Investigations (Grade 11 NSC Matric Life Sciences): Flashcards
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10 cards from this deck
Gas detected by glowing splint test
Gas detected by glowing splint test
Oxygen
Positive result for glowing splint test
Positive result for glowing splint test
Splint reignites or burns more brightly
Lime water appearance when CO₂ present
Lime water appearance when CO₂ present
Turns milky or cloudy
Germination definition
Germination definition
Process where seeds begin to grow into new plants
Glowing splint in living seeds (Investigation 1)
Glowing splint in living seeds (Investigation 1)
Goes out immediately (oxygen consumed)
Glowing splint in dead seeds (Investigation 1)
Glowing splint in dead seeds (Investigation 1)
Continues burning (oxygen still present)
Container A purpose (Investigation 2)
Container A purpose (Investigation 2)
Removes CO₂ from incoming air (sodium hydroxide)
Paraffin layer purpose (Investigation 3)
Paraffin layer purpose (Investigation 3)
Prevents oxygen entry, creates anaerobic conditions
Oxygen requirement: aerobic vs anaerobic
Oxygen requirement: aerobic vs anaerobic
Aerobic requires O₂; anaerobic doesn't
Energy yield: aerobic vs anaerobic
Energy yield: aerobic vs anaerobic
Aerobic yields large ATP; anaerobic yields small ATP