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IIT JAM Biotechnology Past Year Papers - 2023 | IIT JAM Past Year Papers and Model Test Paper (All Branches) PDF Download

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JAM 2023 Confidential Biotechnology (BT) 
MS 3/43 
Section A: Q.1 – Q.10 Carry ONE mark each. 
 
 
Q.1 Which one of the following compounds inhibits the polymerization of tubulin to 
microtubules in animal cells? 
(A) ATP 
(B) Taxol 
(C) Thymosin 
(D) Vinblastine  
  
  
Q.2 Arrange the following elements in increasing order of their electronegativity 
according to the Pauling scale 
C, Na, Be and Br              
(A) Be, Na, C, Br 
(B) Br, C, Na, Be  
(C) Na, Be, C, Br 
(D) Na, C, Be, Br  
Page 2


JAM 2023 Confidential Biotechnology (BT) 
MS 3/43 
Section A: Q.1 – Q.10 Carry ONE mark each. 
 
 
Q.1 Which one of the following compounds inhibits the polymerization of tubulin to 
microtubules in animal cells? 
(A) ATP 
(B) Taxol 
(C) Thymosin 
(D) Vinblastine  
  
  
Q.2 Arrange the following elements in increasing order of their electronegativity 
according to the Pauling scale 
C, Na, Be and Br              
(A) Be, Na, C, Br 
(B) Br, C, Na, Be  
(C) Na, Be, C, Br 
(D) Na, C, Be, Br  
JAM 2023 Confidential Biotechnology (BT) 
MS 4/43 
Q.3 Which one of the following is NOT a plant vascular tissue?                 
(A) Phloem  
(B) Periderm 
(C) Stele 
(D) Xylem  
  
  
Q.4 A growing shoot of a germinating seedling encounters an underground obstacle. 
Which one of the following hormones elicits ‘triple response’ to the underground 
obstacle? 
(A) Auxin  
(B) Cytokinin 
(C) Ethylene 
(D) Gibberellins 
  
  
Page 3


JAM 2023 Confidential Biotechnology (BT) 
MS 3/43 
Section A: Q.1 – Q.10 Carry ONE mark each. 
 
 
Q.1 Which one of the following compounds inhibits the polymerization of tubulin to 
microtubules in animal cells? 
(A) ATP 
(B) Taxol 
(C) Thymosin 
(D) Vinblastine  
  
  
Q.2 Arrange the following elements in increasing order of their electronegativity 
according to the Pauling scale 
C, Na, Be and Br              
(A) Be, Na, C, Br 
(B) Br, C, Na, Be  
(C) Na, Be, C, Br 
(D) Na, C, Be, Br  
JAM 2023 Confidential Biotechnology (BT) 
MS 4/43 
Q.3 Which one of the following is NOT a plant vascular tissue?                 
(A) Phloem  
(B) Periderm 
(C) Stele 
(D) Xylem  
  
  
Q.4 A growing shoot of a germinating seedling encounters an underground obstacle. 
Which one of the following hormones elicits ‘triple response’ to the underground 
obstacle? 
(A) Auxin  
(B) Cytokinin 
(C) Ethylene 
(D) Gibberellins 
  
  
JAM 2023 Confidential Biotechnology (BT) 
MS 5/43 
Q.5 Which one of the following pairs of antibodies contains ‘J-chain’ in their multimeric 
form?                
(A) IgA and IgE 
(B) IgA and IgM  
(C) IgD and IgE  
(D) IgD and IgG 
  
  
Q.6 Restriction enzymes that recognize the same nucleotide sequence but cleave at 
different positions are called  
(A) heterohypekomers  
(B) isocaudomers   
(C) isoschizomers 
(D) neoschizomers 
  
  
Page 4


JAM 2023 Confidential Biotechnology (BT) 
MS 3/43 
Section A: Q.1 – Q.10 Carry ONE mark each. 
 
