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 disease is commonly diagnosed using DNA probes?

Malaria

Sickle cell anemia

Pneumonia

Flu

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2. Which organ system benefits directly from erythropoietin?

Digestive system

Circulatory system

Respiratory system

Nervous system

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

Penicillin

Insulin

Interferon beta

Monoclonal antibodies

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4. How are monoclonal antibodies made?

By combining different hormones

By fusing a B-cell with a cancer cell

By injecting insulin

By culturing bacteria

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5. Which medical test uses biotechnology to detect pregnancy?

MRI

Ultrasound

CT scan

Urine dipstick test

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6. How do monoclonal antibodies help in diagnosing diseases?

They stimulate red blood cells

They bind to disease-specific antigens

They increase metabolism

They alter DNA

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

Monoclonal antibodies

Red blood cells

White blood cells

Antibiotics

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

Microinjection

Gel electrophoresis

PCR (Polymerase Chain Reaction)

Gene therapy

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

They are highly specific to one antigen

They are cheap

They bind to multiple antigens

They produce energy

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10. What is the benefit of using DNA vaccines?

High mutation rates

Risk of infection

Long-lasting immunity with minimal risk

Limited response

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11. What is recombinant DNA?

DNA inside red blood cells

DNA from the environment

DNA formed by joining DNA from two sources

DNA mutated naturally

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12. What is the main purpose of a vaccine?

Relieve symptoms

Kill pathogens

Repair tissues

Stimulate immunity

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13. Biotechnology is used to create vaccines by:

Replacing organs

Using weakened or inactive pathogens or parts of them

Destroying blood cells

Changing oxygen levels

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

Injection of monoclonal antibodies

Natural exposure to virus

Getting a flu shot

Consumption of antibiotics

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15. What is the primary advantage of recombinant biotechnology?

Slow results

High cost

Unpredictable outcomes

Mass production of human proteins

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16. Monoclonal antibodies are used in:

Fighting infections

Producing insulin

Diagnosing and treating diseases

Fermentation

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

It repairs the liver

It removes toxins

It produces vaccines using recombinant DNA

It reduces blood sugar

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

Penicillin

Amylase

Interleukin

Erythropoietin

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

Ultrasound

Blood pressure monitor

Monoclonal antibody markers

Antacids

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

Fructose

Interferon

Vinegar

Alcohol

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

Generating electricity

Diagnosing genetic diseases

Producing insulin

Killing bacteria

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

DNA probes

Monoclonal antibodies

PCR

X-rays

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

Artificial antibody

Passive antibody

Polyclonal antibody

Monoclonal antibody

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

Tuberculosis

Flu

Cancer

Common cold

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25. What makes biotechnology crucial in future health care?

Slows treatment

Replaces doctors

Increases sugar levels

Enables early diagnosis, effective treatment, and prevention

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26. What does ELISA stand for?

Elastic Light Indicator of Serum Antibodies

Enzyme-Lipid Ion Sensing Assay

Electro-Light Immuno Series Assay

Enzyme-Linked Immunosorbent Assay

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

Bacteria

Human

Yeast only

Virus

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

Stimulate immunity

Identify specific DNA sequences

Visualize blood cells

Destroy cells

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

Painkillers

Antibiotics

Vaccines

Steroids

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

Human growth hormone

Pathogen genes

Mineral salts

Antibiotic genes

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

Bile

Human insulin

Vitamin D

Saliva

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

DNA/RNA probes

Antibiotics

Hormones

Vaccines

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

Glucagon

Testosterone

Insulin

Estrogen

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

Ligase

Restriction enzymes

Helicase

Polymerase

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

Treats all patients the same

Avoids use of DNA

Uses one-size-fits-all drugs

Customizes treatments based on genetic makeup

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

Lipase

Streptokinase

Urea

Lactase

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

It kills bacteria

It breaks down food

It strengthens bones

It uses genetically modified bacteria to produce human insulin

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

They are non-specific

They act as digestive enzymes

They only treat diabetes

They bind to one specific antigen

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

It shortens immunity

It replaces antibiotics

It allows precise and faster vaccine production

It increases sugar levels

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

Red blood cells

Hybridoma cells

Muscle cells

Stem cells

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

Radiation therapy

Vaccines

Monoclonal antibodies

Antibiotics

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

Anemia

Diabetes

Arthritis

Tuberculosis

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

They are only for animals

They are safer and more specific

They are less effective

They require daily doses

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44. How does biotechnology assist in rapid disease detection?

By using DNA-based tests

By increasing heart rate

By sterilizing hospital beds

By boiling blood

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

They act like painkillers

They are cheap

They are highly specific to target antigens

They are fast-growing

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46. Which biotechnology product helps treat clotting disorders?

Hemoglobin

Factor VIII

Amylase

Insulin

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

DNA sequencing

MRI scans

Glucose monitoring

RT-PCR tests

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

Bone repair

Cancer treatment

Genetic disorder detection

Crime scene investigation

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