Page 50 – Biology Notes Online

Culture Media – Definition, Types, Composition, Use, Examples

Published on August 19, 2024 By BNO Team Fact checked & reviewed by BNO Team

When it comes to culturing bacteria, it is crucial to create the same environmental and nutritional conditions as those found in the natural environment. The majority of culture mediums contain water, which is a major source of carbon and energy and nitrogen. It also contains trace elements, as well as some growth factors. In addition, the pH as well as oxygen tension and Osmolarity must also be considered. Some of the components of media for culture include: Although tap water is appropriate for the use of culture media, it shouldn’t be used in the event that it contains a significant amounts of minerals. In these instances the use of demineralised or distillated water is recommended.

Simple Microscope – Definition, Principle, Parts, Uses

Published on August 19, 2024 By BNO Team Fact checked & reviewed by BNO Team

Simple Microscope: Working Principle, Uses, Parts, and their Functions.

What is Simple Microscope? Definition of Simple Microscope A simple microscope is an optical device consisting of a single convex lens that magnifies objects by enlarging their image through light refraction. Principle of Simple Microscope Working Mechanism of Simple Microscope This ray diagram in below, explains how simple microscopes is working; Magnification of a simple … Read more

Difference Between primary and secondary sewage treatment

Published on August 19, 2024 By BNO Team Fact checked & reviewed by Sourav

What is primary sewage treatment? What is secondary sewage treatment? Difference between primary and secondary sewage treatment Primary Treatment Secondary Treatment Difference Chart between primary and secondary sewage treatment Aspect Primary Treatment Secondary Treatment Nature of Process Physical process involving removal of solid particles from sewage. Biological process involving the degradation of organic matter. Method … Read more

Botanical Nomenclature – Principles, Rules, Ranks, Typification, author citation, rejection

Published on August 19, 2024 By BNO Team Fact checked & reviewed by Sourav

What is Botanical nomenclature? Importance of scientific names Scientific names are crucial for accurately identifying and classifying plants and organisms. Here are key reasons why they are essential: Common name and its problems Common names, while widely used, present several issues that complicate plant identification and communication. These problems arise from their variability, lack of … Read more

Taxonomic Hierarchy – Ranks, Categories and Taxonomic groups

Published on August 19, 2024 By BNO Team Fact checked & reviewed by Sourav

What is Taxonomic Hierarchy? Taxonomic hierarchy is a fundamental concept in biological classification that organizes the vast diversity of life into a structured framework. This system is essential for the accurate identification, naming, and classification of organisms, allowing biologists to communicate effectively about the characteristics and relationships of various species. At the core of plant … Read more

Autoclave – Definition, Principle, Parts, Operating Procedure, Uses

Published on August 18, 2024 By BNO Team Fact checked & reviewed by Sourav

An autoclave is a vital tool in scientific and medical laboratories, essential for ensuring the sterility of equipment and materials. Understanding its definition, principle of operation, key components, and operating procedures is crucial for students in these fields. This post delves into what an autoclave is, how it works, its main parts, and its diverse … Read more

PH Meter – Principle, Parts, Types, Procedure, Calibration, Application, Examples

Last Updated September 6, 2024 • 1 revisions By BNO Team Fact checked & reviewed by Sourav

What is pH Meter? A pH meter is a critical instrument used for measuring the acidity or alkalinity of aqueous solutions, quantified in terms of pH. The pH scale ranges from 0 to 14, where a value of 7 denotes neutrality, values below 7 indicate acidity, and values above 7 denote alkalinity. This scale reflects … Read more

HPLC – Principle, Instrumentation, Types, Uses, Diagram

Published on August 18, 2024 By BNO Team Fact checked & reviewed by BNO Team

High-Performance Liquid Chromatography (HPLC)

What is HPLC (High-performance liquid chromatography)? Principle of HPLC (High-performance liquid chromatography) Instrumentation of HPLC High-Performance Liquid Chromatography (HPLC) is a sophisticated analytical technique that relies on a precise set of instruments to achieve effective separation, detection, and analysis of chemical compounds. The key components of an HPLC system include the mobile phase reservoir, solvent … Read more

Taxonomic Evidences from Palynology, Cytology, Phytochemistry and Molecular Data

Published on August 18, 2024 By BNO Team Fact checked & reviewed by Sourav Pan

In Taxonomy, evidence is the information used in context for a purpose such as identification or classification. The foundation of plant taxonomy was laid on a number of characters (attributes) of plants and plant groups studied from time to time. Such taxonomic information can be realised in many ways to prove a hypothesis, solve a … Read more

IIT JAM – Biotechnology Previous year question papers Download

Published on August 17, 2024 By BNO Team Fact checked & reviewed by Sourav

IIT JAM Biotechnology Previous Year Question Papers Download: Elevate your IIT JAM Biotechnology exam preparation with our extensive collection of previous year question papers. Download these past papers to gain insights into the exam format, identify frequently tested topics, and practice with real questions from previous years. These question papers are crucial for understanding the … Read more