MDCAT 2025 Biology Biotechnology Test Online Mcqs

MDCAT Biology Biotechnology Test

Boost your MDCAT 2025 Biology preparation with this Biotechnology online MCQ test, aligned with the official PMDC syllabus. Practice important topics like genetic engineering, cloning, recombinant DNA, and biotechnology applications through chapter-wise multiple-choice questions to enhance your understanding and exam readiness.

MDCAT 2025 Biotechnology Test

Biology Biotechnology MCQS Online Question with Answer

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1. Which of the following diseases can be treated using interferons?

Common cold

Cancer

Flu

Tuberculosis

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2. What is the role of biotechnology in hepatitis B treatment?

It reduces blood sugar

It repairs the liver

It produces vaccines using recombinant DNA

It removes toxins

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3. Which medical test uses biotechnology to detect pregnancy?

CT scan

MRI

Ultrasound

Urine dipstick test

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4. How does biotechnology assist in rapid disease detection?

By increasing heart rate

By sterilizing hospital beds

By boiling blood

By using DNA-based tests

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5. Which biotechnology-based product helps treat multiple sclerosis?

Penicillin

Insulin

Monoclonal antibodies

Interferon beta

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6. Which tool is used to cut DNA for genetic engineering?

Helicase

Polymerase

Ligase

Restriction enzymes

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7. What is the source of genetic material used in DNA vaccines?

Pathogen genes

Antibiotic genes

Mineral salts

Human growth hormone

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8. What is the primary advantage of recombinant biotechnology?

High cost

Mass production of human proteins

Slow results

Unpredictable outcomes

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9. How do monoclonal antibodies help in diagnosing diseases?

They stimulate red blood cells

They increase metabolism

They alter DNA

They bind to disease-specific antigens

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10. What is the major application of DNA fingerprinting in healthcare?

Genetic disorder detection

Cancer treatment

Bone repair

Crime scene investigation

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11. Which of the following is an example of passive immunization?

Consumption of antibiotics

Getting a flu shot

Injection of monoclonal antibodies

Natural exposure to virus

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12. In genetic testing, what is the function of a DNA probe?

Stimulate immunity

Visualize blood cells

Identify specific DNA sequences

Destroy cells

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13. How is biotechnology used in diagnosing COVID-19?

RT-PCR tests

DNA sequencing

MRI scans

Glucose monitoring

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14. Which type of antibody is produced by a single clone of cells?

Polyclonal antibody

Passive antibody

Monoclonal antibody

Artificial antibody

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15. What does ELISA stand for?

Elastic Light Indicator of Serum Antibodies

Electro-Light Immuno Series Assay

Enzyme-Linked Immunosorbent Assay

Enzyme-Lipid Ion Sensing Assay

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16. Which type of cell is used to produce monoclonal antibodies?

Stem cells

Red blood cells

Muscle cells

Hybridoma cells

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17. Which biotechnological tool is used to detect specific DNA or RNA sequences?

DNA/RNA probes

Antibiotics

Hormones

Vaccines

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18. Which of the following is a feature of monoclonal antibodies?

They only treat diabetes

They bind to one specific antigen

They act as digestive enzymes

They are non-specific

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19. Which of the following is produced using genetically engineered bacteria?

Bile

Human insulin

Vitamin D

Saliva

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20. What is the benefit of using DNA vaccines?

Long-lasting immunity with minimal risk

High mutation rates

Limited response

Risk of infection

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21. Which of the following is a biotechnology product used for anemia treatment?

Erythropoietin

Interleukin

Amylase

Penicillin

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22. What is the main benefit of using biotechnology in vaccine development?

It replaces antibiotics

It shortens immunity

It increases sugar levels

It allows precise and faster vaccine production

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23. Which of these is a primary use of DNA probes?

Killing bacteria

Producing insulin

Diagnosing genetic diseases

Generating electricity

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24. Which of the following is a biotechnology-based product used to dissolve blood clots?

Streptokinase

Lactase

Urea

Lipase

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25. What is the advantage of using monoclonal antibodies in diagnosis?

They are cheap

They act like painkillers

They are highly specific to target antigens

They are fast-growing

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26. Which organ system benefits directly from erythropoietin?

Nervous system

Digestive system

Respiratory system

Circulatory system

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27. Which of the following is a product of biotechnology used to prevent viral infections?

Painkillers

Vaccines

Antibiotics

Steroids

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28. Which of the following is NOT used in biotechnology-based diagnosis?

DNA probes

Monoclonal antibodies

PCR

X-rays

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29. Which of the following is a therapeutic product obtained through biotechnology?

Alcohol

Fructose

Vinegar

Interferon

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30. Monoclonal antibodies are used in:

Producing insulin

Fighting infections

Fermentation

Diagnosing and treating diseases

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31. What is the role of biotechnology in personalized medicine?

Uses one-size-fits-all drugs

Avoids use of DNA

Treats all patients the same

Customizes treatments based on genetic makeup

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32. Which technique is used to create multiple copies of a DNA segment for diagnosis?

PCR (Polymerase Chain Reaction)

Gel electrophoresis

Gene therapy

Microinjection

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33. What is the role of biotechnology in producing insulin?

It strengthens bones

It uses genetically modified bacteria to produce human insulin

It breaks down food

It kills bacteria

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34. Which disease is commonly diagnosed using DNA probes?

Pneumonia

Malaria

Flu

Sickle cell anemia

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35. How are monoclonal antibodies made?

By combining different hormones

By fusing a B-cell with a cancer cell

By culturing bacteria

By injecting insulin

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36. What is the function of monoclonal antibodies in cancer treatment?

Stimulate hair growth

Regulate heart rate

Bind to cancer cell antigens

Destroy hormones

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37. Why are monoclonal antibodies considered ideal for targeted therapy?

They are cheap

They produce energy

They are highly specific to one antigen

They bind to multiple antigens

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38. Which biotechnology-derived hormone is used to treat diabetes?

Estrogen

Testosterone

Glucagon

Insulin

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39. Biotechnology is used to create vaccines by:

Replacing organs

Destroying blood cells

Using weakened or inactive pathogens or parts of them

Changing oxygen levels

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40. Which biotechnological advancement is used for early cancer detection?

Monoclonal antibody markers

Antacids

Blood pressure monitor

Ultrasound

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41. What is recombinant DNA?

DNA inside red blood cells

DNA formed by joining DNA from two sources

DNA from the environment

DNA mutated naturally

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42. Which component helps detect diseases in ELISA test kits?

Monoclonal antibodies

White blood cells

Antibiotics

Red blood cells

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43. Which of the following diseases can be prevented using biotechnology-produced vaccines?

Tuberculosis

Arthritis

Diabetes

Anemia

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44. Which biotechnology product helps treat clotting disorders?

Amylase

Factor VIII

Hemoglobin

Insulin

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45. Which of the following is commonly used as a host in genetic engineering?

Human

Yeast only

Bacteria

Virus

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46. What makes biotechnology crucial in future health care?

Enables early diagnosis, effective treatment, and prevention

Slows treatment

Increases sugar levels

Replaces doctors

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47. What is the main purpose of a vaccine?

Stimulate immunity

Kill pathogens

Repair tissues

Relieve symptoms

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48. Which of the following is a benefit of genetically engineered vaccines?

They are less effective

They require daily doses

They are safer and more specific

They are only for animals

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49. Which of the following is NOT a product of biotechnology?

Antibiotics

Radiation therapy

Monoclonal antibodies

Vaccines

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