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  DIAGRAMS FOR IGCSE BIOLOGY

A TYPICAL VIRUS, INFLUENZA VIRUS

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A BACTERIUM

YEAST (UNICELLULAR FUNGUS)

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A BREAD MOULD/MUCOR ALONG WITH HYPHA

A CHLORELLA (A PHOTOSYNTHETIC PROTOCTIST) AMOEBA AND PLASMDIUM’ 

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AMOEBA

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LABELLING ON A PEA PLANT (DICOTYLEDONS) AND WHEAT PLANT (MONOCOTYLEDONS)

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SECTION 2

LEVELS OF ORGANISATIONS AnD CELL STRUCTURE

PLANT CELL

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ANIMAL CELL

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HUMAN CHEEK CELL

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RED BLOOD CELL

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WHITE BLOOD CELLS (PHAGOCYTES) AND LYMPHOCYTES 

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NERVE CELL

SPERM CELL

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AN EGG CELL

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LOCK AND KEYS HYPOTHESIS

EFFECT ON HEATING AN ENZYME

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HOW WATER MOLECULES MOVE ALONG A SEMI PERPEABLE MEMBRANE

Visking tubing, capillary tube and beaker

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Section through a leaf

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Food moving through the gut (peristalsis)

Alimentary canal

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Labelling of a villus

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A calorimeter

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Heat and respiration (experiment by seeds)

Labelling of leaf structure and its gas exchange in it

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Close and open stoma

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Labelling of thorax and ribs…pleural membranes 

Thorax during inhalation and exhalation

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Finding values of surface are and volume ratio of different objects

Section through stem (phloem, xylem, cambium)

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Apparatus of photometer

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Phagocytosis

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Section through human heart

Section through artery, vein and capillary

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Human kidney and nephron

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Flow chart to show coordinated response (stimulus, receptor, effector)

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StimuslusReceptorEffector

Sensor motor and relay neuron

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Spinal cord reflex arc

Section through eye and response of eye to light and near/distant object

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Labelling through section through skin

Labelling of endocrine glands in body

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Labelling of insect and wind pollinated flower

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Embryo formation

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Male and female reproductive system

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Menstrual cycle diagram

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Change in thickening of lining of uterus, hormones during menstrual cycle

Positions of foetus and its development

Structure of chromosome, DNA and base arrangement

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Genotype of character of family pedigree

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Food chain, pyramid of biomass, number and energy transfer

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Nitrogen cycle

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Water cycle

Carbon cycle

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Leguminous plant with root nodules in it

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Global warming diagram

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Industrial fermenter

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Steps of producing genetically modified bacteria and plant

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Steps of producing dolly a cloned mammal

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