheets are a great way for first-graders to study and practise math. Introduce and study addition and subtraction fact families for first graders with these free and printable mathematics worksheets.   This free printable 1st-grade mathematics worksheet can help your child practise math skills. To help your child understand addition and subtraction, use a free printable mathematics worksheet for first grade.   This entertaining first-grade math worksheet illustrates how additions, multiplication, division, and subtractions of numbers work in practice. 1. What comes after:    a. 89 ______   b. 30 ______   c. 56 ______   d. 9 ______     2. What comes before :   a. _____99   b. _____64   c. _____55   d. _____98   3. Addition   a. 55 + 57 =   b. 35 + 17 =   c. 22 + 10 =   d. 63 + 23 =     4. What comes between :    a. 55 ______ 57   b. 90 ______92   c. 70 ______72   d. 99 ______