Topic 1: TYPES OF EXCRETION Q 1: The elimination of metabolic wastes like ammonia, urea, uric acid etc. from the tissues is called ✅ Excretion View Answer Q 2: Process of excretion of NH3 is …
Topic 1: BLOOD Q 1: For circulation, simple organisms such as sponges, coelenterates etc. use ………………. ✅ Water View Answer Q 2: Percentage of plasma in blood is about ✅ 55% View Answer …
👉 View PDF Chapter 10: WORK AND ENERGY WORK NOT MUCH ‘WORK’ IN SPITE OF WORKING HARD! - In science, work is done only when a force causes displacement. Other activities do not inv…
