The macronutrient which is an essential component of all organic compounds
The macronutrient which is an essential component of all organic compounds, yet not obtained by plants from soil is Options…
7 years ago
Transport and Nutrition in Plants
Water lost by transpiration is
Water lost by transpiration is Options (a) rich in dissolved minerals (b) rich in solutes (c) pure water (d) rich…
7 years ago
Due to nitrogenous deficiency chlorosis occur in
Due to nitrogenous deficiency chlorosis occur in Options (a) younger leaves (b) first younger than older (c) older leaves (d)…
7 years ago
Plants require which one of the following for the formation of ATP
Plants require which one of the following for the formation of ATP Options (a) N, Ca (b) N, P (c)…
7 years ago
Which cells on grass leaves help in minimizing cuticular transpiration?
Which cells on grass leaves help in minimizing cuticular transpiration? Options (a) guard cells (b) bulliform cells (c) subsidiary cells…
7 years ago
Osmosis is a type of
Osmosis is a type of Options (a) imbibition of solution (b) diffusion of solvent (c) evaporation of water (d) diffusion…
7 years ago
When a potato piece is kept in a concentrated salt solution then
When a potato piece is kept in a concentrated salt solution then Options (a) potato is plasmolysed (b) potato cells…
7 years ago
Which pigment is essential for nitrogen fixation by leguminous plants
Which pigment is essential for nitrogen fixation by leguminous plants Options (a) anthocyanin (b) phycoerythrin (c) phycocyanin (d) leghaemoglobin Correct…
7 years ago
The cohesive force existing between molecules of water is contributing to
The cohesive force existing between molecules of water is contributing to Options (a) plasmolysis (b) translocation (c) ascent of sap…
7 years ago
Nitrates are converted into nitrogen by
Nitrates are converted into nitrogen by Options (a) denitrifying bacteria (b) carbon fixing bacteria (c) nitrogen fixing bacteria (d) phosphorus…
7 years ago