The substances present in soil are divided into how many groups?

এই অধ্যায়ের আরও প্রশ্ন

• C-08-Q004Which is NOT one of the four groups of substances in soil?
• C-08-Q005Minerals present in soil are usually —
• C-08-Q006Which is one of the main minerals in soil?
• C-08-Q007Which element is present only in small amount in soil?
• C-08-Q008Which is NOT a main mineral of soil?
• C-08-Q009The blackish coloured organic substance present in soil is called —
• C-08-Q010Humus is formed from —
• C-08-Q011Which is NOT a component of humus?
• C-08-Q012According to Fig. 8.01, percentage of inorganic substance in soil is —
• C-08-Q013Percentage of water in normal soil composition is —