Tag: iit jam biotechnology previous year paper PYQ

Q.20 The number of three letter words, with or without meaning, which can be formed using letters of the word ‘VIRUS’ without repetition of letters is (A) 30 (B) 40 […]

Q.19 If φ(x) = x² and ψ(x) = 2x, then ψ(φ(x)) is (A) 2x² (B) x² (C) 2²x (D) x²x The correct answer is (A) 2x². ψ(φ(x)) represents the composition of […]

Q.18 Match the entries in Group I with that in Group II Group I Group II P) Vitamin B1 1) Co-enzyme A Q) Vitamin B2 2) Flavin mononucleotide R) Vitamin […]

Q.17 Match the entries in Group I with that in Group II Group I Group II P) Fehling’s test 1) α-Amino acid Q) Ninhydrin reaction 2) Reducing sugar R) Biuret […]

Q.16 Match the hormones in Group I with their functions in Group II Group I Group II P) Aldosterone 1) Stimulates the synthesis and secretion of androgens from the testis […]

Q.15 When bacteria are grown in glucose-depleted media containing high concentration of lactose, expression of lac operon genes is activated by (A) the binding of lac repressor in the operator […]

Q.14 Proenzyme pepsinogen is secreted from ‘P’ of gastric mucosa and converted into active enzyme pepsin on exposure to ‘Q’ secreted from ‘R’. Choose the CORRECT combination of P, Q […]

Q.13 Match the entries in Group I with that in Group II. Group I Group II P) Cholera toxin 1) Endotoxin Q) Diphtheria toxin 2) Neurotoxin R) Lipopolysaccharide 3) Enterotoxin […]

Q.12 Which of the following feature(s) should be present in a protein to generate strong immune response (antibody production) in an animal? I. At least one B-cell epitope II. At […]

Q.11 Viral capsids are made up of morphological subunits called capsomeres. One of the common capsomeres is icosahedral. The icosahedron is a regular polyhedron with (A) 16 triangular facets and […]