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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 disease is commonly diagnosed using DNA probes?

Pneumonia

Malaria

Sickle cell anemia

Flu

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

Arthritis

Anemia

Tuberculosis

Diabetes

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

Vaccines

Antibiotics

Steroids

Painkillers

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

Antibiotics

Vaccines

Monoclonal antibodies

Radiation therapy

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

They are cheap

They produce energy

They are highly specific to one antigen

They bind to multiple antigens

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

Bind to cancer cell antigens

Destroy hormones

Stimulate hair growth

Regulate heart rate

7. What does ELISA stand for?

Enzyme-Linked Immunosorbent Assay

Enzyme-Lipid Ion Sensing Assay

Electro-Light Immuno Series Assay

Elastic Light Indicator of Serum Antibodies

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

Lactase

Lipase

Urea

Streptokinase

9. How are monoclonal antibodies made?

By culturing bacteria

By combining different hormones

By injecting insulin

By fusing a B-cell with a cancer cell

10. Which organ system benefits directly from erythropoietin?

Circulatory system

Digestive system

Respiratory system

Nervous system

11. What is the main purpose of a vaccine?

Kill pathogens

Repair tissues

Stimulate immunity

Relieve symptoms

12. 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

13. What makes biotechnology crucial in future health care?

Slows treatment

Increases sugar levels

Enables early diagnosis, effective treatment, and prevention

Replaces doctors

14. 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

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

They act as digestive enzymes

They bind to one specific antigen

They only treat diabetes

They are non-specific

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

Helicase

Polymerase

Ligase

Restriction enzymes

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

Tuberculosis

Flu

Cancer

Common cold

18. Biotechnology is used to create vaccines by:

Destroying blood cells

Changing oxygen levels

Using weakened or inactive pathogens or parts of them

Replacing organs

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

Glucagon

Testosterone

Estrogen

Insulin

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

Pathogen genes

Human growth hormone

Mineral salts

Antibiotic genes

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

Fructose

Vinegar

Interferon

Alcohol

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

DNA sequencing

MRI scans

RT-PCR tests

Glucose monitoring

23. Which medical test uses biotechnology to detect pregnancy?

Urine dipstick test

MRI

Ultrasound

CT scan

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

Avoids use of DNA

Customizes treatments based on genetic makeup

Treats all patients the same

Uses one-size-fits-all drugs

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

Generating electricity

Killing bacteria

Producing insulin

Diagnosing genetic diseases

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

X-rays

Monoclonal antibodies

DNA probes

PCR

27. Monoclonal antibodies are used in:

Fighting infections

Diagnosing and treating diseases

Fermentation

Producing insulin

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

Saliva

Human insulin

Bile

Vitamin D

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

Hormones

DNA/RNA probes

Antibiotics

Vaccines

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

Muscle cells

Hybridoma cells

Red blood cells

Stem cells

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

Red blood cells

Monoclonal antibodies

Antibiotics

White blood cells

32. What is the primary advantage of recombinant biotechnology?

High cost

Slow results

Unpredictable outcomes

Mass production of human proteins

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

Virus

Bacteria

Yeast only

Human

34. How do monoclonal antibodies help in diagnosing diseases?

They stimulate red blood cells

They bind to disease-specific antigens

They alter DNA

They increase metabolism

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

It uses genetically modified bacteria to produce human insulin

It kills bacteria

It breaks down food

It strengthens bones

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

Microinjection

PCR (Polymerase Chain Reaction)

Gel electrophoresis

Gene therapy

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

Identify specific DNA sequences

Stimulate immunity

Destroy cells

Visualize blood cells

38. What is recombinant DNA?

DNA from the environment

DNA inside red blood cells

DNA mutated naturally

DNA formed by joining DNA from two sources

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

It increases sugar levels

It replaces antibiotics

It allows precise and faster vaccine production

It shortens immunity

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

Insulin

Interferon beta

Monoclonal antibodies

Penicillin

41. Which biotechnology product helps treat clotting disorders?

Factor VIII

Amylase

Insulin

Hemoglobin

42. How does biotechnology assist in rapid disease detection?

By increasing heart rate

By boiling blood

By using DNA-based tests

By sterilizing hospital beds

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

Bone repair

Cancer treatment

Crime scene investigation

Genetic disorder detection

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

Monoclonal antibody markers

Ultrasound

Blood pressure monitor

Antacids

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

It repairs the liver

It produces vaccines using recombinant DNA

It removes toxins

It reduces blood sugar

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

Erythropoietin

Amylase

Penicillin

Interleukin

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

Artificial antibody

Polyclonal antibody

Monoclonal antibody

Passive antibody

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

Injection of monoclonal antibodies

Natural exposure to virus

Consumption of antibiotics

Getting a flu shot

49. What is the benefit of using DNA vaccines?

Risk of infection

Limited response

High mutation rates

Long-lasting immunity with minimal risk

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Mustansar KhanLast Updated: October 15, 2025

Biology Biotechnology Online Mcqs Test

Important Biology Biotechnology Question and Answer

Biology Biotechnology Practice Test Online With Explanation

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