Plant Biology Quiz 39 (4 MCQs)

Quiz Instructions

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1. After fertilization, each ..... forms a seed, while each ..... forms a fruit.
2. Two main vascular bundles are the xylem and phloem. Food substances travel in the ..... and water and salts are mainly conducted in the .....
3. The seed coat of a seed is used for
4. Why does temperature have an effect on the rate of photosynthesis?