✅ (d) 9: • Alkaline soils have a pH > 8.5, often ranging up to 9.5 or higher. • High pH is due to excessive sodium carbonate/bicarbonate content. • Common in sodic or alkali soils that reduce nutrient availability and affect crop growth.
❌ (a) 6: • Acidic soil pH.
❌ (b) 7: • Neutral pH.
❌ (c) 8: • Slightly alkaline, but not representative of strongly alkaline soils.
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45 Mins English English100 Questions100 Marks120 Mins English English100 Questions100 Marks120 Mins EnglishThe WHO standard of drinking water for nitrate is
Emissivity of a black body is
Environmental Protection Act was enacted in the year
The spectral bands used in Greenness Vegetation Index are (A) Red (B) Blue (C) Green (D) NIR (E) MIR
Choose the correct answer from the options given below:
The formula for Ethane is
Deficiency of Vitamin A causes
The building units of oligosaccharides and polysaccharides are
The consumption of water containing high levels of nitrate–N can lead to
The common table sugar is
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