Generally, first portion of a logistic curve for the population growth of a developing city,
represents the growth of
(A) Increasing
(B) Decreasing
(C) Constant
(D) All the above
Description : The transitional middle portion of a logistic curve follows (A) A geometric growth (B) A logarithmic growth (C) A first over curve (D) A constant rate
Last Answer : (D) A constant rate
Description : In the equation P = PS/[1 + loge -1 (nt)] of a logistic curve of population growth, the constant m is (A) Ps × P (B) PS /P (C) (PS - Po)/Po (D) KP
Last Answer : (C) (PS - Po)/Po
Description : Growth of population can be conveniently represented by (A) An arithmetical curve (B) A semi-logarithmic curve (C) A logistic curve (D) A straight line curve
Last Answer : (C) A logistic curve
Description : If the population growth follows a logistic curve, the maximum sustainable yield: (A) is equal to half the carrying capacity. (B) is equal to the carrying capacity. (C) depends on growth rates. (D) depends on the initial population.
Last Answer : (A) is equal to half the carrying capacity.
Description : If the production possibility curve is linear, then production is said to be subject of (a) constant opportunity cost (b) decreasing opportunity cost © Increasing opportunity cost (d) first increasing then decreasing opportunity cost.
Last Answer : (a) constant opportunity cost
Description : Asymptote in a logistic growth curve is obtained when (a) K = N (b) K > N (c) K < N (d) the value of ‘r’ approaches zero
Last Answer : (a) K = N
Description : Asymptote in a logistic growth curve is obtained when : (1) K = N (2) K > N (3) K < N (4) The value of 'r' approaches zero
Last Answer : (1) K = N
Description : When does the growth rate of a population following the logistic model equal zero ? The logistic model is given as dN/dt = rN(1-N/K):
Last Answer : When does the growth rate of a population following the logistic model equal zero ? The logistic ... when death rate is greater than birth rate.
Description : The logistic population growth is expressed by the equation (a) dt / dN = Nr K N K − (b) dN / dt = rN K N K − (c) dN / dt = rN (d) dN / dt = rN N K N −
Last Answer : (b) dN / dt = rN K N K −
Description : When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN(1–N/K) (a) when N/K equals zero (b) when death rate is greater than birth rate (c) when N/K is exactly one (d) when N nears the carrying capacity of the habitat.
Last Answer : (a) when N/K equals zero
Description : The shock absorbing capacity of bolts can be increased by a) Increasing the shank diameter b) Decreasing the length of shank portion of bolt c) Increase the shank diameter and decreasing the length of shank d) None of the listed
Last Answer : d) None of the listed
Description : Pick up the correct statement from the following: (A) If the slope of the curve of a mass diagram in the direction of increasing abscissa is downward, it indicates an embankment (B) The ... and the next forward maximum ordinate represents the whole volume of a cutting (D) All the above
Last Answer : (D) All the above
Description : A volume of air at constant barometric pressure may be brought to dew point by (A) Increasing the temperature (B) Decreasing the temperature (C) Neither (a) nor (b) (D) Both (a) and (b)
Last Answer : Answer: Option B
Description : The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream (A) Keeps on increasing (B) Keeps on decreasing (C) Remain constant (D) May increase/decrease
Last Answer : Answer: Option C
Description : When setting up teeth for complete dentures having bilateral balanced occlusion, separation of posterior teeth during protrusion is done by: A. Increasing the anterior posterior occlusal curve B. Decreasing the angle orientation of the occlusal plane
Last Answer : B. Decreasing the angle orientation of the occlusal plane
Description : A shift outward in supply curve will result in equilibrium price (a) increasing and quantity increasing ; (b) increasing and quantity decreasing ; (c) decreasing and quantity increasing ; (d) decreasing and quantity decreasing
Last Answer : (c) decreasing and quantity increasing ;
Description : TVC curve begins to………with the onset of increasing returns (a) Rise at an increasing rate ; (b) Rise at an decreasing rate; (c) Fall at an Increasing rate ; (d) Stabilize
Last Answer : (b) Rise at an decreasing rate;
Description : TVC curve begins to……….with the onset of diminishing returns (a) Rise at an Increasing rate ; (b) Rise at an decreasing rate; (c) Fall at an Increasing rate ; (d) Stabilize
Last Answer : (a) Rise at an Increasing rate ;
Description : When a firm enters the law of diminishing returns to scale (a) TVC curve begins to fall at an increasing rate (b) TVC curve begins to increase at an increasing rate (c) TVC curve begins to fall at an decreasing rate (d) TVC curve begins to increase at an decreasing rate
Last Answer : (a) TVC curve begins to fall at an increasing rate
Description : The ……………. tool is used in speadsheet that creates a growth series, wherein subseguent values follow an increasing or a decreasing geometric pattern. -Technology
Last Answer : The Source tool is used in spreadsheet that creates a growth series, wherein subsequent values follow an increasing or a decreasing geometric pattern.
