Double Fertilization in Flowering Plants (NEET 2026): Full Process, Tricks & PYQs
Why This Topic is MOST IMPORTANT If NEET asks one guaranteed question from this chapter… ЁЯСЙ It is Double Fertilization ✔ Unique to flowering plants ✔ Direct NCERT line-based questions ✔ Easy marks if concept is clear ЁЯМ▒ What is Pollen–Pistil Interaction? It is the interaction between: ЁЯСЙ Pollen grain and stigma of pistil This step decides: Whether fertilization will happen or not ЁЯФм Structure of Pollen Grain Exine (outer wall) Intine (inner wall) Vegetative cell Generative cell ЁЯСЙ Generative cell forms 2 male gametes ЁЯФ╣ Steps of Pollen–Pistil Interaction 1️⃣ Pollen Landing on Stigma Pollen reaches stigma via pollination 2️⃣ Chemical Recognition (VERY IMPORTANT) Stigma releases chemicals Accepts compatible pollen only ЁЯСЙ Prevents wrong fertilization 3️⃣ Pollen Germination Pollen tube forms through germ pore ЁЯСЙ Tube formed by vegetative cell 4️⃣ Formation of Male Gametes Generative cell divides → 2 male gametes (n) ЁЯСЙ Pollen becomes 3-celled stage 5️⃣ Pollen Tube Growth Path: ЁЯСЙ Stigma →...