ASVAB General Science Practice Test 150896 Results

Your Results Global Average
Questions 5 5
Correct 0 3.40
Score 0% 68%

Review

1

A biological community of interacting organisms and their physical environment is known as:

79% Answer Correctly

biome

population

community

ecosystem
Solution

An ecosystem is a biological community of interacting organisms and their physical environment. This includes both the biotic (living) and abiotic (non-living).

2

Which of the following substances gives up positively charged hydrogen ions (H+) when dissolved in water?

55% Answer Correctly

acid

alkaline

base

solution
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.

3

In the food chain, consumers are classified as which of the following?

73% Answer Correctly

secondary

all of these

primary

tertiary
Solution

Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.

4

The connective tissue that connects bones to other bones at joints is called:

70% Answer Correctly

ligaments

knuckles

tendons

cartilage
Solution

Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).

5

Secondary consumers that also eat producers are known as:

62% Answer Correctly

omnivores

scavengers

carnivores

herbivores
Solution

Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.