Q. Consider the following statements:
1.Neustons are attached organisms which live at the air water interface such as floating plants.
2.Nektons contain animals which are not a swimmers.
Which of the statements given above is/are correct?
Answer: D
Notes:
Explanation: Neuston: These are unattached organisms which live at the air-water interface such as floating plants, etc.
Nekton: This group contains animals which are swimmers.
Source: Shankar IAS

