Biology Biotechnology Online Mcqs Test

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Question 1

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

Answer

Visualize blood cells

Answer

Stimulate immunity

Answer

Destroy cells

Answer

Identify specific DNA sequences

Question 2

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

Answer

Destroy hormones

Answer

Regulate heart rate

Answer

Bind to cancer cell antigens

Answer

Stimulate hair growth

Question 3

3. Monoclonal antibodies are used in:

Answer

Producing insulin

Answer

Diagnosing and treating diseases

Answer

Fighting infections

Answer

Fermentation

Question 4

4. What is the main purpose of a vaccine?

Answer

Relieve symptoms

Answer

Repair tissues

Answer

Kill pathogens

Answer

Stimulate immunity

Question 5

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

Answer

Antibiotic genes

Answer

Human growth hormone

Answer

Pathogen genes

Answer

Mineral salts

Question 6

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

Answer

Uses one-size-fits-all drugs

Answer

Treats all patients the same

Answer

Avoids use of DNA

Answer

Customizes treatments based on genetic makeup

Question 7

7. How do monoclonal antibodies help in diagnosing diseases?

Answer

They bind to disease-specific antigens

Answer

They stimulate red blood cells

Answer

They increase metabolism

Answer

They alter DNA

Question 8

8. 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 9

9. Which medical test uses biotechnology to detect pregnancy?

Answer

Urine dipstick test

Answer

Ultrasound

Question 10

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

Answer

It produces vaccines using recombinant DNA

Answer

It repairs the liver

Answer

It removes toxins

Answer

It reduces blood sugar

Question 11

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

Answer

Polymerase

Answer

Restriction enzymes

Question 12

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

Answer

Human insulin

Question 13

13. What makes biotechnology crucial in future health care?

Answer

Slows treatment

Answer

Increases sugar levels

Answer

Enables early diagnosis, effective treatment, and prevention

Answer

Replaces doctors

Question 14

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

Answer

Microinjection

Answer

Gene therapy

Answer

PCR (Polymerase Chain Reaction)

Answer

Gel electrophoresis

Question 15

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

Answer

Cancer treatment

Answer

Crime scene investigation

Answer

Bone repair

Answer

Genetic disorder detection

Question 16

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

Answer

DNA probes

Answer

Monoclonal antibodies

Question 17

17. What is the benefit of using DNA vaccines?

Answer

Limited response

Answer

Long-lasting immunity with minimal risk

Answer

High mutation rates

Answer

Risk of infection

Question 18

18. What is recombinant DNA?

Answer

DNA formed by joining DNA from two sources

Answer

DNA from the environment

Answer

DNA inside red blood cells

Answer

DNA mutated naturally

Question 19

19. 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 are cheap

Answer

They produce energy

Question 20

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

Answer

They are less effective

Answer

They are only for animals

Answer

They are safer and more specific

Answer

They require daily doses

Question 21

21. Which disease is commonly diagnosed using DNA probes?

Answer

Sickle cell anemia

Question 22

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

Answer

Streptokinase

Question 23

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

Answer

Red blood cells

Answer

Stem cells

Answer

Hybridoma cells

Answer

Muscle cells

Question 24

24. How are monoclonal antibodies made?

Answer

By injecting insulin

Answer

By combining different hormones

Answer

By fusing a B-cell with a cancer cell

Answer

By culturing bacteria

Question 25

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

Answer

Antibiotics

Answer

Painkillers

Question 26

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

Answer

Ultrasound

Answer

Blood pressure monitor

Answer

Monoclonal antibody markers

Question 27

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

Answer

Killing bacteria

Answer

Generating electricity

Answer

Diagnosing genetic diseases

Answer

Producing insulin

Question 28

28. Which biotechnology product helps treat clotting disorders?

Answer

Hemoglobin

Answer

Factor VIII

Question 29

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

Answer

Passive antibody

Answer

Polyclonal antibody

Answer

Artificial antibody

Answer

Monoclonal antibody

Question 30

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

Answer

Interferon

Question 31

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

Answer

Penicillin

Answer

Interleukin

Answer

Erythropoietin

Question 32

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

Answer

They act as digestive enzymes

Answer

They are non-specific

Answer

They bind to one specific antigen

Answer

They only treat diabetes

Question 33

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

Answer

Yeast only

Question 34

34. What does ELISA stand for?

Answer

Enzyme-Linked Immunosorbent Assay

Answer

Elastic Light Indicator of Serum Antibodies

Answer

Electro-Light Immuno Series Assay

Answer

Enzyme-Lipid Ion Sensing Assay

Question 35

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

Answer

RT-PCR tests

Answer

DNA sequencing

Answer

Glucose monitoring

Question 36

36. Biotechnology is used to create vaccines by:

Answer

Destroying blood cells

Answer

Changing oxygen levels

Answer

Using weakened or inactive pathogens or parts of them

Answer

Replacing organs

Question 37

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

Answer

It allows precise and faster vaccine production

Answer

It shortens immunity

Answer

It increases sugar levels

Answer

It replaces antibiotics

Question 38

38. Which organ system benefits directly from erythropoietin?

Answer

Circulatory system

Answer

Nervous system

Answer

Respiratory system

Answer

Digestive system

Question 39

39. How does biotechnology assist in rapid disease detection?

Answer

By boiling blood

Answer

By increasing heart rate

Answer

By sterilizing hospital beds

Answer

By using DNA-based tests

Question 40

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

Answer

It uses genetically modified bacteria to produce human insulin

Answer

It strengthens bones

Answer

It kills bacteria

Answer

It breaks down food

Question 41

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

Answer

Tuberculosis

Question 42

42. What is the primary advantage of recombinant biotechnology?

Answer

Slow results

Answer

Unpredictable outcomes

Answer

Mass production of human proteins

Question 43

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

Answer

Testosterone

Question 44

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

Answer

Monoclonal antibodies

Answer

Antibiotics

Answer

Radiation therapy

Question 45

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

Answer

Red blood cells

Answer

White blood cells

Answer

Antibiotics

Answer

Monoclonal antibodies

Question 46

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

Answer

Tuberculosis

Answer

Common cold

Question 47

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

Answer

DNA/RNA probes

Answer

Antibiotics

Question 48

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

Answer

They are cheap

Answer

They act like painkillers

Answer

They are fast-growing

Answer

They are highly specific to target antigens

Question 49

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

Answer

Monoclonal antibodies

Answer

Interferon beta

Answer

Penicillin

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

Biology Biotechnology Practice Test Online With Explanation

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Key Preparation Tips:

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