Free Homeostasis MCQs with Answers
698 Homeostasis MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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Read the Homeostasis notesFree MDCAT chapter notes with key terms698 questions · page 23 of 35
- A. One
- B. Two
- C. Three
- D. Four
Explanation: Each antibody consists of four polypeptides-two heavy chains and two light chains.
Correct answer: Two- A. One
- B. Two
- C. Three
- D. Four
Explanation: Each antibody consists of four polypeptides-two heavy chains and two light chains
Correct answer: Two- A. Heavy part
- B. Variable part
- C. Light part
- D. Constant part
Explanation: The variables region, composed of 110-130 amino acids, give the antibody its specificity for binding antigen.
Correct answer: Variable part- A. Disulphide bonds
- B. Hydrogen bonds
- C. Phosphodiester bonds
- D. Ionic bonds
Explanation: An antibody molecule consists of four polypeptide chains-two identical light chain and two identical heavy chains-linked by disulfide…
Correct answer: Disulphide bonds- A. Antigen
- B. Antibody
- C. Immunogen
- D. Food
Explanation: Any substance that elicits an immune response, by inducing production of antibodies is called antigen.
Correct answer: Antigen- A. Alpha cells
- B. B-cells
- C. T-cells
- D. Delta cells
Explanation: B-cells recognize antigen and form plasma cell clone. These plasma cells synthesize and liberate antibodies into the blood plasma and…
Correct answer: B-cells- A. Antigen
- B. Antibody
- C. Prion
- D. Virion
Explanation: Any substance that elicits an immune response, by inducing production of antibodies is called antigen.
Correct answer: Antigen- A. Antigen
- B. Antibody
- C. Virion
- D. Food
Explanation: Any substance that elicits an immune response, by inducing production of antibodies is called antigen.
Correct answer: Antigen- A. Prion
- B. Immunity
- C. Antigen
- D. Antibody
Explanation: The capacity to recognize the intrusion of any material foreign to the body and to mobilize cells products to help remove the particular…
Correct answer: Immunity- A. Bacteriology
- B. Virology
- C. Ethology
- D. Immunology
Explanation: The study of our protection from foreign macro molecules or invading organisms and our responses to them is called immunology.
Correct answer: Immunology- A. Viroid
- B. Immunity
- C. Antigen
- D. Antibody
Explanation: Globular blood proteins that are produced by B-lymphocytes and that bind specifically to foreign antigenic materials in the body and…
Correct answer: Antibody452. Cells of immune system which respond to foreign substances sometimes secrete antibodies called:
- A. Lymphocytes
- B. Monocytes
- C. Erythrocytes
- D. Macrophages
Explanation: Lymphocytes of the immune system, which respond to foreign substances, sometimes secrete antibodies.
Correct answer: Lymphocytes- A. Virology
- B. Immunity
- C. Protection
- D. Immunology
Explanation: The branch of biology that is the study of our protection from foreign macromolecules or invading organisms and our responses to them is…
Correct answer: Immunology- A. Immune Response
- B. Immunity
- C. Temperature Response
- D. Inflammatory Response
Explanation: The body's response to foreign particles, such as the production of antibodies directed against a specific antigen, is called immune…
Correct answer: Immune Response- A. B-lymphocyte
- B. T-lymphocyte
- C. Monocytes
- D. Neutrophiles
Explanation: Natural Killer Cells are the type of T-lymphocytes. They are also called cytotoxic T-cells.
Correct answer: T-lymphocyte- A. Helper T-cells
- B. Suppressor T-cells
- C. Memory T-cells
- D. Cytotoxic T-cells
Explanation: These cells secrete cytotoxin which triggers destruction of the pathogen's DNA or perforin which is a protein that creates holes in the…
Correct answer: Cytotoxic T-cells- A. Haemoglobin
- B. Antibodies
- C. Interferons
- D. Myoglobin
Explanation: Antibodies (also called immunoglobulin or Ig's) are Y-shaped proteins that circulate through the blood stream and bind to specific…
Correct answer: Antibodies- A. Blood, Lymph
- B. Water, Flood
- C. Water, Injection
- D. Food, Injection
Explanation: The antibodies are transported through blood and the lymph to the pathogen invasion sites.
Correct answer: Blood, Lymph- A. Natural Active Immunity
- B. Artificial Active Immunity
- C. Natural Passive Immunity
- D. Artificial passive immunity
Explanation: Natural active immunity is the kind of immunity, which is obtained as a result of an infection.
Correct answer: Natural Active Immunity- A. Monocytes
- B. B-lymphocytes
- C. Basophils
- D. Granulocytes
Explanation: B -cells recognize antigen and form plasma cell clone. These plasma cells synthesise and liberate antibodies into the blood plasma and…
Correct answer: B-lymphocytes