Ask a Teacher

Search

CBSE->Plus 1 Biology Science Questions

Total Questions 411
what is a&b in vander waal's equation?
what is polar molecules and non polar molecules and momentary dipole?
Structure of leaf and plant.DIAGRAM of astivation.
What are phonons?
please tell about the alimentary canal of an earth worm
A laser beamed towards moon from earth takes 2.56s to return.How much is the radius of lunar orbit?
A runner runs 1001m in 10s, then turns aroud and jogs 502m back towards starting point in 30s.Find the average velocity and average speed?
The angle of elevation of tree at a place 90m away is 15 degree.What is the height of tree?
A car moves at a constant speed of 60 km/hr for 1km and at 40km/hr for next 1km.What is the average speed and average velocity?
A body moving with uniform acceleration covers 24m in fourth second and 36m in sixth second.Calculate its acceleration and inital velocity?
A stone is dropped from the top of a building 200m high at the same time another stone is vertically projected with velocity 500m/s.Find when and where the 2 stones meet?
how is the roots of monocotyledonous plants?explain
Using Lewis symbols a)How can predict their group and period b)How we identify which are likely to form ions and how we can predict the charge of ion
what is meant by electro energy
what is the real value of py
What is meant by lattice enthalpy?
how do air craft accelerate in space i know that acceleration given from earth result in its motion through space but how it accelerates through space
Calculate the weight of sodium sulphate required to prepare 1 kg of 0.2 moles of aqueous soln?
Calculate the weight of sugar that must be dissolved in 400 dcm3 of water to prepare 0.05 molar solution.?
1.2 gm of sample chalk ( CaCO3 ) containing clay as impurity was treated with excess of dil HCl. The volume of CO2 liberated at STP was 230 ml. Calculate the percentage of impurity of the sample.