Multiple choice

1. In the body of a human or other complex organism, a group of similar cells performing similar functions is called a/an

A. organ. 

B. tissue. 

C. organ system.

D. cell.

2. In the human body, which of the following is part of the axial skeleton?

A. Clavicle 

B. Femur 

C. Sternum

D. Ulna

3. The purpose of the cuticle in plants is to

A. minimize water loss. 

B. provide support. 

C. transport water.

D. support plant functions.

4. The colored part of the human eye is the

A. pupil. 

B. retina. 

C. cornea.

D. iris.