Biology Biotechnology Online Mcqs Test

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Question 1

1. What is recombinant DNA?

Answer

DNA formed by joining DNA from two sources

Answer

DNA mutated naturally

Answer

DNA from the environment

Answer

DNA inside red blood cells

Question 2

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

Answer

They are only for animals

Answer

They require daily doses

Answer

They are less effective

Answer

They are safer and more specific

Question 3

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

Answer

Tuberculosis

Answer

Common cold

Question 4

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

Answer

DNA sequencing

Answer

Glucose monitoring

Answer

RT-PCR tests

Question 5

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

Answer

It removes toxins

Answer

It reduces blood sugar

Answer

It repairs the liver

Answer

It produces vaccines using recombinant DNA

Question 6

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

Answer

Microinjection

Answer

Gel electrophoresis

Answer

Gene therapy

Answer

PCR (Polymerase Chain Reaction)

Question 7

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

Answer

Monoclonal antibody

Answer

Artificial antibody

Answer

Passive antibody

Answer

Polyclonal antibody

Question 8

8. Monoclonal antibodies are used in:

Answer

Producing insulin

Answer

Fermentation

Answer

Fighting infections

Answer

Diagnosing and treating diseases

Question 9

9. What makes biotechnology crucial in future health care?

Answer

Enables early diagnosis, effective treatment, and prevention

Answer

Increases sugar levels

Answer

Replaces doctors

Answer

Slows treatment

Question 10

10. How do monoclonal antibodies help in diagnosing diseases?

Answer

They stimulate red blood cells

Answer

They bind to disease-specific antigens

Answer

They alter DNA

Answer

They increase metabolism

Question 11

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

Answer

Treats all patients the same

Answer

Uses one-size-fits-all drugs

Answer

Customizes treatments based on genetic makeup

Answer

Avoids use of DNA

Question 12

12. Which organ system benefits directly from erythropoietin?

Answer

Circulatory system

Answer

Nervous system

Answer

Digestive system

Answer

Respiratory system

Question 13

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

Answer

Ultrasound

Answer

Blood pressure monitor

Answer

Monoclonal antibody markers

Question 14

14. Biotechnology is used to create vaccines by:

Answer

Using weakened or inactive pathogens or parts of them

Answer

Destroying blood cells

Answer

Changing oxygen levels

Answer

Replacing organs

Question 15

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

Answer

Natural exposure to virus

Answer

Injection of monoclonal antibodies

Answer

Consumption of antibiotics

Answer

Getting a flu shot

Question 16

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

Answer

Human insulin

Question 17

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

Answer

Penicillin

Answer

Interleukin

Answer

Erythropoietin

Question 18

18. What is the primary advantage of recombinant biotechnology?

Answer

Mass production of human proteins

Answer

Slow results

Answer

Unpredictable outcomes

Question 19

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

Answer

Pathogen genes

Answer

Antibiotic genes

Answer

Human growth hormone

Answer

Mineral salts

Question 20

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

Answer

White blood cells

Answer

Antibiotics

Answer

Red blood cells

Answer

Monoclonal antibodies

Question 21

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

Answer

DNA probes

Answer

Monoclonal antibodies

Question 22

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

Answer

Interferon

Question 23

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

Answer

It breaks down food

Answer

It uses genetically modified bacteria to produce human insulin

Answer

It kills bacteria

Answer

It strengthens bones

Question 24

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

Answer

Antibiotics

Answer

Painkillers

Question 25

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

Answer

Interferon beta

Answer

Monoclonal antibodies

Answer

Penicillin

Question 26

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

Answer

Testosterone

Question 27

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

Answer

Killing bacteria

Answer

Producing insulin

Answer

Diagnosing genetic diseases

Answer

Generating electricity

Question 28

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

Answer

Polymerase

Answer

Restriction enzymes

Question 29

29. How are monoclonal antibodies made?

Answer

By injecting insulin

Answer

By fusing a B-cell with a cancer cell

Answer

By combining different hormones

Answer

By culturing bacteria

Question 30

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

Answer

Cancer treatment

Answer

Crime scene investigation

Answer

Genetic disorder detection

Answer

Bone repair

Question 31

31. What is the benefit of using DNA vaccines?

Answer

Risk of infection

Answer

Long-lasting immunity with minimal risk

Answer

High mutation rates

Answer

Limited response

Question 32

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

Answer

Tuberculosis

Question 33

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

Answer

They bind to one specific antigen

Answer

They are non-specific

Answer

They act as digestive enzymes

Answer

They only treat diabetes

Question 34

34. Which disease is commonly diagnosed using DNA probes?

Answer

Sickle cell anemia

Question 35

35. What does ELISA stand for?

Answer

Enzyme-Lipid Ion Sensing Assay

Answer

Enzyme-Linked Immunosorbent Assay

Answer

Electro-Light Immuno Series Assay

Answer

Elastic Light Indicator of Serum Antibodies

Question 36

36. Which biotechnology product helps treat clotting disorders?

Answer

Factor VIII

Answer

Hemoglobin

Question 37

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

Answer

Hybridoma cells

Answer

Stem cells

Answer

Muscle cells

Answer

Red blood cells

Question 38

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

Answer

Visualize blood cells

Answer

Identify specific DNA sequences

Answer

Stimulate immunity

Answer

Destroy cells

Question 39

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

Answer

They are cheap

Answer

They are highly specific to target antigens

Answer

They are fast-growing

Answer

They act like painkillers

Question 40

40. How does biotechnology assist in rapid disease detection?

Answer

By sterilizing hospital beds

Answer

By increasing heart rate

Answer

By using DNA-based tests

Answer

By boiling blood

Question 41

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

Answer

Antibiotics

Answer

DNA/RNA probes

Question 42

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

Answer

It replaces antibiotics

Answer

It increases sugar levels

Answer

It shortens immunity

Answer

It allows precise and faster vaccine production

Question 43

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

Answer

Yeast only

Question 44

44. What is the main purpose of a vaccine?

Answer

Repair tissues

Answer

Stimulate immunity

Answer

Relieve symptoms

Answer

Kill pathogens

Question 45

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

Answer

Streptokinase

Question 46

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

Answer

Monoclonal antibodies

Answer

Antibiotics

Answer

Radiation therapy

Question 47

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

Answer

Stimulate hair growth

Answer

Destroy hormones

Answer

Regulate heart rate

Answer

Bind to cancer cell antigens

Question 48

48. Which medical test uses biotechnology to detect pregnancy?

Answer

Ultrasound

Answer

Urine dipstick test

Question 49

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

Answer

They bind to multiple antigens

Answer

They are highly specific to one antigen

Answer

They produce energy

Answer

They are cheap

Question 50

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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 Online Mcqs Test

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Important Biology Biotechnology Question and Answer

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