Biology Biotechnology Online Mcqs Test

Mustansar KhanLast Updated: October 15, 2025

Important Biology Biotechnology Question and Answer

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Biology Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Biology Interview Question Answer Universities Entrance Test

Biology Biotechnology Practice Test Online With Explanation

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

Painkillers

Antibiotics

Steroids

Vaccines

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

Common cold

Flu

Cancer

Tuberculosis

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

Producing insulin

Diagnosing genetic diseases

Killing bacteria

Generating electricity

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

White blood cells

Monoclonal antibodies

Antibiotics

Red blood cells

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

Ultrasound

Blood pressure monitor

Antacids

Monoclonal antibody markers

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

Destroy hormones

Stimulate hair growth

Regulate heart rate

Bind to cancer cell antigens

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

Crime scene investigation

Bone repair

Cancer treatment

Genetic disorder detection

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

They are non-specific

They only treat diabetes

They bind to one specific antigen

They act as digestive enzymes

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

It shortens immunity

It allows precise and faster vaccine production

It increases sugar levels

It replaces antibiotics

10. Biotechnology is used to create vaccines by:

Replacing organs

Using weakened or inactive pathogens or parts of them

Destroying blood cells

Changing oxygen levels

11. What does ELISA stand for?

Enzyme-Linked Immunosorbent Assay

Elastic Light Indicator of Serum Antibodies

Electro-Light Immuno Series Assay

Enzyme-Lipid Ion Sensing Assay

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

It produces vaccines using recombinant DNA

It repairs the liver

It removes toxins

It reduces blood sugar

13. What is the main purpose of a vaccine?

Repair tissues

Stimulate immunity

Kill pathogens

Relieve symptoms

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

They are less effective

They are only for animals

They are safer and more specific

They require daily doses

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

Vaccines

DNA/RNA probes

Antibiotics

Hormones

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

X-rays

Monoclonal antibodies

PCR

DNA probes

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

Artificial antibody

Monoclonal antibody

Passive antibody

Polyclonal antibody

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

Visualize blood cells

Identify specific DNA sequences

Destroy cells

Stimulate immunity

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

Bacteria

Yeast only

Human

Virus

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

Insulin

Estrogen

Glucagon

Testosterone

21. How are monoclonal antibodies made?

By culturing bacteria

By injecting insulin

By fusing a B-cell with a cancer cell

By combining different hormones

22. 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

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

It uses genetically modified bacteria to produce human insulin

It kills bacteria

It strengthens bones

It breaks down food

24. What makes biotechnology crucial in future health care?

Slows treatment

Increases sugar levels

Enables early diagnosis, effective treatment, and prevention

Replaces doctors

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

Mineral salts

Pathogen genes

Human growth hormone

Antibiotic genes

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26. Which biotechnology product helps treat clotting disorders?

Factor VIII

Insulin

Hemoglobin

Amylase

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

Fructose

Interferon

Alcohol

Vinegar

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

Natural exposure to virus

Consumption of antibiotics

Injection of monoclonal antibodies

Getting a flu shot

29. What is recombinant DNA?

DNA formed by joining DNA from two sources

DNA mutated naturally

DNA from the environment

DNA inside red blood cells

30. What is the benefit of using DNA vaccines?

Risk of infection

Limited response

High mutation rates

Long-lasting immunity with minimal risk

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

Hybridoma cells

Red blood cells

Muscle cells

Stem cells

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

Polymerase

Helicase

Restriction enzymes

Ligase

33. What is the primary advantage of recombinant biotechnology?

High cost

Unpredictable outcomes

Mass production of human proteins

Slow results

34. Which medical test uses biotechnology to detect pregnancy?

MRI

Ultrasound

Urine dipstick test

CT scan

35. Which disease is commonly diagnosed using DNA probes?

Sickle cell anemia

Pneumonia

Malaria

Flu

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

Uses one-size-fits-all drugs

Avoids use of DNA

Customizes treatments based on genetic makeup

Treats all patients the same

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

They are highly specific to target antigens

They act like painkillers

They are cheap

They are fast-growing

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

PCR (Polymerase Chain Reaction)

Gene therapy

Microinjection

Gel electrophoresis

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

They are cheap

They bind to multiple antigens

They are highly specific to one antigen

They produce energy

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

Interleukin

Amylase

Erythropoietin

Penicillin

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

DNA sequencing

RT-PCR tests

Glucose monitoring

MRI scans

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

Lactase

Streptokinase

Lipase

Urea

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

Radiation therapy

Antibiotics

Vaccines

Monoclonal antibodies

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

Tuberculosis

Arthritis

Diabetes

Anemia

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

Saliva

Bile

Vitamin D

Human insulin

46. How does biotechnology assist in rapid disease detection?

By sterilizing hospital beds

By boiling blood

By increasing heart rate

By using DNA-based tests

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

Penicillin

Insulin

Monoclonal antibodies

Interferon beta

48. Which organ system benefits directly from erythropoietin?

Circulatory system

Respiratory system

Nervous system

Digestive system

49. Monoclonal antibodies are used in:

Producing insulin

Fermentation

Diagnosing and treating diseases

Fighting infections

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Mustansar KhanLast Updated: October 15, 2025

Important Biology Biotechnology Question and Answer

Biology Biotechnology Practice Test Online With Explanation

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