Best Biology Quizzes Online

Do You hear about stem cells? If you didn't know then you may wonder what stem cells are, how they are being used to treat disease and injury, and why they are the subject of such vigorous debate. Actually, Stem cells are the body's raw materials — c

Do you know about gastrulation? If you don't know then just read the whole story, Gastrulation is the stage in the early embryonic development of most animals, during which the blastula is reorganized into a multilayered structure known as the gastru

The animal kingdom is one of the most important in the five kingdoms taxonomic classification which is classified by Robert Whittaker. Organisms of the animal kingdom are eukaryotic and multicellular. Animal kingdoms are further classified into 10 di

Reproduction is the process by which new living things are created. People, animals, plants, and even bacteria, reproduce. There are two methods by which living things reproduce--asexual or sexual. There are a few rare species that have the ability t

Evolution is a change in the heritable characteristics of biological populations over successive generations. Different characteristics tend to exist within any given population as a result of mutation, genetic recombination, and other sources of gen

The cell is the basic structural and functional unit of life. Every cell consists of a cytoplasm enclosed within a membrane, which contains many biomolecules such as proteins and nucleic acids. Most plant and animal cells are only visible under a lig

The living world can be described as the world around us. It comprises all living creatures, plants, and microorganisms that we cannot see. It has changed over the course of billions of years but the general composition has remained the same. The mai

Echinoderms belong to the Class Asteroidea, one of the best-regarded groups. There are 1500 kinds diagnosed so far. There is an important disc at the asteroid frame surrounded with the aid of using radiating hands. Within this disc are the fundamenta

Science is not just a new concept but also a really amazing topic to be talked about! The way our life goes there are a few important things that are revolving around the same. The most crucial of this is heredity and evolution! We all know that we a

Oceans and seas are not only home to aquatic animals and plants but also play an important role in human life. They not only provide us water but also provides us food. When we talk about the food we get from the sea we not only talk about fish but a

Birds as we all know are really important living things on earth! Not just crucial they are really beautiful that makes them lovable around the globe. There are ample abilities and capabilities of birds mainly the flying thing. It is called flying ad

A disease is defined as a state of non-regular functioning of the body. Disorders of the circulatory system can be defined as any disease that affects the heart, blood vessels, and blood cells. This disorder leads to insufficient or reduced transport

The circulatory system of humans and other animals is the organ system responsible for the pumping and transport of oxygen and materials within the body. It contains the heart, arteries, veins, capillaries, and blood. The heart acts as a pump pushing

Every human and every living thing has a cell as their basic unit of life. The cellular level is the foremost and the first stage of the level of organization. The cell as we all know is the smallest unit that enables reproduction in living organisms

Arboreal adaptation suite of physical traits that enable the organism to live in trees. bilophodont. In the Old World monkeys refers to the lowering of the molar, which consists of two ridges. There is a quiz given below to check how much you are awa

In Simply language, vermicompost is the excreta of earthworms in the form of earthworms, in which some species of earthworms are used to enhance the process of organic waste conversion and to create better end-products. Which can improve the biologic

All plants and animals found on Earth are living things, they rely on each other to sustain life. All living organisms share many key characteristics or functions. They have the ability to react with each other in some common characteristics, respond

Biology is a branch of science that deals with living organisms and their processes. Aristotle is the father of biology. The three major branches of biology are zoology, botany and microbiology. Zoology is related to animals, botany is related to pl

Immunity gives our body the ability to fight disease. These toxins can be bacteria, viruses, fungus, parasites or any other harmful substances. If our immunity is strong, it not only protects us from cold and cough but also protects us from many dise

Talking about the 'Herd Immunity Theory' that Britain has allegedly included to fight the disease, Guleria said that although some countries are adopting the 'Herd Immunity' Theory. Herd immunity means "to prevent the spread of an infectious disease

Enzymes are biological catalysts that increase the rate of biological reactions occurring in the body while being themselves unchanged. All chemical reactions within cells are catalyzed by enzymes. These act as biocatalysts of the cells. They reduce

Fats or lipids are long-chain fatty acids and alcohol esters. These are waxy or oily substances present in all organisms. These are non-hydrophilic and hydrophobic compounds. These are soluble in organic solvents such as chloroform, benzene, ether wh

Biology is the major part of science and in general biology, we study the life of living organisms. Another name of biology is the science of life because in biology we get the knowledge of living organisms' life. There are many types of biology, lik

Spermatogenesis is the process of functional sperm/spermatozoa from diploid spermatogonia. Its formation is under the control of FSH and androgens. The different steps involved in spermatogenesis are the multiplicative phase, growth phase, maturation

Sarcodina is free-floating and parasitic and they are uninucleate. In Sarcodina locomotion takes place by pseudopodia. Their asexual reproduction takes place by binary fission, multiple fission, budding, and spore formation, and sexual reproduction t