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 ———.
Answer:
Soil, water and air supply nutrients to plants. A total of sixteen nutrients are essential to plants out which Oxygen and Carbon are supplied through air, water supplies hydrogen, and the rest thirteen are supplied by soil. The nutrients supplied by soil are categorised into Macronutrients and Micronutrients based on the quantity requirements of these nutrients by plants. A total of six nutrients are required in large quantities (Macronutrients) which are nitrogen, phosphorous, potassium, calcium, magnesium and sulphur. The rest(seven) are micronutrients required in small quantities. They are iron, magnesium, boron, zinc, copper, molybdenum and chlorine
a) A total of sixteen nutrients are essential to plants.
b) Carbon and Oxygen are supplied by air to plants.
c) Hydrogen is supplied by water to plants.
d) Soil supply thirteen nutrients to plants.
e) Six nutrients are required in large quantity and called as Macronutrients.
f) Seven nutrients are needed in small quantity for plants and are called Micronutrients.