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Oxidative phosphorylation occurs in (a) Outer membrane of mitochondria (b) Inner membrane of mitochondria (c) Stroma of chloroplast (d) Grana of chloroplast

Inner membrane of mitochondria Oxidative phosphorylation is the final step in cellular respiration. It occurs in the mitochondria. The electron... View Article

A car drives along straight level frictionless road by an engine delivering constant power. Then velocity is directly proportional to? (a) t (b) 1/√t (c) √t (d) None of these

Power, P = F.v P = Constant P = mav P = m(dv/dt)v P dt = mvdv On integrating both sides, we get, ∫P dt = ∫mv dv Pt = mv2/2 v ∝... View Article

Which of the following has zero electron affinity: (a) Oxygen (b) Fluorine (c) Nitrogen (d) Neon

Neon Electron affinity is defined as the amount of energy released when an electron is added to a neutral atom to form an anion. Since noble... View Article

Name the process of designing and maintaining an environment in which individuals working in groups efficiently accomplish selected aims.

Management is the process of designing and maintaining an environment in which individuals, working together in groups, efficiently accomplish... View Article

Complete the series: cmw, hrb,?, rbl, wgq, blv (a) mwg (b) ivf (c) lwg (d) mxg (e) wmx

All the letters of each term are moved 5 steps ahead in alphabetic series to obtain the corresponding letters of the next term. Hence, the... View Article

In the following equation, find the value of k for which the given value is a solution of the given equation, the value of k is kx^2 + √2x – 4 = 0, x = √2

Given kx2 + √2x - 4 = 0 On substituting x = √2, we get, k(√2)2 + √2.√2 - 4 = 0 2k + 2 - 4 = 0 2k - 2 = 0 2k = 2 k =... View Article

A nucleus with mass number 220 initially at rest emits an alpha particle. If the Q value of the reaction is 5.5 MeV, the kinetic energy of the alpha particle is (a) 5.6 MeV (b) 4.4 MeV (c) 6.5 MeV (d) 5.4 MeV

Let M be the nucleus with mass number and X be the daughter nuclei produced. Hence, we have M → X +α Let the mass of daughter nuclei... View Article

A heavy car A of mass 2000 kg travelling at 10 m/s has a head-on collision with a sports car B of mass 500 kg. If both cars stop dead on colliding, what was the velocity of car B?

Given Mass of Car A, m1 = 2000 kg Speed of Car A, v1 = 10 m/s Mass of Car B, m2 = 500 kg We need to find speed of Car B, v2 As per the law of... View Article

One mole of an ideal monoatomic gas is mixed with 1 mole of an ideal diatomic gas. The molar specific heat of the mixture at constant volume is: (a) 3 cal (b) 4 cal (c) 8 cal (d) 9 cal

We know For monoatomic, Cv = (3/2)R For diatomic, Cv = (5/2)R Hence, For mixture Cv = [(3/2)R + (5/2)R]/2 We get, Cv = 2R Cv = 2 x 2 = 4 cal... View Article

A sample of CaCO3 has Ca = 40%, C = 12% and O=48%. If the law of constant proportions is true, then the weight of Calcium in 4 g of a sample of calcium carbonate from another source will be: (a) 0.016 g (b) 0.16 g (c) 1.6 g (d) 16 g

Given Ca = 40%, C = 12% and O = 48% The law of constant proportions holds true In 100 g CaCO3, 40 g Ca is present In 4 g CaCO3, let x g Ca is... View Article

Encryption reduces data security. Choose the correct option from below list (a) False (b) True

The given statement is false. Hence, the correct option is (a)... View Article

Which of the following is non conservative force? (a) Force of friction (b) Magnetic force (c) Gravitational force (d) Electrostatic force

A non-conservative force is a force for which the work done depends on the path taken. Friction is an example of a non-conservative force. When... View Article

Why does nose start bleeding on high mountains? (a) Pressure inside body > atmospheric pressure (b) Pressure inside body < atmospheric pressure (c) Pressure inside body = atmospheric pressure (d) None of the above reason is correct

Pressure inside body > atmospheric pressure Nose starts bleeding on high mountains because the atmospheric pressure decreases and the blood... View Article

Besides oil what else is found deep inside the earth?

Besides oil many minerals are found deep inside the earth such as coal, gold, iron, copper, diamond, potassium, magnesium and zinc.... View Article

LPO stands for _________ (a) Legal Process Outsourcing (b) Legal Process Output (c) Legal Permanent Offer (d) Legal Public Organization

LPO stands for Legal Process Outsourcing. Hence, the correct option is (a)... View Article

For a CE transistor amplifier the audio signal voltage across the collector resistance of 2k omega is 4V. If the current amplification factor of the transistor is 100 and the base resistance is 1K Omega, then the input signal voltage is (a) 10 mV (b) 20 mV (c) 30 mV (d) 15 mV

Given Iα/Iβ = 100 RB = 1000 ohm ⇒ β = 100 = Iα/Iβ V0 = 4V V0/Vi = β(RL/RB) ⇒ Vi = (4 x 1000)/(100... View Article

A motorist knows four different routes from Bristol to Birmingham. From Birmingham to Sheffield he knows three different routes and from Sheffield to Carlisle he knows two different routes. How many routes does he know from Bristol to Carlisle? (a) 12 (b) 24 (c) 48 (d) 60

Given 4 routes from Bristol to Birmingham 3 routes from Birmingham to Sheffield 2 routes from Sheffield to Carlisle Total number of routes... View Article

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