Description : The population growth curve is (A) S-shaped curve (B) Parabolic curve (C) Circular curve (D) Straight line
Last Answer : (A) S-shaped curve
Description : Enzymes increases the rate of reactions by (A) Increasing the free energy of activation (B) Decreasing the energy of activation (C) Changing the equilibrium constant of the reaction (D) Increasing the free energy change of the reaction
Last Answer : Answer : B
Description : Enzymes increase the rates of reactions by (A) Increasing the free energy of activation (B) Decreasing the energy of activation (C) Changing the equilibrium constant of the reaction (D) Increasing the free energy change of the reaction
Description : Enzymes accelerate the rate of reactions by (A) Increasing the equilibrium constant of reactions (B) Increasing the energy of activation (C) Decreasing the energy of activation (D) Decreasing the free energy change of the reaction
Last Answer : Answer : C
Description : Keeping other parameters constant brake power of diesel engine can be increased by (a) Decreasing the density of intake air (b) Increasing the temperature of intake air (c) Increasing the pressure of intake air (d) Decreasing the pressure of intake air
Last Answer : Ans : c
Description : A ball tied with a string to a rotating shaft revolves at uniform speed. As the shaft is suddenly brought to rest, the string starts getting round the shaft with the angular velocity of the ball (a) increasing (b) decreasing (c) remaining constant (d) becoming zero
Last Answer : Ans:(a)
Description : During inter conversion of energy from one form to other forms, total energy at any time remains– (1) constant (2) zero (3) increasing (4) decreasing
Last Answer : (1) constant Explanation: During interconversion of energy from one form to other forms, total energy at any time remains constant.
Description : An object covers distance which is directly proportional to the square of the time. Its acceleration is – (1) increasing (2) decreasing (3) zero (4) constant
Last Answer : (4) constant Explanation: When an object covers distance which is directly proportional to the square of the time, its acceleration is constant. This is seen in the cases of falling objects. This connection between time and distance was first observed by Galileo.
Description : Entropy of the universe is - (1) continuously increasing (2) continuously decreasing (3) zero (4) constant
Last Answer : (1) continuously increasing Explanation: In an irreversible process, entropy always increases, so the change in entropy is positive. The total entropy of the universe is continually increasing.
Description : During size reduction by a jaw crusher, the energy consumed decreases with the (A) Decreasing size of product at constant size of feed (B) Decreasing machine capacity (C) Increasing size of feed at constant reduction ratio (D) None of these
Last Answer : (C) Increasing size of feed at constant reduction ratio
Description : If there is no net force acting on body, then its acceleration is A. zero B. constant C. increasing D. decreasing
Last Answer : zero
Description : Until a force acts on a body, it's velocity is A. zero B. constant C. increasing D. decreasing
Last Answer : constant
Description : Total momentum within a closed system is A. increasing B. decreasing C. zero D. constant
Description : An object travelling with constant velocity has A. constant momentum B. zero momentum C. increasing momentum D. decreasing momentum
Last Answer : constant momentum
Description : If the slope of a graph is zero and so the displacement, then velocity is A. increasing B. decreasing C. constant D. zero
Description : Object is in equilibrium if resultant force acting on it is A. increasing B. decreasing C. zero D. becomes constant
Description : Measured quality of a manufactured product is : 1. Always constant 2. Continually decreasing 3. Subject to a certain amount of variation 4. Continually increasing
Last Answer : 3. Subject to a certain amount of variation
Description : Walter’s Model suggests that a firm can always increase the value of the share by: A. Increasing dividend B. Decreasing dividend C. Constant Dividend D. None of the
Last Answer : D. None of the
Description : If we get a straight line with positive slope then its acceleration is A. increasing B. decreasing C. zero D. constant
Description : Over the years the contribution of agriculture to Indian GDP is a. Increasing b. Decreasing c. Constant d. None of these
Last Answer : b. Decreasing
Description : Unsteady uniform flow is represented by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at increasing rate (D) Expanding tube at constant rate
Last Answer : (B) Long pipe at decreasing rate
Description : Steady non-uniform flow is exemplified by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at increasing rate (D) Expanding tube at constant rate
Last Answer : (D) Expanding tube at constant rate
Description : Unsteady non-uniform flow is represented by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at increasing rate (D) Expanding tube at constant rate
Last Answer : (C) Expanding tube at increasing rate
Description : As the time is passing, entropy of the universe (A) Is increasing (B) Is decreasing (C) Remain constant (D) Data insufficient, can't be predicted
Last Answer : (A) Is increasing
Description : An example of unsteady non uniform flow is the flow of liquid under pressure through a (A) Tapering pipe at constant flow rate (B) Tapering pipe at either decreasing or increasing flow rate (C) Long pipeline of constant diameter (D) None of these
Last Answer : (B) Tapering pipe at either decreasing or increasing flow rate
Description : Total output is maximum when (a) MP =0 ; (b) MP is increasing ; (c) MP is decreasing ; (d) MP is constant
Last Answer : (a) MP =0 ;
Description : If the resultant force acting on a body of constant mass is zero, the body's acceleration is: w) increasing x) decreasing y) always zero z) negative.
Last Answer : ANSWER: Y -- ALWAYS ZERO
Description : If the resultant force acting on a body of constant mass is zero, the body's momentum is: w) increasing x) decreasing y) always zero z) constant
Last Answer : ANSWER: Z -- CONSTANT
Description : An object covers distance which is directly proportional to the square of the time. Its accelaration is (1) increasing (2) decreasing (3) zero (4) constant
Description : The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube
Last Answer : (A) Increasing the diameter of the tube