Author: admin

Q.58 The relationship between the applied force F(X) (in Newton) on a body and itsdisplacement X (in metre) is given below. The total amount of work done in moving thebody […]

Q.57 An ultrasound signal of frequency 50 KHz is sent vertically down into a medium. Thesignal gets reflected from a depth of 25 mm and returns to source 0.00005 seconds […]

Q.56 If A and B are events such that 𝑃𝑃(𝐴𝐴) = 0.3, 𝑃𝑃(𝐵𝐵) = 0.2 and 𝑃𝑃(𝐴𝐴 ∪ 𝐵𝐵) = 0.45, the valueof 𝑃𝑃(𝐴𝐴 ∩ 𝐵𝐵�) is ___________. The value […]

Q.55 For a = ________, the following simultaneous equations have an infinite number of solutions:10𝑥𝑥 + 13𝑦𝑦 = 6𝑎𝑎𝑥𝑥 + 32.5𝑦𝑦 = 15 The system of simultaneous equations 10x + […]

Q.54 For a 0.1 M aqueous solution of lysine, the pH at which it carries no net charge is___________.(pKa values for: α-carboxylic group = 3.1, α-amino group = 8.0, ε–amino […]

Q.53 If a colour-blind woman marries a normal man, the chance that their boy child will becolour-blind is ________%. 100% Color blindness follows X-linked recessive inheritance, where a color-blind woman […]

Q.52 A 100 nucleotide-long single stranded poly-(A) is synthesized from adenosinemonophosphate (AMP) at physiological pH.(Atomic mass of C = 12, H = 1, O = 16, P = 31; at […]

Q.51 The concentration of a purified enzyme is 10 mg/mL. Ten microlitres of the enzyme solutionin a total reaction volume of 1 mL catalyses the formation of 20 nanomoles of […]

Q.50 The mechanism of the following reaction involves the formation of a __________ memberedring. The reaction shown is a Wittig reaction, and its mechanism involves the formation of a four‑membered ring intermediate […]

Q.49 Oxidation state of Fe in the complex K3 [Fe(CN)5NO] is (+) __________. The oxidation state of Fe in K₃[Fe(CN)₅NO] is +2.​ This complex, known as potassium pentacyanonitrosylferrate(II), features three […]