DNA fingerprinting MCQs most probably ask in CSIR NET life science Exam.

 Hello friends, in today's article, we see the MCQs of DNA fingerprinting in Genetic engineering. In DNA fingerprinting you see the MCQs of satellite DNA, VNTR MCQs, father of fingerprinting, etc.

so let's see one by one

DNA Fingerprinting MCQs:-

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DNA fingerprinting MCQs:-

1. _____________  is the method to identify a particular individual rather than simply identifying a species or trait.

1. RNA fingerprinting

2. DNA fingerprinting

3. Colour printing

4. UV identifier

2. The DNA fingerprinting method is used by scientists to distinguish between individuals and they only use ________ sample.

1. Cytoplasm

2. Cell

3. DNA

4. Ribosomal

3. The DNA fingerprinting process or technique was invented by __________ in 1985.

1. Alexa Brown

2. Bill Jonas

3. Neon mask

4. Alex Jeffreys

4. Which of the following can be biological samples for DNA fingerprinting?

1. Blood 

2. Hair

3. Saliva

4. All of the above

5. When DNA is recovered from cells or tissues then this step in DNA fingerprinting is __________.

1. Isolation of DNA

2. Collection of DNA 

3. Centrifugation of DNA

4. Formation of DNA

6. Which of the following enzyme is useful to cut DNA into fragments?

1. Scissor

2. Sensor

3. Restriction

4. Freedom

7. ___________ is the process by which DNA fragments get separated on the basis of size.

1. Electrophoresis

2. Gel Electrophoresis

3. Gel purification

4. None of this

8. The DNA is _______ charged.

1. Positively

2. Gamma

3. Sigma

4. Negatively

(DNA fingerprinting MCQs most probably ask in CSIR NET life science Exam.)

9. The process where DNA fragments are transferred to nylon sheet on the gel for soaking is called as __________.

1. Southern blotting

2. Blood blotting

3. Northern Blotting

4. Nitro Blot

10. Which technique involves the alignment of a hybridized membrane with X-ray film?

1. Radiology

2. Neurotechnology

3. Autobiography

4. Autoradiography

11. What are the differences in the specific regions of DNA sequence called during DNA fingerprinting?

a) Nonrepetitive DNA

b) Repetitive DNA

c) Satellite DNA

d) Histone DNA

12. What are the small peaks achieved by the repetitive DNA during the density gradient centrifugation process of DNA fingerprinting known as?

a) Nonrepetitive DNA

b) Trough

c) Satellite DNA

d) Histone DNA

13. The sequences of satellite DNA do not code for proteins.

a) True

b) False

14. How DNA can be a useful tool in forensic applications?

a) Showing the same degree of polymorphism with hair follicles

b) Showing different degrees of polymorphism with saliva

c) By not possessing any hereditable information

d) By the presence of lysozymes in it

15. How does polymorphism arise?

a) Mutations

b) Recombination

c) Diploidy

d) Haploidy

16. DNA fingerprinting was developed by 

1. Francis Crick

2. Khorana

3. Alec Jeffreys

4. James Watson

17. The technique to distinguish between the individual based on their DNA print patterns is called 

1. DNA fingerprinting

2. DNA profiling

3. Molecular fingerprinting

4. All of the above

18. DNA fingerprinting relies on 

1. The difference in patterns of genes between individuals

2. The difference in the order of genes between individuals

3. The difference in junk DNA patterns between individuals

4. All of these 

19. Minisatellites are

1. 10-40 bp sized short sequences within the genes 

2. Short coding repetitive regions on the eukaryotic genome

3. Short non-coding repetitive sequence present throughout the chromosome 

4. Are regions of chromosomes after the secondary constriction.

20. Each individual has a unique DNA fingerprint as an individual differ in

1. Number of minisatellite on chromosome 

2. Location of minisatellites on chromosome

3. Size of minisatellite on chromosome

4. All of these above

21. DNA profiling is used 

1. In forensic studies and in cases of disputed parentage

2. In the pedigree analysis and to study migration pattern

3. To confirm cell line identity 

4. All of these above

22. DNA profiling technique to demonstrate the similarity between different animal species with reference to some specific protein-coding DNA sequence is called.

