Class 11 Biology (Botany + Zoology) Syllabus 2020 (Nepal)

Class 11 Biology (Botany + Zoology) Syllabus 2020 (Nepal)

Bio. 301 (Class 11 Biology Syllabus with practical and sample project works) Grade 11 – Botany (Theory) (64 teaching hours) Unit 1 – Biomolecules & Cell Biology (15 teaching hours) 1.1 Biomolecules: Introduction and functions of: carbohydrates, proteins, lipids, nucleic … Read more

Cambridge AS and A Level Biology 9700 Syllabus 2022-2024

Cambridge International AS & A Level Biology Syllabus 2022-24

For examination in June and November 2022, 2023 and 2024. Image Credit: Cambridge Assessment International Education. Candidates for Cambridge International AS Level Biology study the following topics: 1. Cell structure 1.1 The microscope in cell studies 1.2 Cells as the … Read more

Disorders and Diseases of the Human Digestive System

Disorders and Diseases of the Human Digestive System

The primary purpose of the gastrointestinal tract is to break food down into nutrients, which can be absorbed into the body to provide energy. Food must be ingested into the mouth to be mechanically processed and moistened. Secondly, digestion occurs … Read more

Biuret Test for Protein

Biuret Test for Protein

What does Biuret test for? Proteins are the complex compound formed by thousands of amino acids. Amino acids are amphoteric electrolytes having carboxyl and amino groups that act like acid and base. It has one positive charge and one negative … Read more

Hemolysis of Streptococci- Types and Examples with Images

Hemolysis of Streptococci- Types and Examples with Images

Introduction A genus Streptococcus is a heterogeneous group of Gram-positive bacteria. Various streptococci are considered as the normal microbial flora of animals and humans, while some species under favorable conditions can also cause diseases ranging from sub-acute infection to acute … Read more

Carbohydrate Fermentation Test | Sugar Fermentation Test

Carbohydrate fermentation test

Introduction Carbohydrates are organic molecules that comprise carbon, hydrogen, and oxygen in the ratio (CH2O)n. There are three types of carbohydrates based on their structure and number of carbon atoms present, they are monosaccharides (simple sugar containing 3-7 carbon atoms), … Read more

Electron microscopy (SEM and TEM) images of SARS-CoV-2

Electron microscopy images of SARS-CoV-2

Here are some of the electron microscopy images (Scanning Electron Micrograph and Transmission Electron Micrograph) of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that causes Coronavirus Disease 2019 (COVID-19). More Images at https://www.flickr.com/photos/niaid/albums/72157712914621487/

Pandemic- definition, features, causes, effects, examples

Pandemic- definition, features, causes, effects, examples

Pandemic Definition The word pandemic comes from the Greek pandemos meaning “pertaining to all people.” The Greek word pan means “all” and the Greek word demos means “people.” An epidemic usually affecting a large proportion of the population, occurring over a wide geographic area such as … Read more

Hanta Virus- An Overview

Hanta Virus

Structure of Hanta Virus Source: Viral Zone Hantavirus falls under the Bunyaviridae family. The virion displays round or pleomorphic morphology with a diameter of roughly 120-160 nm. The virus capsid is enveloped by a single layer envelope. The envelope surrounds three … Read more