Mineral Nutriti...

Which of the following ions are obtained by a plant from the soil to make chlorophyll and NAD, respectively?

Which of the following minerals are required by cells to catalyse the reactions involving evolution of O₂, transfer of electrons to PSII and biosynthesis of auxins, respectively?

Which of the following reactions is catalysed by Nitrobacter in nitrogen cycle?

Which of the following organisms is a symbiotic N₂ fixer associated with non-leguminous angiospermic plants?

Mohan noticed marginal and interveinal chlorosis of leaves in a crop grown on a particular field. The soil had adequate levels of Ca, Fe and Mg, all the elements whose deficiency can lead to chlorosis. The problem with the soil could be

The rapid uptake of ions into the apoplast takes place by all methods, except

During root nodule formation, modification of bacteria into rod-shaped bacteroides takes place in

Which of the following statements about hydroponics is false?

Which of the following is the criterion of tagging any mineral ion as toxic?

Which of the following pairs is incorrect?