The botanical name of bajra (pearl millet) is: ((MCAER 2014))

✅Explanation: Crumbly soil structure is characterized by small, porous aggregates that resemble crumbs. This structure has the highest amount of pore space, which is essential for good aeration, water infiltration, and root growth.

📌 Other Options Explanations:
-Option B: Blocky soil structure has angular, block-shaped aggregates with moderate pore space.
-Option C: Platy soil structure has thin, plate-like aggregates with limited pore space.
-Option D: Single-grained soil structure consists of individual grains with minimal pore space.