What is barometer ?

What is the barometric height of a liquid of density 3.4 g cm^(-3) at a place, where that for mercury barometer is 70 cm?

What is momentum ? What are its SI and CGS unit ?

What are chromosomes? OR What is chromosome?

What is a phasor ?What is phasor diagram?

What are antennae molecules? What is their role?

What is Avagadro number ? What is a mole ?

What is cyclotron ? What are the limitations of cyclotron?

What is a process? What are different types of processes?

What is a meristematic tissue? What are its characteristics?

What is Permanent Tissue? What are its types?