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CBSE->Plus 1 Biology Science Questions

Total Questions 411
LAW OF CONSERVATION OF MASS,LAW OF DEFINITE PROPORTION, ILLUSTRATE EXAMPLE
DIFFERENCE BETWEEN ADJECTIVE AND NOUNS
MLT formulas
HOW to apply MLT dimension formula applying in questions?
An experiment for Plasmolysis
An experiment for plasmolysis
Phycomycetes
Occurrence of phycomycetes
Occurrence of phycomycetes
JGA
derive the equation for magnitude and direction.
Rain is falling in vertical direction with a speed of 30m/s.A woman is riding a cycle with a speed of 10m/s in east to west direction .In which direction should she hold her umbrella?
why is rhoeo leaf used in study of plasmolysis?
Why is potato tuber used in osmometer?
1)A comet orbits the sun in a highly elliptical orbit.Does the comet have a constant? a)linear spped b)angular speed c)angular momentum d)kinetic energy e)potential energy f)total energy throughout its orbit.Neglect any mass loss of the comet,when it comes very close to the sun?
1) Why machine parts are jammed in winter? 2)A horse has to apply more force to start a cart than to keep it moving.Why? 3)A rat and a horse are to be projected from the earth into space .State whether the velocity is the same or different in projecting each animal.Explain?
1) what is the difference between (delta)rH and (delta)rH-? 2)N2 + 3H2 <----> 2NH3. What are the conditions for maximum yield of NH3?
which term of the sequence 18,-12,8,.........,is 512/729
2 uniform spheres of equal radii R ,but mass M and 4M have a center to center separation 6R.the 2 spheres are held fixed .A projectile of mass m is projected from the surface of sphere of mass M directly towards the center of the second one .Obtain an expression for the minimum speed v of the projectile so that it reaches the surface of second one.
Which are the synonymns for sinister ?