ASVAB General Science Practice Test 265667 Results

Your Results Global Average
Questions 5 5
Correct 0 3.51
Score 0% 70%

Review

1

Herbivores are __________ that subsist on producers like plants and fungus.

72% Answer Correctly

scavengers

tertiary consumers

secondary consumers

primary consumers


Solution

Primary consumers (herbivores) subsist on producers like plants and fungus.  Examples are grasshoppers, cows, and plankton.


2

Within DNA, a variety of a particular gene is called a(n):

55% Answer Correctly

chromosome

homozygous

heterozygous

allele


Solution

The gene is the base unit of inheritance and is contained within DNA. A gene may come in several varieties (alleles) and there are a pair of alleles for every gene. If the alleles are alike, a person is homozygous for that gene. If the alleles are different, heterozygous.


3

Veins carry blood __________ the heart.

55% Answer Correctly

away from

within

back to 

all of these


Solution

Veins carry blood back to the heart from the body. While arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood. Like the heart, veins contain valves to prevent blood backflow.


4

Which of these is important for the body's maintenance, growth, and repair?

88% Answer Correctly

fats

fiber

protein

carbohydrates


Solution

Found in both animal sources (meat, fish, eggs, cheese) and vegetables (beans, nuts, some grains), proteins are important for the body's maintenance, growth, and repair.


5

What part of the nervous system is responsible for controlling involuntary actions like breathing, swallowing, and heartbeat?

63% Answer Correctly

cerebellum

medulla

cerebrum

spinal cord


Solution

Part of the brainstem, the medulla is the connection between the brain and the spinal cord. It controls involuntary actions like breathing, swallowing, and heartbeat.