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BIO 207 CBT PRACTICE

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Take your time to read instructions before taking this test.

 

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

 

If you can get at least 60%, you can be rest assured that you’ll ace BIO 207 exam

 

PS

 

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

 

Note

 

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

 

Please do well to use our comment box incase there’s a message you want to pass to us

 

70 – 100 A

 

60 – 69 B

 

50 – 59 C

 

45 – 49 D

 

40 – 44 E

 

0 – 39 F

 

I wish you success

 

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BIO 207

1 / 40

1. Highlight a key advantage of mRNA transfection over DNA transfection.

2 / 40

2. Specify the physical transfection method that uses gold particles to deliver genetic material.

3 / 40

3. Highlight the main drawback of virus-mediated transfection in clinical research.

4 / 40

4. Identify the physical transfection method that uses electric pulses to permeabilize cell membranes.

5 / 40

5. Identify the organelle targeted in electroporation to deliver genetic material.

6 / 40

6. Identify the equipment used to count cells in suspension.

7 / 40

7. Identify the transfection method that integrates genetic material into the host genome.

8 / 40

8. Highlight the transfection method that uses a short laser pulse to create transient pores in membranes.

9 / 40

9. State the role of sodium hydroxide in preparing plant tissue culture media.

10 / 40

10. ‍State the purpose of subculturing cells in a culture system.

11 / 40

11. Specify the role of phenol red in cell culture media.

12 / 40

12. Highlight the disadvantage of continuous cell lines in biological research.

13 / 40

13. Name the component of cell culture media that ensures physiological pH is maintained.

14 / 40

14. State the term for using enzymes to harvest cells during subculturing.

15 / 40

15. Determine the primary use of an inverted phase-contrast microscope in cell culture.

16 / 40

16. Determine the type of animal cell culture that originates directly from tissue.

17 / 40

17. Determine the major risk associated with using serum in cell culture.

18 / 40

18. Determine the main drawback of serum in cell culture media.

19 / 40

19. Determine the primary disadvantage of virus-mediated transfection.

20 / 40

20. Identify the organism commonly used for viral vector transfection in humans.

21 / 40

21. Specify the chemical method most widely used for transfection.

22 / 40

22. Identify the chemical used to adjust the pH of plant tissue culture media

23 / 40

23. Identify the key advantage of RNA interference in clinical applications

24 / 40

24. Specify the term for cell lines capable of infinite growth.

25 / 40

25. Identify the type of transfection that does not integrate genetic material into the host genome.

26 / 40

26. Define the main purpose of transfection in biological research

27 / 40

27. Specify the technique used to detach strongly adherent cells during subculture

28 / 40

28. Identify the growth phase where roots are formed during plant tissue culture.

29 / 40

29. Identify the plant culture method that uses pollen grains for haploid plant generation.

30 / 40

30. Specify the culture type that involves the growth of individual plant cells in an agitated liquid medium.

31 / 40

31. Specify the method used to ensure sterility of culture media.

32 / 40

32. Specify the type of tissue culture that involves maintaining an entire organ.

33 / 40

33. State the importance of aseptic techniques in cell culture laboratories

34 / 40

34. Highlight the main advantage of primary cell cultures.

35 / 40

35. Highlight the advantage of using serum-free media in cell culture.

36 / 40

36. Highlight the main function of laminar flow hoods in cell culture laboratories.

37 / 40

37. Determine the culture type that involves growing isolated single cells.

38 / 40

38. Name the proteolytic enzyme commonly used to detach adherent cells during subculture.

39 / 40

39. Highlight the culture type used for maintaining an unorganized mass of proliferative plant cells.

40 / 40

40. Highlight the key function of EDTA in cell harvesting.

Your score is

The average score is 45%

0%

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