Level 8 Biology Pre-Test

What is the basic unit of life in all living organisms?

• Tissue

• Cell

• Organ

• Organ system

Which of the following is a function of the cell membrane?

• Produces energy

• Controls the movement of substances in and out of the cell

• Stores genetic information

• Synthesises proteins

What is the primary function of red blood cells in multicellular organisms?

• To fight infections

• To transport oxygen

• To produce hormones

• To digest food

Which organ system is responsible for transporting nutrients, gases, and wastes in the body?

• Digestive system

• Respiratory system

• Circulatory system

• Nervous system

What is the role of the mitochondria in a cell?

• To store water

• To produce energy

• To control cell division

• To synthesise proteins

Which of the following is NOT a characteristic of multicellular organisms?

• They have specialised cells

• They are composed of a single cell

• They have organ systems

• They can grow and develop

What is the function of the digestive system in multicellular organisms?

• To circulate blood

• To break down food and absorb nutrients

• To protect against disease

• To control body temperature

Which structure in the cell contains the genetic material?

• Ribosome

• Nucleus

• Golgi apparatus

• Endoplasmic reticulum

What is the main function of white blood cells?

• To transport oxygen

• To fight infections

• To carry nutrients

• To remove waste

Which organ system is primarily responsible for removing waste products from the body?

• Respiratory system

• Digestive system

• Excretory system

• Nervous system