 
Q.1 Which one of the following compounds inhibits the polymerization of tubulin to 
microtubules in animal cells? 
(A) ATP 
(B) Taxol 
(C) Thymosin 
(D) Vinblastine  
  
  
Q.2 Arrange the following elements in increasing order of their electronegativity 
according to the Pauling scale 
C, Na, Be and Br              
(A) Be, Na, C, Br 
(B) Br, C, Na, Be  
(C) Na, Be, C, Br 
(D) Na, C, Be, Br  
JAM 2023 Confidential Biotechnology (BT) 
MS 4/43 
Q.3 Which one of the following is NOT a plant vascular tissue?                 
(A) Phloem  
(B) Periderm 
(C) Stele 
(D) Xylem  
  
  
Q.4 A growing shoot of a germinating seedling encounters an underground obstacle. 
Which one of the following hormones elicits ‘triple response’ to the underground 
obstacle? 
(A) Auxin  
(B) Cytokinin 
(C) Ethylene 
(D) Gibberellins 
  
  
JAM 2023 Confidential Biotechnology (BT) 
MS 5/43 
Q.5 Which one of the following pairs of antibodies contains ‘J-chain’ in their multimeric 
form?                
(A) IgA and IgE 
(B) IgA and IgM  
(C) IgD and IgE  
(D) IgD and IgG 
  
  
Q.6 Restriction enzymes that recognize the same nucleotide sequence but cleave at 
different positions are called  
(A) heterohypekomers  
(B) isocaudomers   
(C) isoschizomers 
(D) neoschizomers 
  
  
JAM 2023 Confidential Biotechnology (BT) 
MS 6/43 
Q.7 Which one of the following does NOT belong to the freshwater ecosystem?               
(A) Estuary 
(B) Lentic 
(C) Lotic 
(D) Wetland  
  
  
Q.8 Which one of the following is transcribed by RNA polymerase III in eukaryotes?  
(A) 18S rRNA 
(B) 28S rRNA  
(C) miRNA 
(D) tRNA  
  
  
  
Page 5


JAM 2023 Confidential Biotechnology (BT) 
MS 3/43 
Section A: Q.1 – Q.10 Carry ONE mark each. 
 
 
Q.1 Which one of the following compounds inhibits the polymerization of tubulin to 
microtubules in animal cells? 
(A) ATP 
(B) Taxol 
(C) Thymosin 
(D) Vinblastine  
  
  
Q.2 Arrange the following elements in increasing order of their electronegativity 
according to the Pauling scale 
C, Na, Be and Br              
(A) Be, Na, C, Br 
(B) Br, C, Na, Be  
(C) Na, Be, C, Br 
(D) Na, C, Be, Br  
JAM 2023 Confidential Biotechnology (BT) 
MS 4/43 
Q.3 Which one of the following is NOT a plant vascular tissue?                 
(A) Phloem  
(B) Periderm 
(C) Stele 
(D) Xylem  
  
  
Q.4 A growing shoot of a germinating seedling encounters an underground obstacle. 
Which one of the following hormones elicits ‘triple response’ to the underground 
obstacle? 
(A) Auxin  
(B) Cytokinin 
(C) Ethylene 
(D) Gibberellins 
  
  
JAM 2023 Confidential Biotechnology (BT) 
MS 5/43 
Q.5 Which one of the following pairs of antibodies contains ‘J-chain’ in their multimeric 
form?                
(A) IgA and IgE 
(B) IgA and IgM  
(C) IgD and IgE  
(D) IgD and IgG 
  
  
Q.6 Restriction enzymes that recognize the same nucleotide sequence but cleave at 
different positions are called  
(A) heterohypekomers  
(B) isocaudomers   
(C) isoschizomers 
(D) neoschizomers 
  
  
JAM 2023 Confidential Biotechnology (BT) 
MS 6/43 
Q.7 Which one of the following does NOT belong to the freshwater ecosystem?               
(A) Estuary 
(B) Lentic 
(C) Lotic 
(D) Wetland  
  
  
Q.8 Which one of the following is transcribed by RNA polymerase III in eukaryotes?  
(A) 18S rRNA 
(B) 28S rRNA  
(C) miRNA 
(D) tRNA  
  
  
  
JAM 2023 Confidential Biotechnology (BT) 
MS 7/43 
Q.9 Given the following sets: 
?? = {2, 4, 6, 8, 10, 12}  
?? = {8, 10, 12, 14, 16, 18}  
?? = {7, 8, 9, 10 11, 12, 13}  
 (?? n ?? ) ? (?? n ?? ) is 
(A) {8, 10, 12, 14}  
(B) {8, 10, 12}  
(C) {7, 8, 10, 11, 12, 13, 14}  
(D) {4, 6, 7, 8 10, 11, 12, 13}  
  
  
  
  
  
  
  
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29 docs|48 tests
29 docs|48 tests
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