In early days what was used for dying of clothes?

What is sewage used for?

In early days how people used to go from one place to another?

If water contains dissolved calcium hydrogencarbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes?

In early foetal stage liver forms -

Name the plant whose fibres are used to make cotton clothes?

Which of the following had the feeling of worship and used to bury clothes with dead bodies?

Gibberellic acid has been successfully employed to induce flowering (a) In short day plants under long day conditions (b) In long day plants under short day conditions (c) In some short day and long day plants (d) In neither short day nor long day plants

What is the use of Kjeldahl process?

What is the use of a cyclotron?

What can be used to remove iodine stain from clothes and why?