Term plankton was coined by:

Correct option is B

Correct Answer: (b) Victor Hensen
Explanation:
→ The term “plankton” was introduced by Victor Hensen, a German zoologist, in the late 19th century to describe organisms that drift in water and cannot swim effectively against currents.
Information Booster:
→ Hensen’s work laid the foundation for quantitative plankton studies and the concept of planktonic communities important for fisheries and oceanography.
Additional Information (Other Options):
(a) Misspelling; (c) François-Alphonse Forel worked on limnology; (d) G. Evelyn Hutchinson contributed to ecology but did not coin “plankton”.