Notes and Study material for Exams
Microorganisms Microscopic organisms, commonly known as microorganisms or microbes, are found all around us and even inside our bodies. The category ‘Microbes’ includes a massive range of organisms including bacteria, Fungi, viruses, algae, archaea and protozoa. Some of these, such as bacteria and fungi, are well known, but others such as archaea much less so. … Read more
Diseases – Communicable diseases, Endemic diseases Top 10 Causes of Death (Source: WHO World Health Statistics 2012) Ischemic heart disease 12 % Chronic obstructive pulmonary disease 11% Stroke 9% Diarrheal disease 6% Lower respiratory infections 5% Preterm birth complications 4% Tuberculosis 3% Self-inflicted injuries 3% Falls 3% Road injuries 2% Communicable diseases Communicable … Read more
Each organism is different from other organisms. The total number of species living on the planet is imprecisely known and published estimates vary from 12 million to over 100 million. This is because there are large numbers of species yet undiscovered and undescribed, and there is not always agreement on whether certain organisms should … Read more
Microorganisms Microscopic organisms, commonly known as microorganisms or microbes, are found all around us and even inside our bodies. The category ‘Microbes’ includes a massive range of organisms including bacteria, Fungi, viruses, algae, archaea and protozoa. Some of these, such as bacteria and fungi, are well known, but others such as archaea much less so. … Read more
Disease is a condition that impairs the proper functioning of the body or its parts. A disease can be defined as: Any deviation from normal functioning or state of complete physical and mental well being. Types of diseases: The human diseases are broadly classified into following four categories: Acute diseases Chronic diseases Congenital diseases Acquired … Read more