Science Quiz #809
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. What characterises deep sleep?
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Q2. What contagious behaviour has been observed between many animals and across species?
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Q3. What is the name for a defect of vision caused by deviation of eyes from parallel courses, giving the impression that the person is looking in two directions at once and meaning that the eyes cannot focus on a single point?
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Q4. Which of these is a sulphide of mercury?
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Q5. Hertz is the standard SI unit for the measurement of what?
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Q6. What part of the body does interstitial nephritis affect?
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Q7. Churning cream turns it into what?
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