Eukaryotic cells are much more complex as compared to prokaryotes. Which one of the following structures is exclusively present in a eukaryotic cell?

An important cause of tooth decay by the bacterium Streptococcus mutans is because of their ability to attach to teeth surface by producing slime layer from

In angiosperms, pollen grain germinates to produce two male gametes. Which one of the following functions is carried out by these gametes?

In a sexually reproducing organism, which one of the following statements is appropriate both for the parent and offspring?