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16 Cards in this Set
- Front
- Back
What are three factors needed for germination? |
1. Temperature 2. Water 3. Oxygen |
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Why is oxygen needed for germination? |
It is needed for respiration (to provide energy for growth and cellular processes) |
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Why is water needed for germination? |
It is needed because it softens the testa, activates enzymes and converts starch inside seed into usable sugar. |
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Why is temperature needed for germination? |
It is needed to activate enzymes which begin the growth process. |
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Cotyledon |
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Testa (seed coat) |
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Plumule |
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Radicle |
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Micropyle |
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What is the function of the Testa? |
To protect the seed |
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What is the function of a Cotyledon? |
To provide food for the first leaves to grow. (proteins, fats, and starches). Plants with one cotyledon are called Monocotyledons, plants with two are called Dicotyledons. |
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What is the function of the Plumule? |
It is the first shoot. |
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What is the function of the Radicle?
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It is the first root. |
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What is the function of a Micropyle? |
It is a small hole that lets water into the seed. |
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Which is a monocotyledon? |
A |
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Which is a dicotyledon? |
B |