Tag class 11th

How to Analyse Chemical Composition? Biomolecules in Living Organisms & their Analysis Steps for Chemical Analysis of Organic Compounds: Analysis of Inorganic Elements: Biomolecules: Biomicromolecules & Biomacromolecules Types of Compounds in Living Cells Micromolecules vs. Macromolecules Lipids Chemical Composition of…

Cell Living vs. Non-living Things “Viruses are an exception as they show life-like features only inside a host cell.” What is a Cell? Cell Theory “Viruses are not included in cell theory because they lack cellular organisation.” Overview of Cells…

Animal Tissues Animal Tissues These tissues are arranged in specific proportions to form organs and organ systems. 1. Epithelial Tissue Definition and General Features: Types of Epithelial Tissues: Some glands, like the pancreas and gonads, function as both exocrine and…

The Root Overview Root System In most plants, the root develops from the radicle of the embryo. Regions of the Root Modifications of Root Roots may modify to perform functions other than absorption and conduction. The Stem Features of the…

BASIS OF CLASSIFICATION With more than a million animal species described, classification helps in organising and understanding animal diversity “This chapter focuses on the fundamental principles of animal classification, including levels of organisation, body symmetry, and major animal phyla..” 11…

Biological Classification Early Attempts at Classification Aristotle Linnaeus Limitations of the Two Kingdom System Example of Old vs New Understanding Need for Better Classification To overcome earlier limitations, classification needed to consider more reliable characters. Key Characters Considered: This led…

WHAT IS ‘LIVING’? Introduction Defining Life and Living Organisms Defining ‘Living’ Growth Hence, growth alone cannot be taken as a defining property of living organisms. Reproduction Therefore, reproduction is not an all-inclusive defining feature of life, although no non-living object…