What is the primary function of latherin in horse sweat?
Dangerous Soaps: How Animals Use Surfactants

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Science, Chemistry, Engineering
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To create a soapy appearance
To cool the horse by spreading sweat
To attract other animals
To make the horse's coat shiny
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do surfactants in detergents help in cleaning?
By increasing the temperature of water
By changing the color of the fabric
By attracting dirt and grease with their hydrophobic ends
By making water evaporate faster
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common feature of all surfactants?
They are used only in cleaning products
They are only found in nature
They have both hydrophilic and hydrophobic ends
They are all hydrophilic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unusual defense mechanism do army worm caterpillars use against fire ants?
They release a foul odor
They regurgitate surfactant-rich liquid
They change color to blend in
They hide underground
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are surfactants useful as wetting agents?
They change the color of the liquid
They make liquids evaporate quickly
They help liquids spread out on solid surfaces
They increase the viscosity of liquids
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of RSN Two in Tungara frog nests?
To attract predators
To repel water
To stabilize the foam nests
To make the nests colorful
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are scientists interested in studying gentle surfactants like RSN Two?
To make stronger cleaning agents
To develop edible foams and medical applications
To improve the taste of food
To create more colorful detergents
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