Psi (Class 9) Biology | Sudhir

June

Introduction

  • Outlining syllabus differences
  • Why study biology?
  • Career options
  • Experiments in biology

Biomolecules

  • Carbohydrates
  • Fats
  • Proteins

Enzymes

  • Lock and key model
  • Reaction rate
  • Factors affecting enzyme activity

July

Organisation of the organism (recap)

Cells

  • structure of cell
  • Organelles
  • Movement in and out of cells
  • Cell division
  • Cell differentiation

August

Plant nutrition

  • Photosynthesis
  • Leaf structure
  • Mineral requirements

Transport in plants

  • Water uptake
  • Transpiration
  • Translocation

September

Human nutrition

  • Diet
  • Anatomy of digestive system
  • Mechanical digestion
  • Chemical digestion
  • Absorption

Transport in animals

  • Single circulation and Double circulation
  • Heart
  • Blood
  • Lymph

October

Respiration

  • Gas Exchange
  • Respiration
  • Anaerobic respiration
  • Aerobic respiration

November

Excretion

  • Anatomy
  • Physiology

Coordination and response

  • Neurons
  • Synapses
  • How neurons transmit information
  • Reflexes
  • Sense organs
  • Hormones
  • Homeostasis

December

Skin

  • Anatomy
  • Functions

January

Reproduction

  • Asexual reproduction
  • Sexual reproduction in plants
  • Sexual reproduction in humans
  • Birth control
  • Sexually transmitted diseases

Skeleto-muscular system

  • Anatomy
  • How muscles work

February

Classification of organisms

  • Classification systems
  • Binomial nomenclature
  • Kigdoms and their characteristics
  • Phyla and their characteristics

Revision

March

  • Exam
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