AFOQT general science proficiency Knowledge Test
Questions and Certified Correct Answers 2025/2026
Skeletal system - correct answer carries the body and supports and
protects the vital organs
Muscular system - correct answer enables the body to move; about 40%
of body weight
Nervous system - correct answer controls movement, provides
communication between the organism and its environment
Endocrine system - correct answer includes glands that regulate growth,
blood pressure, and other functions
Respiratory system - correct answer provides means to inhale air with
oxygen and exhale carbon dioxide
Circulatory system - correct answer includes the heart and blood vessels,
which transports oxygen and nutrients to cells throughout the body
Lymphatic system - correct answer assists with bringing oxygen to cells
and removing waste products from them
Digestive system - correct answer processes and helps distribute
nutrients
Excretory system - correct answer removes wastes from the body
, Reproductive system - correct answer gives humans the means to
reproduce and continue the species
Disease - correct answer a disorder or problem that keeps the body or its
organs from functioning as they are designed
Infectious diseases - correct answer can be caused by germs or bacteria,
fungi, viruses, or even parasitic worms. Most infectious diseases are
contagious--they can be passed by contact of some sort between an
infected individual and a uninfected individual
Noninfectious diseases - correct answer can be caused by malnutrition,
poisoning, radiation, or the malfunction of a bodily system such as the
endocrine system.
Immune system - correct answer takes care of germs that get past the
skin, mucous membrane, saliva, and stomach acid. Includes lymph cells,
white blood cells, and antibodies (custom made by the body to fight specific
invaders).
Genetics - correct answer the study of the ways that characteristics are
passed from parents to offspring
Three basic laws of heredity (gregor mendel) - correct answer 1. Law of
segregation
2. Law of independent assortment
3. Law of dominance
Questions and Certified Correct Answers 2025/2026
Skeletal system - correct answer carries the body and supports and
protects the vital organs
Muscular system - correct answer enables the body to move; about 40%
of body weight
Nervous system - correct answer controls movement, provides
communication between the organism and its environment
Endocrine system - correct answer includes glands that regulate growth,
blood pressure, and other functions
Respiratory system - correct answer provides means to inhale air with
oxygen and exhale carbon dioxide
Circulatory system - correct answer includes the heart and blood vessels,
which transports oxygen and nutrients to cells throughout the body
Lymphatic system - correct answer assists with bringing oxygen to cells
and removing waste products from them
Digestive system - correct answer processes and helps distribute
nutrients
Excretory system - correct answer removes wastes from the body
, Reproductive system - correct answer gives humans the means to
reproduce and continue the species
Disease - correct answer a disorder or problem that keeps the body or its
organs from functioning as they are designed
Infectious diseases - correct answer can be caused by germs or bacteria,
fungi, viruses, or even parasitic worms. Most infectious diseases are
contagious--they can be passed by contact of some sort between an
infected individual and a uninfected individual
Noninfectious diseases - correct answer can be caused by malnutrition,
poisoning, radiation, or the malfunction of a bodily system such as the
endocrine system.
Immune system - correct answer takes care of germs that get past the
skin, mucous membrane, saliva, and stomach acid. Includes lymph cells,
white blood cells, and antibodies (custom made by the body to fight specific
invaders).
Genetics - correct answer the study of the ways that characteristics are
passed from parents to offspring
Three basic laws of heredity (gregor mendel) - correct answer 1. Law of
segregation
2. Law of independent assortment
3. Law of dominance
