Investigate the factors necessary for germination (LC 2026) (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
Definition of germination
Definition of germination
Regrowth of embryo after dormancy in suitable conditions
Three factors needed for germination
Three factors needed for germination
Water, suitable temperature, oxygen
Why water is needed for germination
Why water is needed for germination
Softens testa and activates enzymes
Why temperature is needed for germination
Why temperature is needed for germination
For enzymes to work at optimum activity
Why oxygen is needed for germination
Why oxygen is needed for germination
Required for aerobic respiration
What factor is missing in setup A
What factor is missing in setup A
Water
What factor is missing in setup B
What factor is missing in setup B
Suitable temperature
What factor is missing in setup C
What factor is missing in setup C
Oxygen
What is setup D in germination experiment
What is setup D in germination experiment
The control (has all factors)
Result of setups A, B, and C
Result of setups A, B, and C
No growth
Result of setup D (control)
Result of setup D (control)
Growth
Incubator temperature in germination experiment
Incubator temperature in germination experiment
27°C
Duration of germination experiment
Duration of germination experiment
72 hours
How is fair test ensured in experiment
How is fair test ensured in experiment
Same number of cress seeds in each dish
How is oxygen eliminated in setup C
How is oxygen eliminated in setup C
Cooled boiled water covered with oil layer