How Do Oysters Make Pearls?

Interactive Video
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Science, Biology
•
11th Grade - University
•
Hard
Wayground Content
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between pearls and other gemstones?
Pearls are found only in freshwater.
Pearls are made of pure carbon.
Pearls are formed inside living organisms.
Pearls are mined from the earth.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What initiates the formation of a pearl inside an oyster?
A drop of water
A piece of seaweed
A small irritant
A grain of sand
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of nacre in pearl formation?
It coats the irritant to form a pearl.
It forms the outer shell of the oyster.
It provides nutrients to the oyster.
It dissolves the irritant.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do cultured pearls differ from natural pearls?
Cultured pearls are found only in freshwater.
Cultured pearls are created with human intervention.
Cultured pearls are formed without any irritant.
Cultured pearls are always larger.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main component of nacre?
Sodium chloride
Magnesium oxide
Silicon dioxide
Calcium carbonate
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