A and B horizon is called as_________?
A and B horizon is called as_________?
A. Regolith
B. Solam
C. Inner core
D. None of the above
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The chemical formula of Hematite is_____________________?
The chemical formula of Hematite is_____________________?A. AL (OH)2
B. Fe2O3
C. Fe OOH
D. None of the aboveWorld biodiversity day is celebrated on:_________?
World biodiversity day is celebrated on:_________?A. Mar-21
B. March-2
C. Apr-22
D. May-22International Day for Biological Diversity – 22 May The United Nations has proclaimed May 22 The International Day for Biological Diversity (IDB) to increase understanding and awareness of biodiversity issues.
The lands which are rich in soluble salts and exchangeable sodium:
The lands which are rich in soluble salts and exchangeable sodium:A. Saline soil
B. Saline-Alkaline
C. Alkaline
D. None of the aboveKaolinite can be identified by______________________?
Kaolinite can be identified by______________________?A. Spectrophotometer
B. Boiling
C. X-ray diffraction
D. BreakingOxygen and Silicon together comprise approximately ______ %of the earth crust?
Oxygen and Silicon together comprise approximately ______ %of the earth crust?A. 64 %
B. 79 %
C. 75 %
D. 73 %Systematic examination of soil in the field and laboratories, their description and grouping according to classification system:
Systematic examination of soil in the field and laboratories, their description and groug according to classification system:A. Reconnaissance survey
B. Detailed soil survey
C. Soel survay
D. The answer of statement is not in options