When a piece of bread is moistened and placed in a warm place for two to three days, it is observed that it has a formation of mould or fungi on its surface.The fungus grows on bread because it is a rich source of sugar and carbohydrates and the fungus ... Read More

Crops: When the same type of plants are grown and cultivated at one place on a large scale commercially, especially fruits, cereals, or vegetables are known as the crops. Based on Season the crops in India are divided into three types: 1. Rabi means "spring" in ... Read More

Given: The Price Of The Storybook increased From Rs 20 To Rs30  To find: The percentage increase in price of the story book Solution:Initial price = $20; Final price = $30Increase in price = $30 - $20 = $10 Percent increase in price =  $\frac{Increase in price}{Initial price}$                                               =  $\frac{10}{20}  \times 100$ = 50%Therefore, the % increase is 50%

There are two types of numbers:Numbers which are a perfect square: Product of an integer with itself. For example, 9*9 = 81.Numbers which are an imperfect square: Multiplying any number with itself. For example, 2.236*2.236 = 5.Finding the square root of an imperfect square is a little more difficult than ... Read More

1.Vitamin A - Vitamin A is also known as retinol because it produces the pigments in the retina of the eye.  It helps to form and maintain healthy teeth, skeletal, soft tissue, mucus membranes, skin, and also promotes good eyesight, especially in low light. Source- It is found in orange-coloured ... Read More

Sorting of objects into groups with each group having its own characteristic properties is called Classification Of Objects.We classify objects because it gives us the following advantages:1. Classification of objects makes it easier to locate and identify with them.2. We can get an idea of the properties of other members ... Read More

Lamina is a general anatomical term which means "plate" or "layer".It is the expanded portion or blade of a leaf and it is an above-ground part of the leaf that is specialized for photosynthesis. For this purpose, a leaf is typical, flat and thin, to expose the chloroplast containing cells (chlorenchyma) ... Read More

Plant nutrients are those chemical elements that are essential to the nourishment of plant health & growth. Plants get nutrients from three categories, all of which are based on the amount a plant needs. Each nutrient performs a crucial role in plant growth and development. There are two main categories ... Read More

Autotrophs are those organisms that can produce their own food by the process of photosynthesis. The term “autotroph” is taken from the root words "auto" for "self" and "troph" for "food" or 'nourishment'.Autotrophs are divided into two parts: 1. Photoautotrophs- the word has three parts: photo- light, auto-self, trophs- nourishment refers to ... Read More

Force: Force is essentially a push, or a pull action, that can lead to certain outcomes. It can deform a body or can change the state of motion of a body. Mathematically, it is the product of mass and acceleration. Some examples of force are gravitational force, magnet force, etc. ... Read More