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Q.43 A population is in Hardy–Weinberg equilibrium for a gene with only two alleles (“A”and “a”). If the gene frequency of the allele “A” is 0.7, genotype frequency ofheterozygous “Aa” […]

Q.42 A 152 nm long Watson–Crick double helical DNA (B–DNA) will contain _____ turns. A 152 nm long Watson-Crick double helical B-DNA contains 45 turns. This calculation uses standard structural parameters […]

Q.41 The net charge on the following peptide at pH 7.0 is _____ .Val-Asp-Asn-Lys-Ser-Ile The net charge on the peptide Val-Asp-Asn-Lys-Ser-Ile at pH 7.0 is +1. The net charge on peptide […]

Q.40 In the 1H NMR spectrum of 1–bromopropane (structure shown below), which of thefollowing statements are CORRECT?CH2 CH2 CH3cbaBr(A) Protons ‘a’ resonate upfield to protons ‘c’(B) Protons ‘b’ resonate downfield […]

Q.39 Which of the following statements are CORRECT?(A) Fluorescence has a much longer decay period than that of phosphorescence(B) Radiative transition from T1 to S 0 is phosphorescence(C) Radiative transition […]

Q.38 The magnetic field in the interior of a long current–carrying solenoid can beincreased by(A) increasing the length of solenoid while keeping the number of turns per unitlength as constant(B) […]

Q.37 In $$ \triangle PQR, \angle P = 60^\circ $$, QP = QR and S is the mid-point of QR. If QS = PS and PR = 5, then PQ […]

Q.36 If $$ f(x) = \begin{cases} ax^2 + bx + c & 0 \leq x \leq 1 \\ c + \frac{x \sin(\frac{\pi x}{2})}{10} & 1 \leq x \leq 2 \end{cases} […]

Q.35 Apoptosis is a controlled process of cell death. The process involves(A) exposure of phosphatidyl serine on the outer surface of the cell membrane(B) decreased permeability of the outer mitochondrial […]

Q.34 Which of the following are NOT true for photosynthesis?(A) Reduction of CO2 and H2O(B) Oxidation of CO2 and H2O(C) Reduction of CO2 and oxidation of H2O(D) Oxidation of CO2 […]