Science

a) Pyramid of Number: This represents the number of organisms at each trophic level. For example, in grassland the number of grasses is more than the number of herbivores that feed on them and the number of herbivores is more than the number of carnivores. In some instances, the pyramid of number may be inverted, i.e … Read more

BIOFIN is a global partnership seeking to address the biodiversity finance challenge in a comprehensive manner – building a sound business case for increased investment in the management of ecosystems and biodiversity. The goals of BIOFIN include the following: Develop and pilot a new approach and methodology to fill the financing gap for biodiversity; Support … Read more

The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells. An average adult has 5 to 6 quarts … Read more

Space technology is not just about space exploration but it has huge role to play in socio-economic field. Socio-Economic development through application of space technology: Survey of various mineral and natural resources have been made possible through remote sensing. Management of these resources, their development conservation and formulation of various policies are affectively done with … Read more

Biofertilisersare organisms that enrich the nutrient quality of the soil. The main sources of biofertilisers are bacteria, fungi and cyanobacteria. Rhizobium bacteria is found in symbiotic assosiation the root nodules of leguminousplants. These bacteria fix atmospheric nitrogen into organic forms, which is used bythe plant as nutrient.Azotobacter and Azospirillum also fix atmospheric nitrogen, but these … Read more

In financial terminology hybrid annuity means that payment is made in a fixed amount for a considerable period and then in a variable amount in the remaining period. This hybrid type of payment method is attached under the HAM. In India, the new HAM is a mix of BOT Annuity and EPC models. As per … Read more

  Implantations of nanotransmitters and nanosensors within individuals have opened gates for monitoring and treating them at the microscopic level with the use of nanodevices. But this crosses traditional bounderies of care in the hospitals as persons can get the treatment done while siting in their homes . Pateients at home could have access to … Read more

The principle used in the pressure cooker is that the boiling point of water increases with an increase in pressure. Hence option (a) is the correct answer. Pressure cooker has a confined space sealed from all side (except valve which is used to release excess pressure). When heat is supplied to the cooker it first … Read more

INS Viraat is the longest serving warship in the world. It hold the Guinness Books of record  INS Viraat was first commissioned into the British Royal Navy as the HMS Hermes on November 18, 1959, 15 years after she was laid down in June, 1944.  She served as the flagship of the Royal Navy’s task … Read more