NEW
Font size
WorksheetsBiology Unit Revision Quiz
Total questions: 25
Worksheet time: 13mins
Which body system works closely with the endocrine system to maintain homeostasis?
Digestive
Circulatory
Nervous
Respiratory
Which of the following best describes a gland?
A muscle that pumps blood
A nerve ending that detects temperature
A structure that secretes hormones
A cell that stores oxygen
Which part of the brain controls automatic body functions like heart rate and breathing?
Cerebrum
Cerebellum
Brainstem
Corpus callosum
Which of the following describes a positive feedback loop?
It reduces the intensity of a stimulus
It reverses a condition to return to normal
It amplifies a change in the body
It maintains a stable condition
The hormone adrenaline is most commonly released in response to:
Hunger
Sleep
Stress or fear
Infection
Which hormone raises blood glucose levels?
Insulin
Melatonin
Glucagon
Testosterone
Which organ produces sperm in the male reproductive system?
Epididymis
Testes
Urethra
Penis
Which of the following best explains how hormones function in the body?
They digest food
They act as chemical messengers
They transport oxygen
They produce white blood cells
Which of the following is not part of the nervous system?
Brain
Spinal cord
Pancreas
Nerves
Which of these responses is part of the body's second line of defense?
Skin
Stomach acid
Inflammation
Mucus
Which of these diseases is caused by a bacterial pathogen?
Influenza
Tuberculosis
HIV
Measles
Which of the following is an example of a lifestyle-related, non-infectious disease?
Asthma
Cancer
COVID-19
Ringworm
Which practice directly helps prevent airborne transmission of infectious diseases?
Wearing a mask
Using insect repellent
Avoiding shared food
Using sunscreen
Which best describes herd immunity?
Everyone gets infected
Only children get vaccinated
Enough people are immune to prevent disease spread
Only sick people are isolated
What role do white blood cells play in the immune system?
They produce insulin
They form scabs
They defend the body from infection
They transport oxygen
What is the role of a vaccine?
Destroy bacteria
Train the immune system
Increase metabolism
Cure infections immediately
Which of the following is not a symptom of an immune response?
Swelling
Fever
Sneezing
Sweating
Which method prevents vector-borne transmission of disease?
Avoiding handshakes
Disinfecting water
Using mosquito nets
Wearing gloves
Which of the following statements is true?
All diseases are infectious
Infectious diseases can be genetic
Non-infectious diseases cannot spread between people
You cannot recover from infectious diseases
What is the function of myelin sheath in a neuron?
Receive signals
Generate impulses
Speed up impulse transmission
Store neurotransmitters
What part of the neuron sends the signal to the next neuron?
Dendrites
Soma
Axon terminal
Myelin sheath
How does the first line of defense protect the body from pathogens?
By producing antibodies to destroy pathogens
By physically blocking or trapping pathogens from entering the body
By increasing body temperature to kill pathogens
By directly attacking infected cells
Which of the following is an example of an infectious disease?
Diabetes
Influenza
Asthma
Hypertension
What is the cause of a non-infectious disease?
Bacteria or viruses
Fungi or parasites
Genetic factors or lifestyle choices
Transmission from person to person
Which of the following best describes the cause of an infectious disease?
Poor diet
Pathogens such as bacteria or viruses
Lack of exercise
Environmental pollution
