Useful for all agricultural exams
Soil science
|
Questions |
Answer |
| 1 |
"Equation of Universal soil loss" is ? |
A=RKLSCP |
| 2 |
Which nutrients known as blast elements ? |
Al & Si |
| 3 |
Which group of microorganism (सूक्ष्मजीव) have add highest Biomass in soil ? |
Fungi |
| 4 |
Soil color determination by ?(www.agriexam.com) |
Munsell's chart |
| 5 |
Cation exchange(धनायन विनिमय) is an important component of ? |
Soil fertility |
| 6 |
Positive Bacteria color is ? |
Red |
| 7 |
"Sulfur Institute" situated in ? |
Washington DC(1960) |
| 8 |
First product of Urea if apply in soil ? |
Ammonium carbonate |
| 9 |
Which is best method for application Fe and Zn ? |
Foliar application |
| 10 |
Which is best suitable method for application Ca, B, S, and Mo ? |
Soil application |
| 11 |
Kandic and Arfullic origin found in which order ? |
Alfisol |
| 12 |
Surface color of Alkali soil is ?(www.agriexam.com) |
Black |
| 13 |
BGA use for nitrogen fixation is given by ? (in India) |
Dr P.K. De |
| 14 |
Total rank of weathering (अपक्षय) index is ? |
10 |
| 15 |
Hematite weathering index is ? |
9 |
|
Questions |
Answer |
| 16 |
Zinc deficiency in rice nursery first reported at Pantnagar by ? |
Dr Y.L. Nene (1966) |
| 17 |
Most resistant mineral to weathering is ? |
Quartz |
| 18 |
Least resistant mineral to weathering is ? |
Olivine |
| 19 |
Analysis of soil physical chemical and biological properties is known as ? |
Soil health |
| 20 |
Ploughing and cultivation after crop harvesting is known as ? |
Conventional tillage |
| 21 |
Functional nutrients given by ? |
Nicholas (1961) |
| 22 |
Nutrient mobility given by ? |
Bray |
| 23 |
Remove of Iron (Fe) is called ?(www.agriexam.com) |
Gelization |
| 24 |
Heat flow in soil by which method ? |
Conduction |
| 25 |
Mostly gases exchange by which method ? |
Diffusion |
| 26 |
Study of fresh water is is called ? |
Limnology |
| 27 |
Silicon(Si) used in Which crops ? |
Rice and Sugarcane |
| 28 |
Five type soil factor given by ? |
Jenny (1941) |
| 29 |
Amendment (सुधार) of Alkali soil using by ? |
Gypsum |
| 30 |
Amendment of saline soil using by ?(www.agriexam.com) |
Pyrite |
3 comments:
In qns 26 study of freshwater is called as lymnology plzs check it 1 more tym
Thanks for informing ... thank you very much
According to Arun Katyan book least weathering is in Calcite not in olivine
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