Question 31
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.
(e) ___ nutrients are required in large quantity and called as ___.
(f) ___ nutrients are needed in small quantity for plants and are called ___.
(a) 17
(b) Carbon and Oxygen
(c) Hydrogen
(d) 13
(e) Nine, macronutrients
(f) Eight, micronutrients