If only one irrigation is available for wheat, it should be provided at:

Environmental Protection Act was enacted in the year

Deficiency of Vitamin A causes

The formula for Ethane is

The building units of oligosaccharides and polysaccharides are

The spectral bands used in Greenness Vegetation Index are (A) Red (B) Blue (C) Green (D) NIR (E) MIR
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The consumption of water containing high levels of nitrate–N can lead to

The WHO standard of drinking water for nitrate is

Emissivity of a black body is

The common table sugar is