Exchange of calcium between bone and extracellular fluid takes place under the influence of certain hormones:
What will happen if more of `Ca^++` is in extracellular fluid?

Exchange of calcium between bone and extracellular fluid takes place under the influence of certain hormones: What will happen if very less amount of Ca^++ is in the extracellular fluid?

Two polaroids are placed at 90^@ to each other and the transmitted intensity is zero .What happens,when one more polaroid is placed betwen these two,bisectiing the angle between them.How will the intensity of transmitted light vary on further rotatint the third polaroid?

Two polarised are placed at 90^@ to each other and the intensity of transmitted light is zero. What will be the intensity of transmitted light, when one or more polaroids is placed between these two bisecting the angle between them? Take intensity of unpolarised light as I_0 ?

What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride? State the physical conditions of reactants in which the reaction between them will not take place. Write the balanced chemical equation for the reaction and name the type of reaction.

A women has conceived and implanatation has occurred. Discuss the sequence of changes up to parturition which will take place with in her body under the influence of hormones.

Two polaroids are placed at 90^@ to each other.What happens,when(N-1) more polaroids are inserted between them?Their axis are equally spaced.How does the trnsitted intensity behave ffor large N?