Nearest and richest source of raw material for plants is :
Water
Soil
CO2
Air
Plants are in direct contact to the soil and through roots they absorb all the important substances required to them.
For plants, ___ is the nearest and richest source of raw materials like nitrogen, phosphorus and other minerals.
Question 15 Sunlight, chlorophyll, carbon dioxide, water and minerals are raw materials essential for photosynthesis. Do you know where they are available? Fill in the blanks with the appropriate raw materials.
(a) Available in the plant : ___
(b) Available in the soil : ___, ___
(c) Available in the air : ___
(d) Available during day :___
Identify the correct statements related to soil
A. Soil acts as a matrix and stabilizes the plant
B. Soil is the source for both inorganic and organic solutes
C. Soil holds water and supplies air to the roots
D. Soil acts as a reservoir of gasses