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

They are cheap

They are fast-growing

They act like painkillers

They are highly specific to target antigens

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

Bile

Saliva

Vitamin D

Human insulin

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3. What is recombinant DNA?

DNA from the environment

DNA formed by joining DNA from two sources

DNA mutated naturally

DNA inside red blood cells

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

Ligase

Restriction enzymes

Helicase

Polymerase

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

It produces vaccines using recombinant DNA

It removes toxins

It reduces blood sugar

It repairs the liver

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

Estrogen

Insulin

Glucagon

Testosterone

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

Artificial antibody

Passive antibody

Polyclonal antibody

Monoclonal antibody

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

Urea

Lipase

Lactase

Streptokinase

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

Avoids use of DNA

Customizes treatments based on genetic makeup

Treats all patients the same

Uses one-size-fits-all drugs

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

Visualize blood cells

Destroy cells

Identify specific DNA sequences

Stimulate immunity

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

Stem cells

Red blood cells

Muscle cells

Hybridoma cells

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

They require daily doses

They are safer and more specific

They are only for animals

They are less effective

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

White blood cells

Antibiotics

Monoclonal antibodies

Red blood cells

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14. What is the benefit of using DNA vaccines?

Long-lasting immunity with minimal risk

Risk of infection

Limited response

High mutation rates

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

Monoclonal antibodies

X-rays

DNA probes

PCR

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

Gel electrophoresis

Gene therapy

PCR (Polymerase Chain Reaction)

Microinjection

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

Interferon

Fructose

Vinegar

Alcohol

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

Blood pressure monitor

Antacids

Monoclonal antibody markers

Ultrasound

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

Hormones

DNA/RNA probes

Vaccines

Antibiotics

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

Cancer treatment

Crime scene investigation

Genetic disorder detection

Bone repair

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21. How are monoclonal antibodies made?

By fusing a B-cell with a cancer cell

By injecting insulin

By culturing bacteria

By combining different hormones

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

Cancer

Flu

Tuberculosis

Common cold

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

It kills bacteria

It strengthens bones

It uses genetically modified bacteria to produce human insulin

It breaks down food

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

Bacteria

Yeast only

Virus

Human

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25. What is the main purpose of a vaccine?

Relieve symptoms

Kill pathogens

Stimulate immunity

Repair tissues

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26. Which medical test uses biotechnology to detect pregnancy?

Urine dipstick test

MRI

Ultrasound

CT scan

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27. Monoclonal antibodies are used in:

Fermentation

Fighting infections

Diagnosing and treating diseases

Producing insulin

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

RT-PCR tests

Glucose monitoring

MRI scans

DNA sequencing

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29. 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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30. Which of the following is NOT a product of biotechnology?

Radiation therapy

Antibiotics

Monoclonal antibodies

Vaccines

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31. Which biotechnology product helps treat clotting disorders?

Insulin

Factor VIII

Amylase

Hemoglobin

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

Anemia

Tuberculosis

Diabetes

Arthritis

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

Getting a flu shot

Injection of monoclonal antibodies

Natural exposure to virus

Consumption of antibiotics

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34. Which disease is commonly diagnosed using DNA probes?

Sickle cell anemia

Malaria

Pneumonia

Flu

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

Erythropoietin

Penicillin

Interleukin

Amylase

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

They are non-specific

They act as digestive enzymes

They bind to one specific antigen

They only treat diabetes

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

Painkillers

Steroids

Vaccines

Antibiotics

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

Mineral salts

Human growth hormone

Antibiotic genes

Pathogen genes

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

They bind to multiple antigens

They are highly specific to one antigen

They are cheap

They produce energy

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40. Biotechnology is used to create vaccines by:

Replacing organs

Changing oxygen levels

Destroying blood cells

Using weakened or inactive pathogens or parts of them

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

It shortens immunity

It allows precise and faster vaccine production

It replaces antibiotics

It increases sugar levels

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42. What makes biotechnology crucial in future health care?

Replaces doctors

Enables early diagnosis, effective treatment, and prevention

Slows treatment

Increases sugar levels

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

Monoclonal antibodies

Interferon beta

Penicillin

Insulin

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

Destroy hormones

Regulate heart rate

Bind to cancer cell antigens

Stimulate hair growth

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45. Which organ system benefits directly from erythropoietin?

Respiratory system

Circulatory system

Nervous system

Digestive system

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46. What does ELISA stand for?

Elastic Light Indicator of Serum Antibodies

Enzyme-Linked Immunosorbent Assay

Enzyme-Lipid Ion Sensing Assay

Electro-Light Immuno Series Assay

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47. What is the primary advantage of recombinant biotechnology?

Mass production of human proteins

Unpredictable outcomes

Slow results

High cost

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48. How does biotechnology assist in rapid disease detection?

By using DNA-based tests

By increasing heart rate

By boiling blood

By sterilizing hospital beds

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

Generating electricity

Diagnosing genetic diseases

Killing bacteria

Producing insulin

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