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Multiple type questions based on crops up tet c tet super tet

                         Multiple Choice Questions 1- All animals are- a-  Parasitic b-  Saprophytic  c-  Autotrophic  d-  Heterotrophic  2-Which is the most important source of food and fodder ?   a- Algae b- Fungi  c- Lichen d- Cereal 3-Application of nitrogenous manure to a plant causes  a- Vigorous vegetative growth b- early flowering c- Early fruiting d- Growth retardation due to toxicity of NHჳ 4-The element which is required in largest quantity by plants is a- Calcium  b- Sulphur c- Phosphorus d- Nitrogen 5-Nodules with nitrogen-fixing bacteria are present in    a- Cotton  b- Wheat  c- Gram d- Mustard 6-Plants can be made disease-resistant by   a- Heat treatment b- Hormone treatment c- Colchicine  treatment d- Breeding with their wild relatives 7-The process of cross breeding two different varieties...