Which one of the following microbes causes acidification and curdling of milk?

Who among the following shared the Nobel Prize in 1962 along with Francis Crick and James Watson for their discoveries concerning the molecular structure of nucleic acids?

Tendons through which muscles are connected to bones are tightly compacted bundles of which one of the following long fibrous protein?

Which one of the following is the scientific name of the causal organism of elephantiasis?