Science Quiz #419
Science and Nature Quiz for 25 January 2017
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
1
Which of these is a herb used as a flavouring in cookery which grows to about 1 foot high, and has purple flowers and oblong leaves?
Select from the options above.
2
What is the term for the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated, common examples of which include the behaviour of light, sound and water waves?
Select from the options above.
3
What is the term for a period of isolation to prevent the spread of disease?
Select from the options above.
4
The root of which plant, native to South America, is (in various forms) emetic, diaphoretic and expectorant, a stimulant to the stomach, intestines and liver, and a restorative?
Select from the options above.
5
What name is given to the product of mass and velocity?
Select from the options above.
6
Which of these is not green?
Select from the options above.
7
What can be inserted to provide for delivery or drawing off liquid into or from a blood vessel, or inserting a surgical instrument?
Select from the options above.
