The food substances which get oxidised easily can be kept for longer duration by adding

Which is the most important organ of the plant in terms of life cycle?

In those alcohol tragedies that result in blindness etc., the harm factor is-

Which of the following non-metals are in liquid state at room temperature?

What is the name of the dog that first went into space? 

In the following that is not related to gases low.

Which acid is also known as the king of the acids?

The joint of radius-ulna with upper arm is-