Biology Objective Questions

The correct order of organization in living organisms is

• Cell → Tissue → Organ → System → Organism

• Tissue → Cell → Organ → System → Organism

• Cell → Organ → Tissue → System → Organism

• Organ → Tissue → Cell → System → Organism

The smallest living unit capable of carrying out life activities is the

• tissue

• organ

• cell

• system

A group of similar cells working together to perform a specific function is called a

• system

• tissue

• organ

• organism

Which of the following is an example of a tissue?

• Heart

• Kidney

• Blood

• Stomach

An organ is best described as

• a group of tissues performing a specific function

• a group of cells performing different functions

• a system of organs

• a collection of similar organisms

Which of the following is an organ system?

• Leaf

• Heart

• Digestive system

• Xylem

The level of organization that performs a particular function in the body is the

• cell

• tissue

• organ

• organism

Which of the following organs is involved in respiration in humans?

• Kidney

• Lung

• Liver

• Heart

Which of the following is common to both plant and animal cells?

• Cell wall

• Chloroplast

• Nucleus

• Large vacuole

The organ that pumps blood in mammals is the

• lung

• liver

• heart

• kidney