AFCT General Science: Life and Biological 2

Question 1

What is the primary function of mitochondria in a cell?

Accepted Answer

Producing ATP (energy) through cellular respiration

Answer

Protein synthesis

Answer

Cell division

Answer

Storing genetic information

Question 2

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

Accepted Answer

Photosynthesis

Answer

Cellular respiration

Answer

Fermentation

Answer

Transpiration

Question 3

What molecule carries genetic instructions for the development and function of living organisms?

Accepted Answer

DNA

Answer

RNA

Answer

ATP

Answer

Protein

Question 4

What is the function of white blood cells in the human body?

Accepted Answer

Defending the body against infections and foreign invaders

Answer

Carrying oxygen to tissues

Answer

Clotting blood at wound sites

Answer

Transporting nutrients through the bloodstream

Question 5

What is natural selection?

Accepted Answer

A process where organisms with traits better suited to their environment survive and reproduce more successfully

Answer

The random mutation of genes in a population

Answer

The deliberate breeding of organisms for desired traits

Answer

The migration of species to new environments

Question 6

What is the role of the cell membrane?

Accepted Answer

To control what enters and exits the cell

Answer

To produce energy for the cell

Answer

To store the cell's DNA

Answer

To synthesize proteins