Which one of the following statements is not correct?                                   [NEET – II, 2016]

Which one of the following statements is not correct?                                   [NEET – II, 2016]

Option 1 : Microscopic, motile asexual reproductive structures are called zoospores.
Option 2 : In potato, banana and ginger, the plantlets arise from the internodes present in then modified stem
Option 3 : Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.
Option 4 : Offspring produced by the asexual reproduction are called clone