(1ai) Observation:Blue black colouration is observed Result: Starch is present (1aii) Observation:No colour change is observed Result:Starch is present (1bi) TABULATE Specimen A: -Mould is absent -Sporangium is absent Specimen B: -Mould is present -Sporangium is absent (1bii) -Presence of moisture -Suitable temperature for the growth of mould (1biii) -Mould (1biv) Saprophytic (1ci) (1cii) Yolk:Supply nutrient to the embryo Air space:Provide air for the developing embryo Shell:Give shape and protection to the embryo Chalaza:Hold and suspend the embryo in position (2a) H-Below the abdomen K-Thoracic cavity M-Below the abdomen (2bi) -Bile (2bii) -Emulsification of fat -Digestion of fats and oil (2biii) Specimen H (2ci) TABULATE Specimen H/Liver: -Dark red in colour -Hepatic vein present -Divides into lobes Specimen K/Lungs: -Bright red in colour -Hepatic vein absent -Lobes present (2cii) -Thin membrane allow easy diffusion of oxygen and carbondioxide -Moist surface for dissolving gases -Large surface area for exchange of gases (2d) K-It is used for respiration M-It is used for excretion in animals
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