1. Zoo blot

2. Phylogenetic blot

3. Animal profiling

4. Animal blot

23. The DNA fingerprinting pattern of a child is 

1. Exactly similar to that of both of the parents

2. 100% similar to the father’s DNA print

3. 100% similar to the mother’s DNA print

4. 50% bands similar to father and rest similar to mother 

24. DNA profiling technique to demonstrate the similarity between different plant species with reference to some specific protein-coding DNA sequence is called 

1. Phyto blot

2. Garden blot

3. Plant profiling

4. All of these

25. DNA fingerprinting identifies differences in 

1. Repetitive DNA

2. Bulk DNA

3.  Satellite DNA

4. Both a and b

26. During Density gradient centrifugation, major peaks are formed by

1. Bulk DNA

2. Repetitive DNA

3. Genomic DNA

4. Both a and c

(DNA fingerprinting MCQs most probably ask in CSIR NET life science Exam.)

27. During density gradient centrifugation, minor peaks represent

1. Bulk DNA

2. Repetitive DNA

3. Genomic DNA

4. Satellite DNA

28. Satellite DNA classification is based on

1. Base composition

2. Length of segment

3. No of repetitive units

4. All of these above

29. Satellite DNA is

1. Protein coding

2. mRNA coding

3. Non-protein coding

4. Satellite protein-coding 

30. What forms the basis of DNA fingerprinting?

1. Genomic DNA

2. Bulk DNA

3. Satellite DNA

4. Both a and c

31. Satellite DNA shows 

1. The high degree of polymorphism

2. Low degree of polymorphism

3. No polymorphism

4. None of these

32. Polymorphism in DNA forms the basis of 

1. Genetic mapping

2. DNA fingerprinting

3. Both a and b

4. None of these

33. The existence of polymorphism is due to 

1. Mutation

2. Crossing over

3. Migration

4. Both a and b

34. In DNA fingerprinting probe is made up of 

1. Satellite DNA

2. Genomic DNA

3. RNA

4. Protein

35. VNTR stands for

1. Variable number of tendon repeats

2. The variable number for tandem repeats

3. Variable number of tandem repeats 

4. Variable number of terms repeats

36. The transferring of separated RNA fragments to the synthetic membrane is called 

1. Southern hybridization

2. Northern hybridization

3. Western hybridization

4. Eastern hybridization

37. The technique of DNA fingerprinting involves the following events in the order 

1. Isolation of DNA

2. DNA digestion by restriction endonuclease 

3. DNA separation

4. Southern blotting

5. Hybridization 

6. Autoradiography

1. 654321

2. 132456

3. 123456

4. 132546

38. VNTR belong to which class of DNA 

1. Mini-satellite 

2. Macro-satellite

3. Nano-satellite

4. Kilosatellite

39. The size of VNTR varies from 

1. 0.1 to 20 kb

2. 0.1 to 200 kb

3. 1 to 20 kb

4. 0.10 to 0.20 kb

40. The DNA fingerprinting is the same for 

1. Cousins

2. Monozygotic twins

3. Dizygotic twins

4. Siblings

(DNA fingerprinting MCQs most probably ask in CSIR NET life science Exam.)

41. The DNA fingerprinting has application in 

1. Forensic sciences

2. Population genetics

3. Genetic diversities determination

4. All of these above

42. The father of DNA fingerprinting is 

1. H.J. Khorana

2. Alec Jeffreys

3. Karry Mullis

4. E.M southern

43. DNA molecule takes a complete turn after

1. Every base pair

2. Every five base pair

3. Every ten base pair

4. Every two base pair

Answer:-

1) B 

2) C

3) D

4) D

5) A

6) C

7) B

8) D

9) A

10) D

11) B

12) C

13) A

14) A

15) A

16) C

17) D

18) C

19) C

20) D

21) D

22) A

23) D

24) B

25) A

26) D

27) D

28) D

29) C

30) C

31) A

32) C

33) A

34) A 

35) C

36) B

37) C

38) A

39) A

40) B

41) D

42) B

43) C