Punjab 12th Class Biology Chapter 23 Biotechnology Mcqs Test Online
Questions 15
Total Marks 30
Time 15 Mins
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Punjab 12th Class Biology Chapter 23 Biotechnology Mcqs Test Online

Biology Chapter 23 Biotechnology Mcqs Test Online Punjab Boards 12th Class

 

Question 1 of 15

Biology

1. Gel electrophoresis separates nucleic acid on the basis of difference:
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Question 1 of 15

Question 2 of 15

2. Plants are more readily manipulated by genetic engineering than are animals because:

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Question 2 of 15

Question 3 of 15

3. A cDNA clone contains:
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Question 3 of 15

Question 4 of 15

4. Which of the following sequences in double-stranded DNA is mostly likely to be recognized as a cutting site for a restriction enzyme?
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Question 4 of 15

Question 5 of 15

5. Which of the following tools of recombinant DNA technology is incorrectly paired with its use?

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Question 5 of 15

Question 6 of 15

6. The Dideoxynucleotides (ddATP, ddTTP, ddGTP, and ddCTP) are improvement in DNA sequencing because they:
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Question 6 of 15

Question 7 of 15

7. If eukaryotic DNA contains five cleavage sites for a particular restriction enzyme, how many fragments will be produced upon complete digestion of the DNA with that enzyme:
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Question 7 of 15

Question 8 of 15

8. A paleontologist, has recovered a bit of tissue from the 400 year old preserved skin of an extinct bird. The researcher would like to compare DNA from the sample with DNA from living birds. Which of the following would be most useful for increasing the amount of the bird DNA available for testing?
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Question 8 of 15

Question 9 of 15

9. DNA molecules with complementary sticky ends associate by:

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Question 9 of 15

Question 10 of 15

10. A Plasmid:
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Question 10 of 15

Question 11 of 15

11. Which technique rapidly replicates specific DNA fragments without cloning?
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Question 11 of 15

Question 12 of 15

12. The Ti plasmid carried by Agrobacterium tumefaciens, is especially useful for introducing genes into a:
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Question 12 of 15

Question 13 of 15

13. Which of the following is highly polymorphic molecular marker which is useful in DNA fingerprinting?
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Question 13 of 15

Question 14 of 15

14. A Genomic DNA library:
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Question 15 of 15

15. The PCR technique polymerase chain reaction:
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Question 15 of 15


 

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