Stem Cells – GCSE Biology Practice Questions Downloads Introduction Cells with the ability to divide repeatedly to produce more similar cells that also differentiate are called stem cells. These are unspecialized, that is, they do not have a specific function. They give rise to cells that specialize in different functions. For example, stem cells develop…
Trigonometry – GCSE Maths Practice Questions Downloads Introduction Trigonometry is all about Triangles. It is a branch of mathematics that deals with the relationships between the angles and sides of triangles—especially right-angled triangles. Basics of Trigonometry Trigonometry is the study of the relationship between the angles and sides of triangles. 1. Why do we use…
Brain Diagram – GCSE Biology Practice Questions Downloads Introduction The brain is mostly composed of neurons, also known as nerve cells. The brain of an adult consists of approximately 86 billion neurons. These neurons are interconnected with each other and with the other parts of the body. This interconnection allows information processing and body control….
Structure of DNA – GCSE Biology Practice Questions Downloads Introduction In our body, all the cells know what, when, and how to do. This is because there are instructions present inside the nucleus of each cell. It is called genetic information and is stored in the form of DNA. All forms of life having cells…
Quadratic Simultaneous Equations – GCSE Maths Practice Questions Downloads Introduction Two or more equations that share variables and have set of values for variables that satisfy both the equations are called Simultaneous Equations. If the maximum power raised to the variable in Simultaneous equations is one then these are called Linear Simultaneous Equations. Similarly If…
Box Plots – GCSE Maths Practice Questions Downloads Introduction Box plot is an important concept used in Statistics to represent quantities related to a given dataset graphically and helps us to provide conclusions about that dataset. Box plots include graphical representation of these five quantities – Median, Maximum Value, Smallest value, First quartile and the…
Eye Diagram – GCSE Biology Practice Questions Downloads Introduction Our body has five basic sense organs, and the eye is one of them. It has a layer known as the retina that contains receptor cells. The receptor cells in the retina are of two types: Cones and Rods. It is with the help of the…
Circle Theorems – GCSE Maths Practice Questions Downloads Introduction Circle Theorems are a set of rules and properties related to angles, chords, and segments in a circle. They describe relationships between different geometric elements within and around a circle. What are Circle Theorems? Circle theorems are special rules in geometry that describe relationships between angles,…
Operations of Fractions – GCSE Maths Practice Questions Downloads Introduction Operations are the basic processes used to manipulate numbers and expressions. The four fundamental operations are: Addition (+) Subtraction (−) Multiplication (×) Division (÷) Operations with Fractions- In mathematics, an Operation is a process or action that produces a new value from one or more…
Interior and Exterior Angles in Polygons – GCSE Maths Practice Questions Downloads Introduction The Word Polygon is made up of two words – A closed shape made of line segments . To make a Polygon, minimum three line segments are required which end up making a Triangle. Basic Polygons are Triangle, Square and Rectangle. Polygons…