Taiga refers to
Temperate deciduous forest
Subtropical semi-deciduous forest
Evergreen forest
North temperate coniferous forest
In India, rain forests are found in
Phosphorus is the major constituent of
$I.$ biological membranes
$II. $ nucleic acids
$III.$ cellular energy
Choose the correct option
Root cap is absent in
Carbon is available to crop plants in the form of
Term 'ecosystem' was given by