Free LET practice

General Sciences Practice Test

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General Education Professional Education Social Studies English Filipino General Sciences MAPEH TLE Mathematics

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Question 1 of 5 LET / General Sciences

Question 1 Light and Geometric Optics

As you observe a fish inside an aquarium, the fish appears to be bigger when underwater. When observed through the side, the fish seems closer than if you observe over the top. When you look through the corner, it appears to be that there are two fishes. What explains this observation?

A Reflection B Refraction C Interference D Diffraction

Question 2 Light and Geometric Optics

What happens when a light wave enters into a medium of different optical density?

A Its speed, frequency, and wavelength change. B Its frequency and wavelength change. C Its speed and frequency change. D Its speed and wavelength change.

Question 3 Acids and Bases

Sulfuric acid is not used in:

A Making Fertilizers B Detergents C All of the above D None of the above

Question 4 Ecology

What organism would most likely be in an arctic environment?

A Frog B Turtle C Rice birds D Walrus

Question 5 Biological Science

A root may perform all of the following functions, EXCEPT:

A photosynthesis B anchorage C food storage D water absorption