Science

Properties of paints  Exterior paint is exposed to all types of varying weather conditions. Exterior paint is therefore required to provide protection against UV radiation of the sun as well as fungal growth.  It’s made to combat mildew as well as fading. In addition, they have to be fade resistant as they face … Read more

Although, the remote sensing includes a wide array of technologies and types, but they all are based on certain common concepts with the same basic components. The basic components of remote sensing system are given below: • Target • Energy source • Transmission path, and • Sensor. The target is the object or material being … Read more

1. Endeavour to achieve an appropriate level of protection of human life and health and the protection of consumer’s interests, including fair practices in all kinds of food trade with reference to food safety standards and practices; 2. Carry out risk management which shall include taking into account the results of risk assessment and other … Read more

Defence Research and Development Organisation (DRDO) has successfully demonstrated the hypersonic air-breathing scramjet technology with the flight test of Hypersonic Technology Demonstration Vehicle (HSTDV) at 1103 hours from Dr APJ Abdul Kalam Launch Complex at Wheeler Island, off the coast of Odisha. With this successful demonstration, many critical technologies such as aerodynamic configuration for hypersonic … Read more

parasitic nutrition In this type of nutrition, the organisms (called parasites) depend on the body of other living organisms (called their host) for getting their food. Many viruses, bacteria, fungi and animals have this mode of nutrition. The organisms which depend on other living organisms (host) for food are called as parasites. Parasites of two … Read more

Reflex action is an immediate involuntary response to a stimulus. In an involuntary response, a sensory impulse on reaching central nervous system is itself returned to a specific effector as a motor impulse without neuronal analysis and integration. Reflex responses occur below the level of consciousness. Reflex actions are sudden and autonomic. For instance, if … Read more

Pradhan Mantri Bhartiya Janaushadhi Priyojana (PMBJP) objective is to make quality medicines available at affordable prices for all, particularly the poor and disadvantaged, through exclusive outlets “Pradhan Mantri Bhartiya Janaushadhi Kendras”, so as to reduce out of pocket expenses in healthcare. In addition to medicines and surgical items supplied by BPPI, Jan Aushadhi stores also … Read more

Application of radioactivity: • Health: 1. Found extensive use in diagnosis and therapy eg. Phosphorous-32 is used to identify the cancerous cell. As cancer cell absorb more phosphorous, Iodine 131 is employ to determine cardiac output, plasma volume and fat metabolism and particularly to measure the activity of thyroid gland. 2. To treat cancer cells: … Read more

 Alternatives to pesticides are available and include methods of cultivation, use of biological pest controls (such as pheromones and microbial pesticides), genetic engineering and methods of interfering with insect breeding.  Application of composted yard waste has also been used as a way of controlling pests. These methods are becoming increasingly popular and are … Read more

Students are working on several solutions to the challenges being faced by the country. Along with providing solutions to the problems, it also strengthens India’s aspirations regarding Data, Digitization and Hi-tech Future. Acknowledging that in the fast paced 21st century, India needs to swiftly change itself to continue playing an effective role Such events will … Read more