Which of the following is true of normal human sensory structures?

Praxis 5005 Practice Test

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Question 1 of 5.

A. They detect stimuli such as light and heat in the environment

B. They transmit genetic information to the brain.

C. They are interchangeable with one another.

D. They generate force for locomotion.

Explanation: Sense detect. Genetic DNA. Not interchangeable. Locomotion muscle. Receptors.

Question 2 of 5.

The rotation of Earth around its axis is responsible for which of the following?

A. The force of gravity

B. The day and night cycle

C. The temperature differences between seasons

D. The movement of continents relative to one another

Explanation: Rotation day night. Gravity mass. Seasons tilt orbit. Continents drift. 24 hour cycle.

Question 3 of 5.

Which TIIREE of the following agricultural practices are most likely to have a negative impact on the environment?

A. Increasing the amount of fertilizer applied to a field to maximize crop yields

B. Providing a field with excessive amounts of water to maintain ground saturation

C. Applying nonselective herbicides to a field at the end of the growing season to eliminate weeds

D. Planting crops in a field with minimal disturbance of the surface soil to reduce soil erosion

Explanation: Fertilizer excess runoff pollution. Water excess waste salinization. Herbicides nonselective kill beneficial. No till positive. Negative practices harm. D positive conservation.

Question 4 of 5.

Which TWO of the following are powered most directly by the Sun's energy?

A. Surface currents in the ocean

B. Volcanic eruptions

C. Tectonic plate movements

D. Convection in the atmosphere

Explanation: Sun heats water winds currents convection. Volcanoes geothermal. Plates internal heat. Solar drive weather ocean.

Question 5 of 5.

Natural gas-fired power plants are considered greenhouse gas emitters because the burning of natural gas produces which of the following?

A. Hydrogen

B. Radon

C. Carbon dioxide

D. Helium

Explanation: Combustion CO2. Hydrogen fuel. Radon radioactive. Helium inert. Methane burn CO2.

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