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

Please wait...

Page 1 of 2

Uncategorized

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

Diagnosing genetic diseases

Producing insulin

Killing bacteria

Generating electricity

 Loading...

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

They produce energy

They bind to multiple antigens

They are cheap

They are highly specific to one antigen

 Loading...

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

It breaks down food

It strengthens bones

It uses genetically modified bacteria to produce human insulin

It kills bacteria

 Loading...

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

Diabetes

Anemia

Arthritis

Tuberculosis

 Loading...

5. What is recombinant DNA?

DNA from the environment

DNA mutated naturally

DNA inside red blood cells

DNA formed by joining DNA from two sources

 Loading...

6. Which disease is commonly diagnosed using DNA probes?

Sickle cell anemia

Malaria

Flu

Pneumonia

 Loading...

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

Antibiotics

Vaccines

Painkillers

Steroids

 Loading...

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

Vitamin D

Human insulin

Saliva

Bile

 Loading...

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

It reduces blood sugar

It repairs the liver

It produces vaccines using recombinant DNA

It removes toxins

 Loading...

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

Artificial antibody

Monoclonal antibody

Polyclonal antibody

Passive antibody

 Loading...

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

Gene therapy

Microinjection

Gel electrophoresis

PCR (Polymerase Chain Reaction)

 Loading...

12. What is the primary advantage of recombinant biotechnology?

High cost

Unpredictable outcomes

Slow results

Mass production of human proteins

 Loading...

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

Hybridoma cells

Red blood cells

Muscle cells

Stem cells

 Loading...

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

Penicillin

Erythropoietin

Amylase

Interleukin

 Loading...

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

Getting a flu shot

Natural exposure to virus

Injection of monoclonal antibodies

Consumption of antibiotics

 Loading...

16. Biotechnology is used to create vaccines by:

Changing oxygen levels

Destroying blood cells

Using weakened or inactive pathogens or parts of them

Replacing organs

 Loading...

17. What is the benefit of using DNA vaccines?

High mutation rates

Risk of infection

Limited response

Long-lasting immunity with minimal risk

 Loading...

18. Monoclonal antibodies are used in:

Producing insulin

Fermentation

Diagnosing and treating diseases

Fighting infections

 Loading...

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

Insulin

Estrogen

Glucagon

Testosterone

 Loading...

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

Customizes treatments based on genetic makeup

Avoids use of DNA

Uses one-size-fits-all drugs

Treats all patients the same

 Loading...

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

Polymerase

Restriction enzymes

Ligase

Helicase

 Loading...

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

Monoclonal antibodies

Insulin

Interferon beta

Penicillin

 Loading...

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

Flu

Tuberculosis

Cancer

Common cold

 Loading...

24. What makes biotechnology crucial in future health care?

Enables early diagnosis, effective treatment, and prevention

Slows treatment

Replaces doctors

Increases sugar levels

 Loading...

25. Which medical test uses biotechnology to detect pregnancy?

Ultrasound

Urine dipstick test

MRI

CT scan

 Loading...

Page 2 of 2

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

White blood cells

Red blood cells

Antibiotics

Monoclonal antibodies

 Loading...

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

It increases sugar levels

It allows precise and faster vaccine production

It replaces antibiotics

It shortens immunity

 Loading...

28. 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

 Loading...

29. Which organ system benefits directly from erythropoietin?

Digestive system

Respiratory system

Nervous system

Circulatory system

 Loading...

30. What is the main purpose of a vaccine?

Relieve symptoms

Stimulate immunity

Repair tissues

Kill pathogens

 Loading...

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

DNA sequencing

MRI scans

RT-PCR tests

Glucose monitoring

 Loading...

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

Ultrasound

Antacids

Monoclonal antibody markers

Blood pressure monitor

 Loading...

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

DNA/RNA probes

Hormones

Vaccines

Antibiotics

 Loading...

34. How do monoclonal antibodies help in diagnosing diseases?

They stimulate red blood cells

They increase metabolism

They bind to disease-specific antigens

They alter DNA

 Loading...

35. How does biotechnology assist in rapid disease detection?

By using DNA-based tests

By sterilizing hospital beds

By boiling blood

By increasing heart rate

 Loading...

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

Cancer treatment

Genetic disorder detection

Crime scene investigation

Bone repair

 Loading...

37. How are monoclonal antibodies made?

By injecting insulin

By combining different hormones

By fusing a B-cell with a cancer cell

By culturing bacteria

 Loading...

38. Which biotechnology product helps treat clotting disorders?

Amylase

Insulin

Factor VIII

Hemoglobin

 Loading...

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

Identify specific DNA sequences

Visualize blood cells

Destroy cells

Stimulate immunity

 Loading...

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

PCR

Monoclonal antibodies

DNA probes

X-rays

 Loading...

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

They act as digestive enzymes

They bind to one specific antigen

They are non-specific

They only treat diabetes

 Loading...

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

Radiation therapy

Monoclonal antibodies

Antibiotics

Vaccines

 Loading...

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

Bacteria

Virus

Human

Yeast only

 Loading...

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

Human growth hormone

Pathogen genes

Antibiotic genes

Mineral salts

 Loading...

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

Destroy hormones

Bind to cancer cell antigens

Stimulate hair growth

Regulate heart rate

 Loading...

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

They are fast-growing

They are highly specific to target antigens

They are cheap

They act like painkillers

 Loading...

47. What does ELISA stand for?

Electro-Light Immuno Series Assay

Enzyme-Lipid Ion Sensing Assay

Enzyme-Linked Immunosorbent Assay

Elastic Light Indicator of Serum Antibodies

 Loading...

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

Vinegar

Fructose

Alcohol

Interferon

 Loading...

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

Lactase

Urea

Lipase

Streptokinase

 Loading...

 Loading...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• >>