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Which of the following is not required for seed germination?
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- Water
- Air
- Sunlight
- Suitable temperature
Correct Option: C
Plants need sunlight to conduct the carbohydratemaking process called photosynthesis in their green leaves and stems. Seeds do not contain green pigment, but merely a dormant embryo. Seeds do not need to bask in sunlight to germinate. However, the warmth from sunlight can create a soil environment more conducive for germination. The requirements for seed germination vary among all plant species. Usually, direct sunlight is harmful to the process of germination and initial development of the sprout.