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Flow chart - How we will complete chapter 1

1.1 - (a) What is a cell?

1.1 - (b) Protoplasm and its parts

1.1 - (c) Animal and plant Cell ( Organelles, difference and similarities)

1.2 - (a) Differentiation , tissues, organs and organ system

1.2 - (b) Animal Tissue

1.2 - (c) Plant Tissue

Revision

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How we will going to complete chapter 2

2.1 - Diffusion

2.2 (a) Osmosis & Water Potential

2.2 (b) - Osmosis in Cells

2.2 (c) Water uptake by plants

2.3 (a) Active transport

2.3 (b) Importance of active transport

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آئیں میتھ سیکھیں کھیل کھیل میں

How we will going to complete chapter - 3

3.1 - Enzyme Action (Sub division)

3.1 (a) - Enzymes are Biological Catalyst

3.1 (b) Working of Enzymes

3.2 - Effects of temperature and pH (sub division)

3.2 - Effects of temperature on

3.2 (a) - Effect of temperature on enzyme activity

3.2 (b) - Effects of pH on enzyme activity

Revision

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4.1 - Photosynthesis (Sub division)

4.1 (a) - About Photosynthesis

4.1 (b) - Respiration and The uses for glucose

4.1 (c) - Life depends on photosynthesis

4.1 (d) - Conditions needed for photosynthesis

4.1 (d) - Part 2 : Investigating the condition needed for photosynthesis

4.1 (e) -Investigating the rate of photosynthesis

4.1 (f) - Limiting Factors

4.2 - Leaf Structure

4.3 - Mineral Nutrition

Notes

Exercise

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Chapter's Sub division

5.1 : Nutrients - (a) : Components of food and a balanced diet

Monomer, polymer and macromolecule

5.1 : (b) - Carbohydrates

5.1 : (c) - Proteins

5.1 : (d) - Lipids

5.1 : (e) - Part 1 : Vitamins

5.1 : (e) - Part 2 : Minerals , Fibre & Water

5.2 : Diet - (a) : Diet and energy intake

5.3 : (a) - Malnutrition

5.3 : (b) - Problems contributing famine

5.4 : Human Teeth - ( a & b) : Types of human teeth & Teeth structure and Functions

5.4 : (c) - Dental decay

5.5 : Chemical digestion - (a & b) : Digestion process & Peristalsis

5.6 : Human alimentary canal

5.7 : Absorption and assimilation ( Part 1 )

5.7 : Absorption and assimilation ( Part 2 )

Notes

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chapter's Sub division

(a) : Tranpiration & Translocation

(b) : Structure and function of root hairs to their surface area and to water and ion uptake

(c) : Loss of water from the leaves and the transpiration stream

(d) : Factors affecting the rate of transpiration

(e) : Stomata and the control of water loss from the leaf

(f) : How wilting occurs

(g) : Investigate, using a suitable stain, the pathway of water in a cut stem

(h) : Potometer – which is used to estimate transpiration rate.

(i) : Structure and function of xylem

(j) : Structure and function of Phloem

(k) : Structure and function of Stem

Revision

Notes

Exercise

Exercise - Answers

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Chapter's Sub division

7.1 : Circulatory system - (a) : Circulatory system as a system of tubes with a pump and valves

(b) : Double circulatory system

(c) : Structure of the heart

(d) : Heart Cycle

(e) : Effect of physical activity on pulse rate

(f) Main blood vessels and Structure and function of arteries, veins and capillaries

(g) : Composition of blood - part 1

(h) : Composition of blood - part 2

(i) : Composition of blood - part 3

(j) : Passage of dissolved substances from the blood to the cells

(k) : Antigens and organ transplant - part 1

(l) : Antigens and organ transplant - part 2

(m): Coronary heart disease

(n): Causes of Coronary heart disease

Notes

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Chapter's Sub division

Introduction

8.1 : Aerobic Respiration - (a): What is Respiration

8.1 : Aerobic Respiration - (b): The uses of energy from respiration

8.1 : Aerobic Respiration - (c): What is Aerobic respiration and state the equation

8.2: Anaerobic Respiration

8.3: Human gas exchange - (a): Respiration & Breathing

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8.3: Human gas exchange - (a): Respiration & Breathing - Part 2

8.3: Human Gas Exchange - (b): Structure of the Human Respiratory System

8.3: Human Gas Exchange - (c): Breathing Mechanism & Ventilation

8.3: Human Gas Exchange - (d): Gas exchange in the alveoli

8.3: Human Gas Exchange - (e): Effects of exercise on breathing

Notes

Voice issue will resolve soon.

