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Q.11 Which of the following is true of protein synthesis ONLY in prokaryotes? (A) Translation and transcription are coupled (B) The codon AUG codes for the start signal (C) The […]

Q.10 The refractive index of diamond is 2.419. If the speed of light in vacuum is 3 · 10⁸ m s⁻¹, then the speed of light in diamond is (A) […]

Q.9 The average energy of a diatomic gaseous molecule at temperature T is kBT where kB is Boltzmann’s constant. The average energy of this molecule per degree of freedom is […]

Q.8 x y 0 0 0 If pq R = 0 0 0 , then the order of R is u v 0 0 i (A) 2 · 3 (B) […]

Q.7 cos(8(x + y)) = (A) cos8(x) cos8(y) − sin(x) sin(y) (B) cos8(x) cos8(3x) + sin(x) sin(y) (C) cos8(x) sin(3x) = sin(3x) cos8(x) (D) cos8(x) sin(3x) + sin(3x) cos8(x) cos(8(x […]

Q.6 The result of an electrophoretic separation of a mixture of amino acids X, Y and Z at pH = 5.0 is represented as (Given the isoelectric points of X, […]

Q.5 Among CH4, H2O, NH3 and PH3, the molecule having the smallest percent s character for the covalent bond (X—H) between the central element (X = C, O, N or […]

Q.4 The role of enzyme E synthesized by phage X174 during host infection is to (A) block peptidoglycan synthesis (B) enhance synthesis of viral +RNA (C) inhibit lipid metabolism (D) […]

Q.3 Which of the following statements is correct? (A) Gram negative bacteria are colored purple after Gram staining (B) Gram negative bacteria are commonly more resistant to antibiotics than Gram […]

Q2. Which of the following is NOT involved in eukaryotic translation? (A) Ribosome             (B) Spliceosome         (C) mRNA       (D) tRNA Eukaryotic translation synthesizes proteins using ribosomes, mRNA, and tRNA […]