(a) (i) Explain the term germination - Leaving Cert Biology - Question 8 - 2015
Question 8
(a) (i) Explain the term germination.
Germination is the process by which a seed develops into a new plant. It involves the growth and development of the embryo wit... show full transcript
Worked Solution & Example Answer:(a) (i) Explain the term germination - Leaving Cert Biology - Question 8 - 2015
Step 1
Explain the term germination.
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Answer
Germination is the process by which a seed develops into a new plant. It involves the growth and development of the embryo within the seed, leading to the emergence of a seedling when conditions are favorable, such as the presence of water, oxygen, and suitable temperature.
Step 2
What part of the germinated seed becomes the root?
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Answer
The part of the germinated seed that becomes the root is called the radicle.
Step 3
Tube A has all the factors needed for germination. Tubes B, C and D lack one essential factor each. Name the three factors that are present in tube A.
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Answer
Water
Oxygen
Suitable temperature
Step 4
What is the purpose of the oil in tube D?
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Answer
The purpose of the oil in tube D is to exclude oxygen from the environment, thereby preventing germination under those conditions.
Step 5
Why were many seeds added to each tube rather than using just one seed in each tube?
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Answer
Many seeds were added to each tube to increase the chances of observing germination. Some seeds may fail to germinate due to various factors, such as being non-viable or not having enough nutrients.
Step 6
Which tube acted as a control?
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Answer
Tube A acted as a control.
Step 7
State the results of your investigation:
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Answer
Tube A: Germination
Tube B: No germination
Tube C: No germination
Tube D: No germination
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