Match the following enzymes with their functions:
Column I Column II
i.  Restriction endonuclease a.  Joins the DNA fragments 
ii.  Restriction exonucleases  b.  Extends primers on genomic DNA template 
iii.  DNA ligase  c.  Cuts DNA at Specific position 
iv.  Taq polymerase  d.  Removes nucleotides from the ends of DNA 
Select the correct option from the following:
1. i-b, ii-d, iii-a, iv-c
2. i-c, ii-a, iii-d, iv-b
3. i-c, ii-d, iii-a, iv-b
4. i-d, ii-c, iii-a, iv-b

Subtopic:  Restriction Enzymes - Main Enzymes |
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Study the following lists: 
List I  List II 
i.  Vector  a.  Resistant to cotton bollworms. 
ii.  Downstream processing  b.  Mobile genetic elements 
iii.  Cry II AB c.  Controls corn borer 
iv.  Transposons  d.   Ti plasmid  
e.  Purifying protein in biopharmaceuticals.
1. (i-c); (ii-e); (iii-d); (iv-b)
2. (i-d); (ii-e); (iii-b); (iv-c)
3. (i-d); (ii-e); (iii-a); (iv-b)
4. (i-d); (ii-b); (iii-a); (iv-e)
Subtopic:  Bt Crops |
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Match the following. 
List I List II List II
i.  Hind III a.  Agarose gel  1.  Six base pairs 
ii.  pBR322 b.  Agrobacterium  2.  Selectable marker 
iii.  T-DNA  c.  Ampicillin  3.  Elution 
iv.  DNA  d.  Recognition sequences  4.  Transgenic plant 
The CORRECT answer is 
i ii iii iv 
1.  d,1 a,3 c,3 b,4
2.  d,1  c,2 a,3 b,4
3.  d,1 c,2 b,4 a,3
4.  a,3 b,4 c,2 d,1
Subtopic:  Tools: Vectors: I |
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Study the following lists
List I  List II 
1 Eco RI I Vector for transgenic plants 
2 Ti plasmid  II Restriction enzyme 
pBR 322 III Probe 
Reverse transcriptase  IV RNA dependent DNA synthesis 
V Artificial plasmid 
 
1 2 3 4
1.  II I V IV
2.  I II III IV
3.  II I IV V
4.  II I IV III
Subtopic:  Tools: Vectors: I |
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Match the technique in columns-I with the terms given in column-II. 
Column I  Column II
(a)  Gel electrophoresis  (i)  Chimeric DNA 
(b)  Restriction endonuclease  (ii)  In vitro DNA multiplication 
(c)  rDNA technology  (iii)  Palindrome 
(d)  PCR  (iv)  Separation of DNA fragments. 
1. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
2. (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
3. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
4. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
Subtopic:  Tools |
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Match the restriction enzyme given in Column-I with their source given in Column-II and choose the correct option. 
Column-I Column-II
i.  Alu I  a.  Bacillus amyloliquefaciens 
ii.  Bam HI  b.  H. influenza RD 
iii.  Eco RI c.  Arthobacter luteus 
iv.  Hind II  d.  Escherichia coli Ry 13
1. i-a, ii-c, iii-d, iv-b
2. i-c, ii-b, iii-d, iv-a
3. i-c, ii-d, iii-a, iv-b
4. i-c, ii-a, iii-d, iv-b
Subtopic:  Restriction Enzymes - Main Enzymes |
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Match the Column I (Restriction enzyme) with Column II (Recognition sequence) and Select the correct option.
Column I 
(Restriction Enzyme) 
Column II 
(Recognition sequence) 
i.  AluI P.  \(5'---G- \downarrow-A-T-C-C---3'\\3'---C-C-T-A-G-\uparrow-G---5'\)
ii,  BamHI Q.  \(5'---A-G-\downarrow-C-T---3'\\ 3' ---T-C- \uparrow -G-A---5' \)
iii.  EcoRI  R.  \(5'--G-T-C- \downarrow - G-A-C--3' \\ 3'--C-A-G-\uparrow-C-T-G--5'\)
iv.  HindII S.  \(5'---G- \downarrow-A-A-T-T-C---3'\\ 3'--- C-T-T-A-A-\uparrow-G---5'\)

1. (i)-(R),(ii)-(P), (iii)-(S), (iv)-(Q)
2. (i)-(S),(ii)-(P), (iii)-(Q), (iv)-(R)
3. (i)-(P),(ii)-(Q), (iii)-(S), (iv)-(R)
4. (i)-(Q),(ii)-(P), (iii)-(S), (iv)-(R)  
Subtopic:  Tools: Vectors: I |
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Match Column-I with column II and select the correct option
Column-I Column-II
(a) DNA fragmentation (i) ssDNA gets embedded in nylon membrane
(b) Electrophoresis (ii) Sample DNA and probe DNA from double stranded DNA
(c) Southern blotting  (iii) DNA fragmentation move to positive pole
(d) Hybridization (iv) Fragments of DNA with variable length are formed
1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv) 
2. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii) 
3. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
4. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)  




 
Subtopic:  Tools |
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Match Column-I with column II and select the correct option
Column-I Column-II
(a) Gel electrophosis (i) To combine genes from two organisms
(b) cDNA (ii) To make a copy of DNA from mRNA
(c) Genetic Engineering  (iii) Separate the DNA fragments
(d) PCR (iv) Gene multiplication in vitro
1. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i) 
2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv) 
3. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
4. (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)  





 
Subtopic:  Tools |
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Match the process of PCR in column I with the corresponding temperature in column II and select the correct option
Column-I Column-II
(a) Heat denaturation (i) 70-75°C
(b) Annealing (ii) 90-98°C
(c) Primer extension (iii) 40-60°C
1. (a)-(ii), (b)-(i), (c)-(iii)
2. (a)-(i), (b)-(iii), (c)-(ii)
3. (a)-(i), (b)-(ii), (c)-(iii)
4. (a)-(ii), (b)-(iii), (c)-(i)





 
Subtopic:  Polymerase Chain Reaction: PCR |
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