[" 3.What had been put up on the "],[" bulletin-board? "]

Collect information on changes taking place in food during the process of digestion. [From the school library / internet and display your observations on the bulletin board].

Paheli and her friends were decorating the class bulletin board. She dropped the box of stainless steel pins by mistake. She tried to collect the pins using a magnet. She could not succeed. What could be the reason for this?

Collect mformatton on sebum and prepare a news bulletin, display it on bulletin board.

Identify the segment in the sentence. Which contains the grammatical error. The list of candidates to be called for the interview were put up on the board.