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Q.60 Consider a first order reaction 𝐴 → 𝐵. The initial concentration of 𝐴 is 100 mol L–1and the value of first order rate constant is 0.01 min–1. The concentration […]

Q.59 The rate of transcription in a bacterium is 50 nucleotides/min and the averagemolecular weight of an amino acid is 110 Da. Time taken for synthesis of the mRNAof a […]

Q.58 If a bacterial culture with a doubling time of 30 minutes starts with two cells, thenthe number of cells after 4 hours are _______. Bacterial cultures exhibit exponential growth […]

Q.57 A protein solution of 1 μM has transmission of 40 % at 280 nm, when measured ina 1 cm cuvette using a UV–Visible spectrophotometer. The transmission of the samesolution, […]

Q.56 A random variable X and its probability distribution is given below. The value ofP(X

Q.55 Given data consists of distinct values of 𝑥𝑖 occurring with frequencies 𝑓𝑖. The meanvalue for the data is _______. (rounded off to one decimal place) Question Details The question […]

Q.54 An electron is accelerated from rest through a potential difference of 200 V. The deBroglie wavelength associated with this electron is _______ nm. (Rounded off to 2decimal places) (Planck’s […]

Q.53 The heat required to convert 2 kg of water at 20 °C in a calorimeter to steam at 100°C and at atmospheric pressure (1 atm) is _______ kJ. (Specific […]

Q.52 Km and Vmax of an enzyme preparation are 5 μM and 30 μM min–1 respectively.Considering, Ki value of competitive inhibitor is 60 μM, the velocity (V0) of thisenzyme–catalyzed reaction […]