Q.3 Which one of the points P = (3/2, 1/2), Q = (1/2, 3/2), R = (3/2, 11/2) and S = (11/2, 3/2) lies ABOVE the parabola x² = y² […]
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Lac Operon Operator Mutation Constitutive Expression β-Galactosidase Cis Dominant
Q.2 A mutation in the operator locus of lac operon that confers constitutive expression of β–galactosidase is ________.(A) cis dominant (B) trans dominant (C) co-dominant (D) dominant negative The correct […]
Glycosidic Linkages in Cellulose and Amylose
Q.1 The glycosidic linkages in cellulose and amylose are ________, respectively.(A) α 1-4 and β 1-4(B) β 1-4 and α 1-4(C) β 1-4 and α 1-6(D) α 1-4 and α […]
Enzyme Catalyzed First-Order Reaction
Q.60 In an enzyme catalyzed first-order reaction, the substrate conversion follows an exponentialpattern such that 80 % of the substrate is converted in 10 minutes. The first-order rateconstant (in min–1) […]
Amplitude of SHM from Velocity and Acceleration Equations
Q.59 At a given time t, velocity (v) and acceleration (a) of a particle undergoing simple harmonic motion are given by v(t) = -100 sin(20t + π/3), a(t) = -2000 […]
Energy Required to Move Electron from Ground State to First Excited State
Q.58 Energy of the electron in hydrogen atom in its ground state is 13.6 eV. The energy required (in eV) to move the electron from its ground state to the […]
Force on Middle Charge
Q.57 One point charge (q) each, is placed along a line at 3 different points x = 0, x = 2 nm and x = 6 nm. The force between […]
Bouncing Ball Total Vertical Distance
Q.56 A bouncing ball is dropped from an initial height of h meters above a flat surface. Each time the ball hits the surface, it rebounds a distance r × […]
Average Value of f(x)=√(9−x²) on [-3,3]
Q.55 The average value of function f(x) = 9 – ₓ² on [-3, 3], rounded off to TWO decimal places, is ________. Finding the average value of a continuous function […]
Limit \(\lim_{x\to 0}\frac{2-\sqrt{4-x}}{x}\)
Q.54 limₓ→₀ (ₓ² – 4ₓ) / (ₓ) The solution to the above limit is ________. Direct answer The limit \(\lim_{x\to 0}\frac{2-\sqrt{4-x}}{x}\) exists and its value is \(-\dfrac{1}{4}\). Introduction The limit […]


