Investigations (Grade 11 NSC Matric Life Sciences): Flashcards
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10 cards from this deck
Destarching duration before experiments
Destarching duration before experiments
48 hours in darkness
Starch test positive result color
Starch test positive result color
Blue-black
Starch test negative result color
Starch test negative result color
Light brown
Why use water bath for ethanol in starch test
Why use water bath for ethanol in starch test
Ethanol is flammable
Sodium hydroxide function in experiment
Sodium hydroxide function in experiment
Absorbs from air
Sodium bicarbonate function in experiment
Sodium bicarbonate function in experiment
Releases into air
Variegated leaf
Variegated leaf
Leaf with green and white areas
Chlorophyll's role in photosynthesis
Chlorophyll's role in photosynthesis
Captures light energy
Glowing splint test detects
Glowing splint test detects
Oxygen (splint re-ignites)
Light requirement for photosynthesis
Light requirement for photosynthesis
Essential - without it, no starch produced