Study and selection, planting, care and removal of individual trees, shrubs, vines and other perennial woody plants in lawns and other plants is known as:

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
Choose the correct answer from the options given below:

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

Environmental Protection Act was enacted in the year