Investigate the factors necessary for germination (LC 2026) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is germination?
What is germination?
Regrowth of embryo after dormancy
Which three factors are necessary for germination?
Which three factors are necessary for germination?
Water, suitable temperature, oxygen
Why is water necessary for germination?
Why is water necessary for germination?
To soften testa and activate enzymes
Why is suitable temperature required for germination?
Why is suitable temperature required for germination?
For enzymes to work at optimum activity
Why is oxygen required for germination?
Why is oxygen required for germination?
For aerobic respiration
What factor is missing in setup A with dry cotton wool?
What factor is missing in setup A with dry cotton wool?
Water
What factor is missing in setup B in fridge at 4°C?
What factor is missing in setup B in fridge at 4°C?
Suitable temperature
How is oxygen eliminated in setup C?
How is oxygen eliminated in setup C?
Cooled boiled water covered with oil
Which setup is the control with all factors for germination?
Which setup is the control with all factors for germination?
D: Wet cotton, 27°C, oxygen present
How is a fair test ensured in this experiment?
How is a fair test ensured in this experiment?
Using same number of cress seeds in each
How long are the dishes left in the incubator at 27°C?
How long are the dishes left in the incubator at 27°C?
72 hours
Why did setup A show no growth?
Why did setup A show no growth?
No water to soften testa or activate enzymes