In a lake, phytoplankton grow abundant in
Littoral zone
Limnetic zone
Profundal zone
Benthic region
Choose the incorrect sentences from below.
Generally the food chain has how many trophic levels
The zooplanktonic forms are
In a food chain, lion is a
Which of the following are the essential sources for releasing in the atmosphere?
$I.$ Burning of wood
$II.$ Volcanic activity
$III.$ Combustion of organic matter
$IV.$ Fossil fuels
Choose the correct option