Given figure represents the different zones of a lake or a pond.

Identify the labelled parts `X,Y` and `Z` and select the correct statement.

Options

A. `X` constitutes the shallow water banks and is called as littoral zone
B. `Y` constitutes the open water zone upto which light can penetrate and is called as profundal zone.
C. `Z` constitutes the deep water zone where light cannot pentrate and is called as limnetic zone.
D. All of these

Answer

A

Explanation

`X-` Littoral zone. It ia a shallow coastal zone. Light is available upto bottom in this zone. `Y-` photic zone of limnetic zone. Limnetic zone is open water zone upto the depth to which light can penetrate. Z-Profundal zone. It is deep water zonewhere the light does not penetrate.