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 function of monoclonal antibodies in cancer treatment?

Destroy hormones

Stimulate hair growth

Regulate heart rate

Bind to cancer cell antigens

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

It reduces blood sugar

It produces vaccines using recombinant DNA

It removes toxins

It repairs the liver

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

White blood cells

Antibiotics

Red blood cells

Monoclonal antibodies

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

Tuberculosis

Cancer

Common cold

Flu

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

DNA sequencing

Glucose monitoring

MRI scans

RT-PCR tests

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6. Which biotechnology product helps treat clotting disorders?

Factor VIII

Hemoglobin

Amylase

Insulin

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

Antacids

Blood pressure monitor

Ultrasound

Monoclonal antibody markers

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8. What is the primary advantage of recombinant biotechnology?

Slow results

Mass production of human proteins

Unpredictable outcomes

High cost

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

They bind to multiple antigens

They are highly specific to one antigen

They produce energy

They are cheap

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10. How does biotechnology assist in rapid disease detection?

By boiling blood

By sterilizing hospital beds

By increasing heart rate

By using DNA-based tests

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

Identify specific DNA sequences

Stimulate immunity

Destroy cells

Visualize blood cells

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12. Monoclonal antibodies are used in:

Fermentation

Producing insulin

Fighting infections

Diagnosing and treating diseases

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

Bile

Vitamin D

Saliva

Human insulin

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

Testosterone

Insulin

Estrogen

Glucagon

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

Human

Bacteria

Yeast only

Virus

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16. How are monoclonal antibodies made?

By injecting insulin

By combining different hormones

By culturing bacteria

By fusing a B-cell with a cancer cell

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

They only treat diabetes

They bind to one specific antigen

They are non-specific

They act as digestive enzymes

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

It breaks down food

It kills bacteria

It strengthens bones

It uses genetically modified bacteria to produce human insulin

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

Arthritis

Diabetes

Tuberculosis

Anemia

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20. How do monoclonal antibodies help in diagnosing diseases?

They increase metabolism

They bind to disease-specific antigens

They stimulate red blood cells

They alter DNA

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

Interferon beta

Monoclonal antibodies

Penicillin

Insulin

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22. Biotechnology is used to create vaccines by:

Destroying blood cells

Changing oxygen levels

Replacing organs

Using weakened or inactive pathogens or parts of them

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

Amylase

Penicillin

Interleukin

Erythropoietin

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24. What is recombinant DNA?

DNA inside red blood cells

DNA mutated naturally

DNA from the environment

DNA formed by joining DNA from two sources

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

Ligase

Helicase

Polymerase

Restriction enzymes

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

Passive antibody

Polyclonal antibody

Artificial antibody

Monoclonal antibody

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

They are only for animals

They are safer and more specific

They require daily doses

They are less effective

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28. What makes biotechnology crucial in future health care?

Slows treatment

Replaces doctors

Enables early diagnosis, effective treatment, and prevention

Increases sugar levels

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

Genetic disorder detection

Cancer treatment

Bone repair

Crime scene investigation

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

Hormones

Antibiotics

Vaccines

DNA/RNA probes

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

It replaces antibiotics

It increases sugar levels

It shortens immunity

It allows precise and faster vaccine production

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33. What is the main purpose of a vaccine?

Kill pathogens

Relieve symptoms

Stimulate immunity

Repair tissues

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34. What does ELISA stand for?

Enzyme-Linked Immunosorbent Assay

Electro-Light Immuno Series Assay

Enzyme-Lipid Ion Sensing Assay

Elastic Light Indicator of Serum Antibodies

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

Radiation therapy

Antibiotics

Monoclonal antibodies

Vaccines

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36. Which disease is commonly diagnosed using DNA probes?

Malaria

Pneumonia

Sickle cell anemia

Flu

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37. Which medical test uses biotechnology to detect pregnancy?

MRI

CT scan

Urine dipstick test

Ultrasound

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

Monoclonal antibodies

DNA probes

PCR

X-rays

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

Muscle cells

Stem cells

Red blood cells

Hybridoma cells

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

Treats all patients the same

Customizes treatments based on genetic makeup

Avoids use of DNA

Uses one-size-fits-all drugs

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

Antibiotic genes

Pathogen genes

Human growth hormone

Mineral salts

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42. What is the benefit of using DNA vaccines?

Limited response

Long-lasting immunity with minimal risk

Risk of infection

High mutation rates

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

Antibiotics

Vaccines

Steroids

Painkillers

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

Vinegar

Fructose

Interferon

Alcohol

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

Gene therapy

PCR (Polymerase Chain Reaction)

Microinjection

Gel electrophoresis

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

They are highly specific to target antigens

They are cheap

They are fast-growing

They act like painkillers

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47. Which organ system benefits directly from erythropoietin?

Circulatory system

Respiratory system

Nervous system

Digestive system

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

Lactase

Urea

Lipase

Streptokinase

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

Generating electricity

Killing bacteria

Diagnosing genetic diseases

Producing insulin

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