Life Sciences Grade 11 Study Resources Directory

How do Vaccines Work to Protect us from Various Diseases: Vaccines have been one of the most effective tools in preventing the spread of infectious diseases. They work by training the immune system to recognize and fight off harmful pathogens such as viruses and bacteria. This helps the body to build immunity to these diseases, … Read more

In what form do plants absorb nitrogen? Nitrogen is one of the most important macronutrients required for plant growth and development. While it is present in the atmosphere as a gas, it cannot be directly utilized by plants in this form. Instead, plants must absorb nitrogen in a form that is biologically available, such as … Read more

Life Sciences Grade 11 Study Notes for Term 2 Term 2: CAPS Topics Overview Week 1: Orientation Week 2-3: Photosynthesis (CAPS p. 42) Week 4-5: Cellular Respiration (CAPS p. 45) Week 6-11: Animal Nutrition (CAPS p. 43) Core Concepts, Skills, and Values Revise basic cell structure from Grade 9 and 10 Revise basic photosynthesis and … Read more

On this page, we will discuss the part that unwinds to become Chromosomes. What are Chromosomes? Chromosomes are bundles of tightly coiled DNA located within the nucleus of almost every cell in our body. Humans have 23 pairs of chromosomes. DNA replication process Replication is the process by which a double-stranded DNA molecule is copied to produce … Read more

Excretion and osmoregulation Grade 11 (Class 11) notes pdf (Life Science Grade 11 or Biology Grade 11). On this page, we will be learning about: Excretion: a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin. This is in contrast with … Read more

Gaseous Exchange Grade 11 Notes Life Sciences. This is useful for Grade 11 Gaseous Exchange Practical Term 3 Practical. Gaseous Exchange Grade 11 Notes pdf Gaseous exchange is a fundamental biological process that involves the transfer of oxygen (O2) from the environment to an organism’s cells and the elimination of carbon dioxide (CO2) from the … Read more

Organisms with true nucleus enclosed by a nuclear membrane: Organisms with a true nucleus are the most advanced and complex organisms in the living world. They belong to the domain Eukarya, and their defining characteristic is a nucleus that is enclosed by a nuclear membrane. The nucleus of these organisms is the control center of … Read more

The bread mould experiment is a common practical activity in grade 11 CAPS (Curriculum Assessment Policy Statement) Science in South Africa. The aim of this experiment is to demonstrate the process of fungal growth on food. Bread Mould Experiment for Grade 11 Process Materials: Two slices of bread A zip-lock plastic bag Water spray bottle … Read more

In what form is the Glucose Produced by Plants during Photosynthesis: Photosynthesis is the process by which plants, algae and some bacteria convert light energy into chemical energy in the form of glucose and other sugars. This process occurs in the chloroplasts of plant cells, where pigments called chlorophyll absorb light and transfer the energy … Read more