This textbook, published by the Punjab Curriculum and Textbook Board (PCTB / PECTAA) for Class 9 General Science in English Medium, provides a comprehensive foundation in basic science, its rich history, and the pivotal contributions of Muslim and Pakistani scientists. It delves into core topics including organic chemistry, biochemistry, biotechnology, human nutrition, and endocrine functions. Furthermore, it addresses critical health issues such as infectious diseases, mental health, and drug abuse, alongside crucial environmental topics like global warming, pollution, fossil fuel conservation, mechanized agriculture, and wildlife protection. It serves as an essential resource for student academic preparation and environmental awareness.
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Chapters
Chapter 1 – Introduction and Role of Science
Basic definition and history of science, islamic perspective, contributions of Muslim and Pakistani scientists, major scientific branches, and the impact of science and technology on modern life.
- Introduction of Science
- History of Science
- Concept of Science in Islam
- Contribution of Muslim and Pakistani Scientists
- Jabir Bin Hayyan
- Muhammad Bin Zikrya Al-Razi
- Ibn-ul-Haitham
- Al-Bairuni
- Bu Ali Sina
- Dr. Abdus Salam
- Dr. Abdul Qadeer Khan
- Dr. Munir Ahmad Khan
- Dr. Atta-ur-Rehman
- Dr. Samar Mubarak Mand
- Dr. Ashfaq Ahmad
- Branches of Science
- Physics
- Chemistry
- Biology
- Botany
- Zoology
- Astronomy
- Mathematics
- Agriculture
- Medicine
- Geography
- Relationship of Different Branches of Science
- Geophysics
- Astrophysics
- Role of Science and Technology in our Life
Chapter 2 – Our Life and Chemistry
Analysis of fundamental building elements of life, organic chemistry principles, key properties of water, composition and role of atmospheric gases, and essential trace elements.
- The Basic Building Elements of Life
- Carbon
- Hydrogen
- Oxygen
- Importance of Carbon, Hydrogen and Oxygen
- Respiration
- Photosynthesis
- Organic Chemistry
- Types of Carbon Compounds
- Hydrocarbons
- Water
- Properties of Water
- Water as Universal Solvent
- Air
- Role of Oxygen in Air
- Role of Nitrogen in Air
- Nitrogen Cycle
- Role of Carbon Dioxide in Air
- Carbon Cycle
- Important Elements for Life
- Iron
- Sodium
- Potassium
- Magnesium
- Calcium
- Phosphorous
- Fluorine
- Chlorine
- Iodine
Chapter 3 – Biochemistry and Biotechnology
Exploration of metabolism, enzymatic roles, blood components and grouping, genetic engineering applications in agriculture and livestock, disease controls, and waste recycling.
- Metabolism
- Anabolism
- Catabolism
- Enzymes
- Role of Enzymes in our Daily Life
- Blood
- Composition of Blood
- Red blood cells
- White blood cells
- Platelets
- Blood Groups
- ABO System
- Rh-Factor System
- Genetic Engineering
- Role of Genetic Engineering in Human Welfare
- Transgenic Organisms
- Significance of Genetic Engineering in Agriculture and Livestock
- Production of High Yield Crops
- Production of High Yield Animals
- Cloning
- The Role of Biotechnology in Betterment of Crops
- Weed Killing Ability
- Pest Resistance
- Improvement of Crop Yield
- Antibiotics and Vaccines
- Antibiotics
- Vaccines
- Recycling of Waste and Scarce Materials
- Methods for Disposal of Rubbish
Chapter 4 – Human Health
Overview of essential dietary components, balanced diets across age groups, endocrine system coordination, benefits of physical exercise, and first aid procedures for common emergencies.
- Food and its Major Components
- Water
- Carbohydrates
- Fats and Oils
- Proteins
- Vitamins
- Fat Soluble Vitamins
- Vitamin A
- Vitamin D
- Vitamin E
- Vitamin K
- Water Soluble Vitamins
- Vitamin B
- Vitamin C
- Mineral Salts
- Balanced Diet
- Diet for Infants
- Diet for Youngs
- Diet for Old
- Diet for Pregnant and Lactating Women
- Co-ordination and Integration in Body Functions
- Endocrine Glands
- Pituitary Gland
- Thyroid Gland
- Adrenal Glands
- Pancreas
- Gonads
- Exercise and Health
- First Aid
- Animal Bite
- Burn
- Eye Injury
- Coma
- Snake Bite
Chapter 5 – Diseases - Cause and Prevention
Detailed examination of infectious diseases caused by viruses, bacteria, and parasites, modes of germ transmission, hazards of smoking, mental health disorders, and drug classifications.
- Diseases Caused by Germs
- Viral Diseases
- Small pox
- Poliomyelitis
- Influenza or Flue
- AIDS
- Hepatitis
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Bacterial Diseases
- Tuberculosis (TB)
- Whooping Cough
- Diphtheria
- Tetanus
- Typhoid
- Parasitic Diseases
- Malaria
- Round Worm
- Thread Worms
- Agents Spreading the Germs
- Air
- Touch
- Faeces
- Animals
- Scratches and Wounds
- Water
- Harmful Effects of Smoke and Smoking
- Respiratory Diseases due to Smoking
- Heart Diseases due to Smoking
- Skin Diseases Caused by Smoking
- Mental Diseases
- Psychosis
- Delirium
- Depression
- Neurosis
- Hysteria
- Phobia
- Drugs and their Effects
- Medicines
- Pain Killers
- Narcotics
- Sedatives
- Hallucinogens
Chapter 6 – Environment and Natural Resources
Evaluation of ozone depletion, greenhouse effect, pollution categories, conservation of fossil fuels and minerals, agricultural trends, wildlife protection, and population growth impacts.
- Ozone Layer
- Depletion of Ozone Layer
- Energy Radiations and their Absorption in the Atmosphere
- Greenhouse Effect
- Global Warming
- Environmental Pollution
- Types of Pollution
- Air Pollution
- Smog
- Acid Rain
- Water Pollution
- Land Pollution
- Measures to Reduce Pollution
- Natural Resources
- Fossil Fuels
- Coal
- Petroleum
- Natural Gas
- Effects of Fossil Fuels on Environment
- Minerals
- Conservation of Natural Resources
- Agriculture and Crops of Pakistan
- Mechanized Farming and Production Trends
- Development of Dairy and Poultry Farming
- Dairy Products
- Poultry Products
- Fisheries
- Wildlife and National Parks
- Importance of Wildlife
- Endangered Species
- Conservation of Wildlife
- National Parks
- Effects of Rising Population on Environment
- Increase in Population
- Population Growth and Balance in Nature
- Population and Environmental Problems
- Migration
- Quality of Life
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