suggest any 5 best investigatory project for class 11 biology. please suggest that one on which i can do investigation.
Answers
1. Vermicomposting
Vermicomposting is the biological method used in transferring organic waste into a nutrient-rich fertilizer. In this process, the organic materials are decomposed by the earthworms and other microbes in the presence of water, temperature, PH and the oxygen. Vermicomposting acts as a natural fertilizer for gardening and for farming.
2. Blood Groups
In ABO blood groups system, there are four blood groups. The A, B, AB and O blood groups are distinguished by the presence of antigens and antibodies on the surface of the red blood cells. Among the ABO blood groups system O blood group is considered as the universal donor and AB blood group as the universal recipient. Our blood group is determined by the genes which are inherited from our parents.
3. Blood Pressure
Blood is the fluid connective tissue, which is carried to all parts of our body from the heart through the blood vessels called arteries. The blood pressure is the force of blood acting against the arteries. Blood pressure reading is being given by the systolic pressure and the diastolic pressure.