question_answer 56)

  Fill in the blanks. (a) A total of......... nutrients are essential to plants. (b) ......... and ......... are supplied by air to plants. (c) ......... is supplied by water to plants. (d) Soil supply ......... nutrients to plants. (f) ......... nutrients are required in large quantity and called as ......... . ......... nutrients are needed in small quantity for plants and are called

Answer:

  (a) 16                                     (b) Carbon and Oxygen      (c) Hydrogen                                 (d) essential              (e) 6, macronutrients    (f) 7, Micronutrients