Q: What part of the plant do nutrients enter? Choices: - the seeds - the flower - the stem - the roots A:
the roots
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Q: Electromagnets can be controlled by controlling what type of current? Choices: - magnetic - positive - negative - electric A:
electric
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Q: There are three basic types of hormones: lipid-derived, amino acid-derived, and what? Choices: - manipulated - secreted - acidic - peptide A:
peptide
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Q: What major pigment in the photosynthetic system is based on a complex molecule and gives plants their green color? Choices: - chloroplasm - melanin - cadmium - chlorophyll A:
chlorophyll
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