ASVAB General Science Practice Test 655380 Results

Your Results Global Average
Questions 5 5
Correct 0 3.27
Score 0% 65%

Review

1

What is a major difference between the somatic and autonomic nervous systems?

83% Answer Correctly

one controls voluntary activity, one controls involuntary activity

one controls thinking, the other controls feeling

each belongs to a different nervous system

one is inherited, the other is learned
Solution

Both are part of the peripheral nervous system. The somatic nervous system sends sensory information to the central nervous system and controls voluntary actions while the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.

2

In taxonomy, domains are the broadest classification of life. How many domains are there?

61% Answer Correctly

dozens

3

6

5
Solution

The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.

3

Which of the following substances gives up negatively charged hydroxide ions (OH-) when dissolved in water?

42% Answer Correctly

base

ion

hydrogen

acid
Solution

An acid is a substance that gives up positively charged hydrogen ions (H+) when dissolved in water. A base (alkaline) gives up negatively charged hydroxide ions (OH-) when dissolved in water. pH is a scale that measures of how basic or acidic a solution is. Numbered from 0 to 14, solutions with a pH of 7 are neutral, less than 7 are acidic, more than 7 are alkaline.

4

Which of the following is not a method of heat transfer?

68% Answer Correctly

convection

reflection

radiation

conduction
Solution

Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.

5

Minerals, vitamins, and fiber are:

69% Answer Correctly

proteins

micronutrients

macronutrients

carbohydrates
Solution

Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.