The Drone in honey-bee are

Camel is a desert animal, that can live without water for many days, because

Which of the following is used as raw material for the manufacture of rayon?

The alkaloid naturally found in coffee, cocoa and colanut is

Which is widely used in the plastic industry for manufacturing Bakelite?

Yeast is an important source of

The brand name Teflon represents which polymer?

In chemistry, soap is a salt of a ............