All animal cells are surrounded by a membrane which contains the cytoplasm. Nearly all animal cells contain a nucleus. Plants produce food through photosynthesis. Most of this process takes place in ...
September/2392024/biotechnology-harayana-board-img.jpg" width="1200" height="675" /> BSEH Haryana Board Class 11 Biotechnology Model Paper 2025: The Haryana Board Class 11 Biotechnology Model Paper ...