TREE PROPAGATION AND PLANTING
SEED PROPAGATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the conditions that plants need to germinate?
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water, warmth, oxygen
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water, warmth, sunlight
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water, sunlight, carbon dioxide
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water, sunlight, air
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Explanation:
Detailed explanation-1: -Light, water, oxygen, and temperature are essential conditions for seed germination.
Detailed explanation-2: -Water allows the seed to swell up and all the chemical reactions involved in the growth of the embryo to take place. Oxygen is needed for aerobic respiration which provides the energy the embryo needs to carry out cell division and grow. Warmth is required for the enzymes to carry out respiration and cell division.
Detailed explanation-3: -Oxygen, suitable temperature and water.
Detailed explanation-4: -Water: Germination cannot occur unless and until the seed is provided with an external supply of water. Oxygen: Temperature:
There is 1 question to complete.