Year 2 — Term 3
12 study notes · 120 practice questions · Aligned with NIE syllabus
Counted in the Idasara Academy app, which you open with a free account. The free notes, revision, practice and library pages for each lesson are linked below.
Lessons in This Term
Microorganisms as pathogens
Normal Microbiota: The collection of microorganisms that normally inhabit various parts of the human body without causing disease under normal conditions.
Microbial control methods
Disinfectants and Antiseptics: Chemical agents used to control microbial populations on surfaces and living tissues respectively.
Use of microorganisms in industry and agriculture
Industrial Applications of Microorganisms: The use of microorganisms in industrial processes to produce commercial products through their metabolic activities.
Want access to all Biology content?
Create Free AccountSoil microorganisms and soil health
Soil as a Microbial Habitat: Soil provides a complex physical and chemical environment that serves as a natural medium for the growth and activity of diverse microorganisms.
Microbiology in water and waste management
Water Contamination and Public Health: Water contamination refers to the presence of harmful microorganisms, chemicals, or other substances in water that make it unsafe for human consumption or use, posing significant public health risks.
Recycling of solid wastes
Solid waste management refers to the systematic collection, transportation, processing, recycling, and disposal of solid waste materials in an environmentally and hygienically sound manner.
Want access to all Biology content?
Create Free AccountMicrobes and food spoilage
Food Spoilage by Microorganisms: Food spoilage refers to the undesirable changes in food quality caused by the growth and metabolic activities of microorganisms, making food unsafe or unpalatable for consumption.
Ornamental fish culture
Aquaculture and Its Importance: Aquaculture is the farming of aquatic organisms such as fish, crustaceans, mollusks, and aquatic plants under controlled conditions.
Horticultural practices
Nursery management refers to the systematic cultivation and care of young plants (seedlings) in a controlled environment before they are transplanted to their final growing locations.
Want access to all Biology content?
Create Free AccountVector-borne diseases
Vector-Borne Diseases: Diseases transmitted to humans or animals by living organisms (vectors) that carry pathogens from one host to another.
Food preservation and postharvest losses
Food Preservation Principles: Food preservation involves applying scientific methods to prevent food spoilage, maintain nutritional value, and extend shelf life by controlling or eliminating factors that cause deterioration.
Emerging biotechnologies
Nanotechnology in Biology: Nanotechnology is the manipulation of matter on an atomic, molecular, and supramolecular scale, typically between 1 to 100 nanometers, for various applications.