Notes and Study material for Exams
Disease and decay are not inherent properties of organic objects, nor are they caused by physical damage, it is Microorganisms that bring about these changes. We are surrounded by bacteria, virus, and Fungi. Many cause diseases in cattle and crops and others are known for entering human bodies and causing various diseases. Examples of familiar … Read more
Hierarchy The literal meaning of hierarchy is the rule of control of the higher over the lower. Hierarchy means a graded organisation of several successive levels in which one of the lower level is immediately subordinate to the next higher one and through it to the other higher steps right up to the top. The … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Vector borne diseases Main vectors and diseases they transmit Vectors are living organisms that can transmit infectious diseases between humans or from animals to humans. Many of these vectors are bloodsucking insects, which ingest disease-producing Microorganisms during a blood meal from an infected host (human or … Read more