FREE SAT Biology Organismal Biology & Physiology Questions and Answers

Question 1

What is the function of the circulatory system?

Accepted Answer

Transports substances

Answer

Digests food

Answer

Controls movement

Answer

Filters air

Question 2

Which organ system controls body responses?

Accepted Answer

Nervous system

Answer

Digestive system

Answer

Respiratory system

Answer

Skeletal system

Question 3

Which structure is responsible for gas exchange in humans?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Diaphragm

Question 4

Which nutrient is the main energy source for cells?

Accepted Answer

Glucose

Answer

Protein

Answer

Vitamin C

Answer

Calcium

Question 5

Which system removes metabolic waste from the body?

Accepted Answer

Excretory system

Answer

Skeletal system

Answer

Muscular system

Answer

Lymphatic system

Question 6

What is the function of the skeletal system?

Accepted Answer

Support and movement

Answer

Digest nutrients

Answer

Produce hormones

Answer

Control breathing

Question 7

Which hormone regulates blood sugar?

Accepted Answer

Insulin

Answer

Adrenaline

Answer

Thyroxine

Answer

Estrogen

Question 8

Where does digestion begin in the human body?

Accepted Answer

Mouth

Answer

Stomach

Answer

Small intestine

Answer

Esophagus

Question 9

What is homeostasis?

Accepted Answer

Maintaining internal balance

Answer

Growth of an organism

Answer

Digesting food

Answer

Producing offspring