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Q.8 If a projectile lifts off from the surface of the Earth with a speed of 11.2 km.s–1 , then it can escapefrom the Earth’s gravitational field completely. This is […]

Q.7 The major product(s) produced by gas phase UV irradiation of 2-pentanone is (are)(A) acetone and ethene(B) acetic acid and propionic acid(C) 2-pentanol(D) cyclopentane The major product(s) from gas phase […]

Q.6 Cephalin, a biological surfactant, is(A) choline phosphoglyceride(B) ethanolamine phosphoglyceride(C) glycosphingolipid(D) sphingolipid Cephalin, a Biological Surfactant: MCQ Solution and Detailed Explanation Cephalin functions as a biological surfactant due to its […]

Q.5 Choose the option that lists the correct sequence of steps involved in gene therapy.P. Injection of expression vector into patientQ. Wild-type gene is inserted into expression vectorR. Wild-type gene […]

Q.4 Which among the following contain(s) oxygen-rich blood in the human vascular system?I. Right ventricleII. AortaIII. Pulmonary vein(A) I only           (B) I and II only(C) I, […]

Q.3 Signaling pathways usually comprise of several intermediate steps that are arranged in the form of acascade. What is the primary outcome of such an arrangement?(A) Specificity of signal transduction(B) […]

Q.2 Identify the statement that is TRUE of operons.(A) Fine regulation of the expression of individual genes are made possible by operons(B) Only genes involved in carbohydrate metabolism are present […]

Q.1 Which one of the following most accurately describes the process of natural selection?(A) Selection of one species over a competing species(B) Selection of individuals that successfully defend themselves against […]

Q.60 The number of optically inactive geometrical isomers of [Pt(NH3)2(py)2Cl2]2+ is _____ . (where, ‘py’ is pyridine)   The complex [Pt(NH3)2(py)2Cl2]2+[Pt(NH3)2(py)2Cl2]2+ has 3 optically inactive geometrical isomers (and 2 optically active ones, giving 5 […]

Q.59 At constant pressure, 200 g of water was heated from 10 °C to 22 °C. The molar heat capacity of H2O at constant pressure is 75.3 J K−1 mol−1. […]