How do pearls form? Various forms of Pearls Pearls are formed inside the shell of live pearl oyster (e.g. Pinctada). They come Read more
Mineral Nutrition | PPT PDF slides | Class 11/Plus 1/CBSE BOTANY PowerPoint Presentation MINERAL NUTRITION - PPT PDF 👉 Part 1: Hyroponics, Essential Mineral elements 👉 Part 2: Essential Mineral elements - 2 👉 Part 3: Mechanism of absorption, Metabolism of Nitrogen
