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Exclusive !full! — Ssc Biology Chapter 2 Hand Note

✅ In exams, draw a simple labeled diagram of a plant cell or animal cell – it carries marks even if explanation is short.

| Feature | Plant Cell | Animal Cell | | :--- | :--- | :--- | | | Present (made of cellulose). | Absent. | | Plastids | Present (Chloroplast, Chromoplast, Leucoplast). | Absent. | | Vacuole | Large, permanent central vacuole. | Small, temporary, and numerous. | | Centrosome | Absent (in higher plants). | Present. | | Shape | Fixed, rectangular/hexagonal shape. | Irregular shape due to lack of wall. | | Starch | Stores starch. | Stores glycogen. | ssc biology chapter 2 hand note exclusive

The jelly-like part excluding the nucleus. It’s where most metabolic activities happen. 2. Organelles to Memorize Mitochondria: Powerhouse . Focus on the . Essential for ATP production. Found only in plants. Chloroplasts (green) are for food, Chromoplasts (colored) for attracting pollinators, and Leucoplasts (colorless) for storage. Ribosomes: The protein factories. Golgi Body: The "Packaging Center" of the cell. 3. The Nucleus: The Brain Don't forget the four parts: ✅ In exams, draw a simple labeled diagram