AFCT General Science Concepts 3

Question 1

What is the smallest unit of an element that retains its chemical properties?

Accepted Answer

Atom

Answer

Molecule

Answer

Cell

Answer

Electron

Question 2

Which organ in the human body is responsible for filtering blood and producing urine?

Accepted Answer

Kidney

Answer

Liver

Answer

Pancreas

Answer

Spleen

Question 3

What is the process by which plants convert sunlight into chemical energy?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Fermentation

Answer

Osmosis

Question 4

What force keeps planets in orbit around the sun?

Accepted Answer

Gravitational force

Answer

Magnetic force

Answer

Nuclear force

Answer

Centrifugal force

Question 5

Which state of matter has a definite volume but no definite shape?

Accepted Answer

Liquid

Answer

Solid

Answer

Gas

Answer

Plasma

Question 6

What is the pH of pure water?

Accepted Answer

7

Answer

0

Answer

14

Answer

1