General Science Quiz 48 (20 MCQs)

Quiz Instructions

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1. According to Wegener, about 300 million years ago, claimed that the continents were once connected in a giant land mass called a supercontinent, which means all of the earth. The other term for this is
2. .....belongs to condiments
3. The group that undergoes the change
4. The human shoulder is a ball and socket joint.
5. What is the center of an atom called?
6. Zebra and horse of similar just lion jaguar .....
7. The air is said to be saturated when the number of molecules leaving the liquid state is the same as the molecule condensing
8. The only element which has completed its duplet
9. Those at greatest risk of food-borne illness include.....
10. A cloud of gas and dust left behind after an explosive supernova.
11. What are the polymers of proteins?
12. The trees in rainforests create a:
13. A cylindrical coil of wire, used to produce a magnetic field when an electrical current passes through the wire
14. Light rays that pass through a..... are spread apart.
15. Which is not a chemical element needed to build sugars?
16. Typical people have how many baby teeth as kids?
17. ..... is used in fire extinguisher
18. The periodic table designed by..... was incomplete
19. The ratio of the ages of A and B at present is 3:1. Four years earlier the ratio was 4:1. The present age of A is
20. Which of the following is unicellular?