216: With reference to the guilds (Shreni) of ancient India that played a very important role in the country's economy, which of the following statements is /are correct?
1. Every guild was registered with the central authority of the State and the king was the chief administrative authority on them.
2. The wages, rules of work, standards and prices were fixed by the guild.
3. The guild had judicial powers over its own members.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
217: The first factory Act restricting the working hours of women and children, and authorizing local governments to make necessary rules was adopted during whose time?
(a) lord Lytton
(b) Lord Ripon
(c) Lord Bentinck
(d) Lord Canning
218: Why is it easier to cook in a pressure cooker?
(a) High pressure creates turbulence
(b) More steam is formed inside the cooker
(c) Boiling point of water is raised
(d) Boiling point of water is lowered
219: Diffusion of light in the atmosphere takes place due to
(a) Carbon dioxide
(b) Dust particles
(c) Helium
(d) Water vapours
220: When one gene controls two or more different characters simultaneously, the phenomenon is called
(a) Apomixis
(b) Pleiotropy
(c) Polyploidy
(d) Polyteny