Question 1

Which of the following best describes the four main stages of food processing in animals, in the correct order?

Accepted Answer

Ingestion, digestion, absorption, elimination

Question 2

In the human digestive system, which enzyme is responsible for breaking down starches into simpler sugars in the mouth?

Accepted Answer

Amylase

Question 3

After nutrients are absorbed in the small intestine, which blood vessel carries glucose-rich blood directly to the liver for processing?

Accepted Answer

Hepatic portal vein

Question 4

Which structure in the small intestine increases surface area for nutrient absorption?

Accepted Answer

Villi

Question 5

Which of the following is a major advantage of gas exchange in water compared to air?

Accepted Answer

Water supports delicate respiratory surfaces

Question 6

During intense flight, how do insects generate extra energy?

Accepted Answer

By using a tracheal system to deliver more oxygen directly to tissues

Question 7

Trace the path of carbon dioxide as it exits the human body, starting from the blood:

Accepted Answer

Blood → alveoli → bronchioles → bronchi → trachea → pharynx → nasal cavity

Question 8

Which of the following best describes the function of the lymphatic system in nutrient absorption?

Accepted Answer

It absorbs fatty acids and glycerol from the intestine and transports them as chylomicrons

Question 9

Which of the following is the correct sequence of electrical conduction in the heart?

Accepted Answer

SA node → AV node → bundle branches → Purkinje fibers

Question 10

Which hormone is released from the pancreas in response to rising blood glucose levels after a meal?

Accepted Answer

Insulin

Question 11

Which of the following best explains how hormones 'know' which cells to target?

Accepted Answer

Target cells have specific receptors for each hormone

Question 12

Which of the following is a function of mineralocorticoids?

Accepted Answer

Regulation of blood sodium and potassium levels

Question 13

Which of the following best describes the difference between oogenesis and spermatogenesis?

Accepted Answer

Oogenesis is completed before birth, while spermatogenesis occurs continuously after puberty

Question 14

Which of the following is NOT a function of the immune system?

Accepted Answer

Production of hormones

Question 15

Which of the following best describes herd immunity?

Accepted Answer

Immunity that occurs when a large portion of a population is immune, reducing disease spread

Question 16

Which of the following best describes the role of antibodies in fighting infections?

Accepted Answer

They bind to antigens, marking pathogens for destruction by other immune cells

Question 17

Which of the following best describes the function of the pituitary gland?

Accepted Answer

It acts as the master gland, releasing hormones that control other endocrine glands

Question 18

Which of the following is a correct description of the resting membrane potential in a neuron?

Accepted Answer

The inside of the neuron is more negative than the outside

Question 19

Which of the following best describes the effect of an excitatory neurotransmitter on a postsynaptic neuron?

Accepted Answer

It opens Na$$^+$$ channels, moving the membrane potential closer to threshold

Question 20

Which of the following best describes an r-selected species?

Accepted Answer

Produces many offspring with little investment in each

BIOL 1002 Final Exam Study Guide: Key Concepts in Animal Physiology, Ecology, and Population Biology

Study Guide - Practice Questions