What is the property of a liquid due to which its free surface tries to have minimum surface area?

What is the wavelength range of ultraviolet rays?

What is a perfectly black body?

What is the hemihydrate of calcium sulphate commonly known as?

Bell metal is an alloy of which of the following metals?

Which of the following refining methods works on the principle of adsorbtion?

Where is teichoic acid commonly found?

Which of the following provides structural support to the plant?

Dicondylic skull with ten pairs of cranial nerves is found in

Which of the following structures is absent in reptiles?