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

Stimulate immunity

Visualize blood cells

Destroy cells

Identify specific DNA sequences

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2. What is the main purpose of a vaccine?

Repair tissues

Stimulate immunity

Relieve symptoms

Kill pathogens

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

Vitamin D

Saliva

Human insulin

Bile

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

Hormones

DNA/RNA probes

Antibiotics

Vaccines

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

Lactase

Lipase

Urea

Streptokinase

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6. What is the benefit of using DNA vaccines?

Long-lasting immunity with minimal risk

Risk of infection

High mutation rates

Limited response

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

Avoids use of DNA

Uses one-size-fits-all drugs

Customizes treatments based on genetic makeup

Treats all patients the same

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

They act like painkillers

They are highly specific to target antigens

They are fast-growing

They are cheap

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9. What is the primary advantage of recombinant biotechnology?

Unpredictable outcomes

Slow results

High cost

Mass production of human proteins

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

They are less effective

They require daily doses

They are only for animals

They are safer and more specific

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

Red blood cells

White blood cells

Antibiotics

Monoclonal antibodies

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12. Monoclonal antibodies are used in:

Producing insulin

Diagnosing and treating diseases

Fermentation

Fighting infections

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

Getting a flu shot

Injection of monoclonal antibodies

Consumption of antibiotics

Natural exposure to virus

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

Killing bacteria

Producing insulin

Generating electricity

Diagnosing genetic diseases

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

Regulate heart rate

Stimulate hair growth

Destroy hormones

Bind to cancer cell antigens

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

Polyclonal antibody

Passive antibody

Artificial antibody

Monoclonal antibody

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

Crime scene investigation

Genetic disorder detection

Bone repair

Cancer treatment

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18. 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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19. What does ELISA stand for?

Elastic Light Indicator of Serum Antibodies

Enzyme-Linked Immunosorbent Assay

Electro-Light Immuno Series Assay

Enzyme-Lipid Ion Sensing Assay

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

Penicillin

Monoclonal antibodies

Insulin

Interferon beta

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21. Which organ system benefits directly from erythropoietin?

Circulatory system

Digestive system

Nervous system

Respiratory system

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

It allows precise and faster vaccine production

It shortens immunity

It replaces antibiotics

It increases sugar levels

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23. Which medical test uses biotechnology to detect pregnancy?

Ultrasound

MRI

CT scan

Urine dipstick test

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

Stem cells

Muscle cells

Red blood cells

Hybridoma cells

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

Antacids

Ultrasound

Monoclonal antibody markers

Blood pressure monitor

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26. What makes biotechnology crucial in future health care?

Enables early diagnosis, effective treatment, and prevention

Increases sugar levels

Slows treatment

Replaces doctors

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

Helicase

Ligase

Polymerase

Restriction enzymes

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

Antibiotic genes

Pathogen genes

Mineral salts

Human growth hormone

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

Radiation therapy

Antibiotics

Vaccines

Monoclonal antibodies

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

Penicillin

Erythropoietin

Amylase

Interleukin

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

They bind to one specific antigen

They are non-specific

They only treat diabetes

They act as digestive enzymes

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

Gene therapy

PCR (Polymerase Chain Reaction)

Gel electrophoresis

Microinjection

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

Antibiotics

Vaccines

Painkillers

Steroids

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

Anemia

Arthritis

Diabetes

Tuberculosis

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

Glucagon

Estrogen

Insulin

Testosterone

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37. Biotechnology is used to create vaccines by:

Changing oxygen levels

Using weakened or inactive pathogens or parts of them

Destroying blood cells

Replacing organs

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38. How do monoclonal antibodies help in diagnosing diseases?

They alter DNA

They increase metabolism

They stimulate red blood cells

They bind to disease-specific antigens

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

Interferon

Alcohol

Fructose

Vinegar

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

DNA sequencing

MRI scans

RT-PCR tests

Glucose monitoring

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42. Which disease is commonly diagnosed using DNA probes?

Pneumonia

Flu

Malaria

Sickle cell anemia

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

Bacteria

Human

Yeast only

Virus

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

DNA probes

X-rays

PCR

Monoclonal antibodies

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

Common cold

Tuberculosis

Flu

Cancer

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46. Which biotechnology product helps treat clotting disorders?

Amylase

Insulin

Factor VIII

Hemoglobin

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47. 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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48. What is recombinant DNA?

DNA inside red blood cells

DNA from the environment

DNA mutated naturally

DNA formed by joining DNA from two sources

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49. 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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