NEET

Animal cells contain an organelle called centriole which is found in pairs in the cell. They are also present in lower plants but are absent in higher plants. They are located near the nucleus and cannot be seen unless the cell is dividing. They divide themselves during cell division. Its structure is simple, and it […]

Introduction Plant tissues are supportive and provide strength and support to the plants. Tissues are the fundamental components of any living body, whether it be an animal or a plant. An organism is made up of multiple tissues that come together. Individual cells make up tissues. A tissue is a collection of cells that have

Organisms are classified by their phylum. Cnidaria is divided into four classes: Hydrozoa (hydrozoans), Scyphozoa (scyphozoans), Anthozoa (anthozoans), and Cubozoa (cubozoans) (cubozoans). All cnidarians share a number of traits, which supports the idea of a common ancestor. Cnidarians fascinate both laypeople and scientists due to their symmetrical body forms, varied colours, and sometimes complicated life

The basic lattice arrangements are Bravais lattices. All other lattices can be reduced to Bravais lattices. By translation, Bravais lattices move on a certain basis such that they all line up on the same foundation. There are 14 Bravais lattices in three dimensions: 1. Simple Cubic 2. Face Centered Cubic 3. Body-Centered Cubic 4. Hexagonal

Biological classification is the scientific process of classifying organisms into hierarchical groups and subgroups based on their similarities and differences. Several biologists have contributed to this classification method, which took years for researchers to decide on the most fundamental traits. What is Biological Classification, and how does it work? Biological classification is a logical technique

Biological classification is the scientific approach of categorising organisms and subgroups according to their similarities and differences and arranging the group in a hierarchical order of classifications. Significance of Classification System It is not easy to study each organism; analysing one or two group organisms will help attain adequate information regarding the significant features of

Introduction Binomial nomenclature is a binomial naming system about organisms or species. A binomial name means that it has two parts. These two parts are the generic name (genus name) and the specific name, also known as a specific epithet. These names form part of the botanical nomenclature. In short, it is a type of

Carl Woese et co. established the three-domain approach to biological categorisation in 1990. It classifies cellular life forms into three domains: Archaea, Bacteria, and Eukarya. Archaea and Bacteria were classified as prokaryotes. Archaea is a class of organisms that includes primitive prokaryotes that exist in harsh settings known as archaebacteria. Archaebacteria are included in this

Arthropoda is the most diverse phylum, containing approximately nine lakh species. Their habitats can range from aquatic to terrestrial to parasitic. They have chitinous exoskeletons and jointed appendages, which allow them to move freely. This phylum contains several large classes, the largest of which is Insecta, which represents a significant portion of the world’s animal

Any of a group of single-celled prokaryotic species (i.e., organisms without a distinct nucleus) with molecular characteristics that separate them from bacteria (the other, more prominent group of prokaryotes) and eukaryotes. The word archaea comes from the Greek word archaios, which means “ancient” or “primitive,” and some archaea do have characteristics that fit this definition.