An organism used as a biofertilizer for raising soybean crop is
Azospirillum
Rhizobium
Nostoc
Nostoc
B.
Rhizobium
Rhizobium leguminosarum is a symbiotic bacteria found in root nodules of legume. This bacterium has nitrogen fix nif gene and fixing N2, Soybean is a legume. Thus, Rhizobium is used as a biofertilizer for raising soybean crop.
Consider the following statements ( I - IV) about organic farming.
I. Utilises genetically modified crops like Bt cotton
II. Uses only naturally produced inputs like compost.
III. Does not use pesticides and urea
IV. Produces vegetables rich in vitamins and minerals.
(II), (III) and (IV)
(III) and (IV) only
(II) and (III) only
(II) and (III) only
'Jaya' and 'Ratna' developed for green revolution in India are the varieties of
rice
wheat
Which of the following enhances or induces fusion of protoplasts?
Sodium chloride and potassium chloride
Polyethylene glycol and sodium nitrate
IAA and kinetin
IAA and kinetin
'Himgiri' developed by hybridization and selection for disease resistance against rust pathogens is a variety of
Maize
sugarcane
wheat
wheat
