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 these is a primary use of DNA probes?

Generating electricity

Killing bacteria

Producing insulin

Diagnosing genetic diseases

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

Bind to cancer cell antigens

Stimulate hair growth

Regulate heart rate

Destroy hormones

3. Monoclonal antibodies are used in:

Fermentation

Fighting infections

Diagnosing and treating diseases

Producing insulin

4. What is the main purpose of a vaccine?

Kill pathogens

Repair tissues

Stimulate immunity

Relieve symptoms

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

Monoclonal antibodies

Antibiotics

Vaccines

Radiation therapy

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

Red blood cells

Stem cells

Hybridoma cells

Muscle cells

7. Which organ system benefits directly from erythropoietin?

Circulatory system

Nervous system

Respiratory system

Digestive system

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

Alcohol

Fructose

Vinegar

Interferon

9. How do monoclonal antibodies help in diagnosing diseases?

They bind to disease-specific antigens

They increase metabolism

They alter DNA

They stimulate red blood cells

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

It reduces blood sugar

It repairs the liver

It removes toxins

It produces vaccines using recombinant DNA

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

Gene therapy

Microinjection

PCR (Polymerase Chain Reaction)

Gel electrophoresis

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

Painkillers

Antibiotics

Vaccines

Steroids

13. Which disease is commonly diagnosed using DNA probes?

Malaria

Sickle cell anemia

Pneumonia

Flu

14. What is the benefit of using DNA vaccines?

Long-lasting immunity with minimal risk

Limited response

High mutation rates

Risk of infection

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

Saliva

Human insulin

Bile

Vitamin D

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

Polyclonal antibody

Passive antibody

Artificial antibody

Monoclonal antibody

17. How does biotechnology assist in rapid disease detection?

By sterilizing hospital beds

By boiling blood

By using DNA-based tests

By increasing heart rate

18. What is the primary advantage of recombinant biotechnology?

Unpredictable outcomes

Mass production of human proteins

High cost

Slow results

19. What makes biotechnology crucial in future health care?

Replaces doctors

Slows treatment

Enables early diagnosis, effective treatment, and prevention

Increases sugar levels

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

They produce energy

They are highly specific to one antigen

They are cheap

They bind to multiple antigens

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

Yeast only

Bacteria

Virus

Human

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

White blood cells

Red blood cells

Monoclonal antibodies

Antibiotics

23. Which medical test uses biotechnology to detect pregnancy?

MRI

Ultrasound

Urine dipstick test

CT scan

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

Visualize blood cells

Destroy cells

Stimulate immunity

Identify specific DNA sequences

25. Biotechnology is used to create vaccines by:

Using weakened or inactive pathogens or parts of them

Replacing organs

Destroying blood cells

Changing oxygen levels

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

It allows precise and faster vaccine production

It replaces antibiotics

It shortens immunity

It increases sugar levels

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

Interleukin

Amylase

Penicillin

Erythropoietin

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

Penicillin

Interferon beta

Insulin

Monoclonal antibodies

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

Ultrasound

Blood pressure monitor

Monoclonal antibody markers

Antacids

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

They are only for animals

They are safer and more specific

They are less effective

They require daily doses

31. What is recombinant DNA?

DNA from the environment

DNA mutated naturally

DNA formed by joining DNA from two sources

DNA inside red blood cells

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

Ligase

Helicase

Polymerase

Restriction enzymes

33. How are monoclonal antibodies made?

By culturing bacteria

By combining different hormones

By injecting insulin

By fusing a B-cell with a cancer cell

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

Streptokinase

Lipase

Lactase

Urea

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

Uses one-size-fits-all drugs

Customizes treatments based on genetic makeup

Avoids use of DNA

Treats all patients the same

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

It kills bacteria

It strengthens bones

It breaks down food

It uses genetically modified bacteria to produce human insulin

37. Which biotechnology product helps treat clotting disorders?

Amylase

Insulin

Factor VIII

Hemoglobin

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

Pathogen genes

Human growth hormone

Mineral salts

Antibiotic genes

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

Glucagon

Estrogen

Insulin

Testosterone

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

Arthritis

Anemia

Diabetes

Tuberculosis

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

Genetic disorder detection

Cancer treatment

Bone repair

Crime scene investigation

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

Flu

Cancer

Tuberculosis

Common cold

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

They bind to one specific antigen

They only treat diabetes

They act as digestive enzymes

They are non-specific

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

DNA/RNA probes

Antibiotics

Vaccines

Hormones

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

PCR

DNA probes

X-rays

Monoclonal antibodies

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

DNA sequencing

RT-PCR tests

MRI scans

Glucose monitoring

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

They are fast-growing

They are cheap

They are highly specific to target antigens

They act like painkillers

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

Injection of monoclonal antibodies

Getting a flu shot

Consumption of antibiotics

Natural exposure to virus

49. What does ELISA stand for?

Enzyme-Linked Immunosorbent Assay

Elastic Light Indicator of Serum Antibodies

Enzyme-Lipid Ion Sensing Assay

Electro-Light Immuno Series Assay

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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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