8.1 (b) - issue resolved

8.1 (c) - Issue resolved

8.2 - Issue resolved

Chapter's Sub division

9.1: (a) What is Excretion

9.1: (b) Excretion of carbon dioxide

9.1: (c) Excretion of Urea

9.1: (d) The urinary system - Function of kidney & the composition of urine

9.2: (a) Kidney failure and its treatment

9.2: (b) Working of Dialysis - Part 1

9.2: (b) Working of a dialysis - Part 2

Notes

Chapter's Sub division

10.1: (a&b) : Homeostasis and Maintenance of a constant body temperature

10.1: (c): Negative feedback

10.1: (d): Structure of the skin

10.1: (e): Skin and the temperature control

Notes

Chapter's Sub division

11.1: Nervous System - (a): The role of the nervous system

11.1: Nervous System - (b): Structure of the nervous System

11.1: Nervous System - (c): Types of nerve cells & Receptors

11.1: Nervous System - (d): The brain and the spinal cord

11.2: Receptors

11.3: Reflex Action - (a): Reflex action and Reflex pathway

11.3: Reflex Action - (b): The Eye - (part 1)

11.3: Reflex Action - (b): The Eye - (part 2)

11.4: Hormones - (a&b): What are hormones & Exocrine and Endocrine glands

11.4: Hormones - (c): Adrenaline

11.4: Hormones - (d): Hormones from Pancreas

11.4: Hormones - (e): Diabetes Mellitus

11.4: Hormones - (f): Treatment of Diabetes Mellitus

Notes

Exercise

Support, Movement and Locomotion

Notes

Exercise

Chapter's Subdivision

13.1: Antibiotics - (a) Drugs

13.1: Antibiotics - (b): Introduction to antibiotics

13.2: Effects of Heroin

13.3: Effects of Alcohol

13.4: Effects of tobacco smoke

Notes

Exercise

Chapter's Sub division

14.1: Microorganisms - (a): Introduction to microorganisms

14.1: Microorganisms - (b): Fungi

14.1: Microorganisms -(c): Bacteria

14.1: Microorganisms - (d): Viruses

14.2: Food biotechnology - (a): Role of yeast in the production of bread and alcohol

14.2: Food biotechnology - (b): Role of bacteria in the production of cheese and yoghurt

14.3 Industrial Biotechnology - (a): Industrial fermenters

14.3 Industrial Biotechnology - (b): Using fermenters to produce antibiotics

14.3 Industrial Biotechnology - (c): Manufacture of single cell protein

Notes

Exercise

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3 Live Session : 03-11-2020

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4 Live Session : 17-11 2020

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16-march- 2021

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Live Session: 11 May 2021

Live Session: 11 May 2021 (Recorded)

O level Biology 5090 || Topic: Chapter#1 - Cell Structure and Organization - Instructor: Momna Saleem - Date: 25-05-2021

Video : O level Biology 5090 || Topic: Chapter#1 - Cell Structure and Organization - Instructor: Momna Saleem - Date: 25-05-2021

O level Biology 5090 || Topic: Chapter#2 - Diffusion and Osmosis - Instructor: Momna Saleem - Date: 08-06-2021

Video: O level Biology 5090 || Topic: Chapter#2 - Diffusion and Osmosis - Instructor: Momna Saleem - Date: 08-06-2021

Update 1 (6th- December- 2020)

Update 2 (17 - December - 2020 )

Update 3 (24- December-2020)

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Update 5 : 2-March-2021

Update 6 : 11-march-2021

Update 7: 16th march-2021

Update 8: 10th April-2021

Update 9: 13th April-2021

Update 10: 8th June 2021

Biology - Assessment 1

Biology - Assessment 2

Biology - Assessment 3

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Cambridge O Level Biology 5090

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