AFOQT AFOQT General Science Biology and Chemistry 3

Question 1

Which vitamin is synthesized in human skin upon exposure to ultraviolet light?

Accepted Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin B12

Answer

Vitamin C

Question 2

The study of heredity and the variation of inherited characteristics is called:

Accepted Answer

Genetics

Answer

Ecology

Answer

Physiology

Answer

Taxonomy

Question 3

Which part of the human nervous system controls involuntary functions such as heart rate and digestion?

Accepted Answer

Autonomic nervous system

Answer

Somatic nervous system

Answer

Central nervous system only

Answer

Peripheral nervous system only

Question 4

Elements in the same group (column) of the periodic table share:

Accepted Answer

Similar chemical properties

Answer

The same atomic mass

Answer

The same number of neutrons

Answer

The same number of protons

Question 5

The process of cell division that produces two genetically identical diploid daughter cells is:

Accepted Answer

Mitosis

Answer

Meiosis

Answer

Fertilization

Answer

Mutation

Question 6

Which of the following is an example of a physical change rather than a chemical change?

Accepted Answer

Ice melting

Answer

Iron rusting

Answer

Wood burning

Answer

Baking soda reacting with vinegar