What Enzyme Means
Enzymes are constructed from amino acid strings that are chemically bound to each other. These bonds give a unique structure... View Article
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The Distance Travelled By A Motorcar In T Sec After The Brakes Are Applied Is S Feet Where S 22t 12t 2
1) 10.08 ft 2) 10 ft 3) 11 ft 4) 11.5 ft Solution: (1) 10.08 ft s = 22t –... View Article
A Particle Moves Along A Straight Line According To The Law S 16 2t 3t 3 Where S Metres Is The Distance Of The Particle From A Fixed Point At The End Of T Sec
1) 36 m/s2 2) 34 m/s2 3) 36 m 4) None of these Solution: (1) 36 m / s2 s... View Article
If The Distance S Covered By A Particle In Time T Is Proportional To The Cube Root Of Its Velocity Then The Acceleration Is
1) a constant 2) proportional to s3 3) proportional to 1/s3 4) proportional to s5 5) proportional to 1/s5 Solution:... View Article
Ob And Oc Are Two Roads Enclosing An Angle Of 120 Degrees X And Y Start From O At The Same Time
1) √37 km/h 2) 37 km/h 3) 13 km/h 4) √13 km/h Solution: (1) √37 km / h The speed... View Article
A Point On The Parabola Y 2 18x At Which The Ordinate Increases At Twice The Rate Of The Abscissa Is
1) (2, 4) 2) (2, -4) 3) (-9/8, 9/2) 4) (9/8, 9/2) Solution: (4) (9 / 8, 9 / 2)... View Article
The Radius Of A Cylinder Is Increasing At The Rate Of 3 M S And Its Altitude Is Decreasing At The Rate Of 4 M S The Rate Of Change Of Volume When Radius Is 4 M And Altitude Is 6 M Is
1) 80 π cu m/s 2) 144 π cu m/s 3) 80 cu m/s 4) 64 cu m/s Solution: (1)... View Article
If A Particle Moves Along A Straight Line With The Law Of Motion Given By S 2 At 2 2bt C Then The Acceleration Varies Are
1) 1/s3 2) 1/s 3) 1/s4 4) 1/s2 Solution: (1) 1 / s3 s2 = at2 + 2bt + c... View Article
A Man Of 2 M Height Walks At A Uniform Speed Of 6 Km H Away From A Lamp Post Of 6 M Height The Rate At Which The Length Of His Shadow Increase Is
1) 2 km/h 2) 1 km/h 3) 3 km/h 4) 6 km/h Solution: (3) 3 km / h Let the... View Article
A Spherical Iron Ball Of Radius 10 Cm Coated With A Layer Of Ice Of Uniform Thickness Melts At A Rate Of 100 Pi Cubic Cm Min The Rate At Which The Thickness Layer Decreases When The Thickness Of Ice Is 5 Cm Is
1) 1 cm/min 2) 2 cm/min 3) 1/376 cm/min 4) 5 cm/min 5) 3 cm/min Solution: (1) 1 cm /... View Article
If Gas Is Being Pumped Into A Spherical Balloon At The Rate Of 30 Cubic Feet Min Then The Rate At Which The Radius Increases When It Reaches The Value 15 Ft Is
1) 1/15π ft/min 2) 1/30π ft/min 3) 1/20 ft/min 4) 1/25 ft/min Solution: (2) (1 / 30π) ft / min... View Article
A Spherical Balloon Is Expanding If The Radius Is Increasing At The Rate Of 2 Cm Min Then The Rate At Which The Volume Increases In Cm 3 Min When The Radius Is 5 Cm Is
1) 10 π 2) 100 π 3) 200 π 4) 50 π Solution: (3) 200π dr / dt = 2cm... View Article
If There Is 2 Percent Error In Measuring The Radius Of Sphere Then Will Be The Percentage Error In The Surface Area
1) 3% 2) 1% 3) 4% 4) 2% Solution: (3) 4% SA = 4πr2 (Δr / r) = 2 /... View Article
The Distance Covered By A Particle In T Sec Is Given By X 3 8t 4t 2 After 1s Its Velocity Will Be
1) 0 unit 2) 3 units 3) 4 units 4) 7 units Solution: (1) 0 unit x = 3 +... View Article
A Particle Is Moving In A Straight Line At Time T The Distance Between The Particle From Its Starting Point Is Given By X T 6t 2 T 3 Its Acceleration Will Be Zero At
1) t = 1 unit time 2) t = 2 units time 3) t = 3 units time 4) t... View Article
If The Diagonal Of A Square Is Changing At The Rate Of 0 5 Cm S Then The Rate Of Change Of Area When The Area Is 400 Cm 2 Is
1) 20√2 cm2 / s 2) 10 √2 cm2 / s 3) [1 / 10 √2] cm2 / s 4)... View Article
A Stone Is Thrown Vertically Upwards From The Top Of A Tower 64 M High According To The Law S 48t 16t 2 The Greatest Height Attained By The Stone Ground Is
1) 36 m 2) 32 m 3) 100 m 4) 64 m Solution: (1) 36m s = 48t – 16t2... View Article
The Equation Of Motion Of A Particle Moving Along A Straight Line Is S 2t 3 9t 2 12 T Where The Units Of S And T Are Cm And S The Acceleration Of The Particle Will Be Zero After
1) 3/2 s 2) 2/3 s 3) 1/2 s 4) 1 s Solution: (1) 3 / 2 seconds s =... View Article
If The Error Committed In Measuring The Radius Of The Circle Is 0 01 Percent Then The Corresponding Error In Calculating The Area Is
1) 0.05% 2) 0.02% 3) 0.25% 4) 0.1% 5) 0.2% Solution: (2) 0.02% (Δr / r) * 100 = 0.01%... View Article
An Edge Of A Variable Cube Is Increasing At The Rate Of 10 Cm S How Fast The Volume Of The Cube Will Increase When The Edge Is 5 Cm Long
1) 750 cm3 / s 2) 75 cm3 / s 3) 150 cm3 / s 4) 25 cm3 / s... View Article
