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. Biotechnology is used to create vaccines by:

Destroying blood cells

Replacing organs

Using weakened or inactive pathogens or parts of them

Changing oxygen levels

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

Monoclonal antibody markers

Ultrasound

Antacids

Blood pressure monitor

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

Insulin

Monoclonal antibodies

Interferon beta

Penicillin

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

Genetic disorder detection

Bone repair

Crime scene investigation

Cancer treatment

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

RT-PCR tests

Glucose monitoring

DNA sequencing

MRI scans

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

Stimulate immunity

Identify specific DNA sequences

Destroy cells

Visualize blood cells

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7. 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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8. Which of these is a primary use of DNA probes?

Generating electricity

Killing bacteria

Diagnosing genetic diseases

Producing insulin

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

Stem cells

Muscle cells

Red blood cells

Hybridoma cells

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

White blood cells

Monoclonal antibodies

Antibiotics

Red blood cells

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11. Monoclonal antibodies are used in:

Fighting infections

Producing insulin

Fermentation

Diagnosing and treating diseases

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

They are highly specific to one antigen

They produce energy

They are cheap

They bind to multiple antigens

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

Flu

Common cold

Tuberculosis

Cancer

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

Lipase

Streptokinase

Urea

Lactase

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

Passive antibody

Artificial antibody

Polyclonal antibody

Monoclonal antibody

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

They bind to one specific antigen

They are non-specific

They act as digestive enzymes

They only treat diabetes

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18. How do monoclonal antibodies help in diagnosing diseases?

They increase metabolism

They alter DNA

They bind to disease-specific antigens

They stimulate red blood cells

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

It replaces antibiotics

It shortens immunity

It allows precise and faster vaccine production

It increases sugar levels

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

They require daily doses

They are only for animals

They are less effective

They are safer and more specific

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21. What is the primary advantage of recombinant biotechnology?

High cost

Mass production of human proteins

Unpredictable outcomes

Slow results

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22. Which biotechnology product helps treat clotting disorders?

Insulin

Amylase

Hemoglobin

Factor VIII

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23. How does biotechnology assist in rapid disease detection?

By increasing heart rate

By boiling blood

By using DNA-based tests

By sterilizing hospital beds

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

Bacteria

Virus

Yeast only

Human

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25. What is the benefit of using DNA vaccines?

Limited response

Risk of infection

High mutation rates

Long-lasting immunity with minimal risk

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26. Which medical test uses biotechnology to detect pregnancy?

CT scan

MRI

Ultrasound

Urine dipstick test

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27. 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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28. 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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29. Which technique is used to create multiple copies of a DNA segment for diagnosis?

PCR (Polymerase Chain Reaction)

Gel electrophoresis

Microinjection

Gene therapy

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30. How are monoclonal antibodies made?

By fusing a B-cell with a cancer cell

By injecting insulin

By combining different hormones

By culturing bacteria

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

Polymerase

Helicase

Ligase

Restriction enzymes

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32. Which disease is commonly diagnosed using DNA probes?

Flu

Pneumonia

Malaria

Sickle cell anemia

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33. Which organ system benefits directly from erythropoietin?

Circulatory system

Digestive system

Respiratory system

Nervous system

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

Interferon

Alcohol

Vinegar

Fructose

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

Interleukin

Amylase

Erythropoietin

Penicillin

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

Bile

Saliva

Human insulin

Vitamin D

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

Steroids

Painkillers

Vaccines

Antibiotics

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

DNA/RNA probes

Hormones

Vaccines

Antibiotics

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40. What is the main purpose of a vaccine?

Stimulate immunity

Relieve symptoms

Kill pathogens

Repair tissues

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41. What is recombinant DNA?

DNA from the environment

DNA mutated naturally

DNA inside red blood cells

DNA formed by joining DNA from two sources

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

Monoclonal antibodies

DNA probes

X-rays

PCR

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

It uses genetically modified bacteria to produce human insulin

It strengthens bones

It kills bacteria

It breaks down food

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

Anemia

Arthritis

Tuberculosis

Diabetes

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

Estrogen

Insulin

Testosterone

Glucagon

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

Human growth hormone

Pathogen genes

Mineral salts

Antibiotic genes

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

Natural exposure to virus

Consumption of antibiotics

Getting a flu shot

Injection of monoclonal antibodies

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

Vaccines

Antibiotics

Radiation therapy

Monoclonal antibodies

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49. What makes biotechnology crucial in future health care?

Enables early diagnosis, effective treatment, and prevention

Replaces doctors

Increases sugar levels

Slows treatment

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