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Natural Products Chemistry

24 questions · Chemistry · IIT JAM
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Natural Products Chemistry

24 questions · Chemistry · IIT JAM

  1. The correct statement(s) among the following is(are)2025 · Q38 · Multiple correct
  2. The molecular structure of table sugar is2025 · Q7 · MCQ
  3. The following dipeptide derivative is used as an artificial sweetener: The constituent α-amino acids of this dipeptide are Includes diagram2024 · Q1 · MCQ
  4. Among the following, the compound(s) which produce the same osazone as that obtained from D-glucose, when reacted with phenylhydrazine, is/are2024 · Q33 · Multiple correct
  5. The isoelectric point of glutamic acid is ​ (round off to two decimal places) Includes diagram2023 · Q43 · Numerical
  6. The functional group(s) in reducing sugar that tests positive with Tollen’s reagent is (are)2021 · Q38 · Multiple correct
  7. Among the following, the total number of terpenes(terpenoids) is Includes diagram2021 · Q46 · Numerical
  8. The amino acid with *R* configuration is2020 · Q10 · MCQ
  9. The nucleobase NOT found in DNA is2020 · Q4 · MCQ
  10. The total number of head to tail isoprene linkages in the following molecule is ​ Includes diagram2020 · Q60 · Numerical
  11. The complementary strand for the following single strand of DNA is 5' ← A — T — G — C — T → 3'2019 · Q10 · MCQ
  12. In the following reaction of (D)-Glucose, a product P is formed. (D)-Glucose 1 Br2​/H2​O2 H2​O2​,Fe2​(SO4​)3​​ P Among the following compounds, the one which will give the same product (P) under identical reaction…2019 · Q26 · MCQ
  13. The correct statement(s) among the following is/are2019 · Q38 · Multiple correct
  14. Based on the information given below, the isoelectric point (pI) of lysine is ​. (Round off to one decimal place) Includes diagram2019 · Q48 · Numerical
  15. On reaction with NaNO₂ and HCl, which of the following amino alcohol(s) will yield compound P? Includes diagram2018 · Q35 · Multiple correct
  16. Tetrapeptide(s) that gives(give) the following product on reaction with Sanger's reagent followed by hydrolysis is(are) Includes diagram2018 · Q38 · Multiple correct
  17. The number of hydrogen bond(s) present in a guanine-cytosine base pair is2018 · Q45 · Numerical
  18. The C-2 epimer of D-glucose is2018 · Q7 · MCQ
  19. Among the following, the correct statement(s) is/are2017 · Q35 · Multiple correct
  20. The number of reducing sugars among the following is Includes diagram2017 · Q44 · Numerical
  21. The maximum number of dipeptides that could be obtained by reaction of phenylalanine with leucine is2017 · Q45 · Numerical
  22. Consider the following reaction: (D)-glucose Ph-NH-NH2​cat. H∗​ X Among the following, the compound(s) whose osazone derivative(s) will have the same melting point as that of X is(are)2016 · Q32 · Multiple correct
  23. The most basic amino acid among the following is2016 · Q4 · MCQ
  24. The pK a​ values of lysine are 2.18, 8.95 and 10.79. The isoelectric point of lysine is ​2015 · Q44 · Numerical