| List I (Name of Author) |
List II (Name of Book) |
| (A) Rachel Carson |
(I) Elements of Agricultural Chemistry |
| (B) Humphry Davy |
(II) Natures of Plant |
| (C) Theophrastus |
(III) Soil Genesis and Classification |
| (D) S. Buol |
(IV) Silent Spring |
• Rachel Carson is the author of Silent Spring (IV), a pivotal environmental science book.
• Humphry Davy authored Elements of Agricultural Chemistry (I), a foundational work in soil and plant chemistry.
• Theophrastus is known for Natures of Plant (II), contributing to early botanical science.
• S. Buol contributed to Soil Genesis and Classification (III).
Hence, correct matching is: A–IV, B–I, C–II, D–III.
English
20 Questions
80 Marks
24 Mins English English75 Questions300 Marks90 Mins English English30 Questions30 Marks27 Mins English| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
| Set A |
Set B |
| [i] Robinson |
[a] Pipette method |
| [ii] Yoder |
[b] Wet sieving |
| [iii] Munsell |
[c] Colour chart |
| [iv] Atterberg |
[d] Consistency limits |
The most widely used vegetation index is
Which one of the following is the active factor of soil formation?
The highest category of soil classification system is
The essentiality of Molybdenum was discovered by
Resource Conservation Technologies include: A) Zero or Minimum Tillage B) Direct Seeding C) Bed planting with residue mulch
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