Science Quiz #281
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Q1. The endocrine glands secrete their products directly into what rather than through a duct?
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Q2. What is a dandie dinmont?
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Q3. What was believed to be a hemisphere above the ground, carrying the fixed stars and surrounding the seven spheres of the planets, through which the Sun and Moon moved in and out through a series of openings?
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Q4. What vitamin is riboflavin?
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Q5. What is another name for ultra-violet light?
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Q6. Anti-retroviral drugs are used to treat what disease?
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Q7. A way of looking at mathematical relationships and operations using abstract symbols instead of specific numbers is called what?
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