WBPSC Prelims and Mains Notes-WBPSC Test Series
Different types of biofertilizers Rhizobium Rhizobium is a soil habitat bacterium, which can able to colonize the legume roots and fixes the atmospheric nitrogen symbiotically. The morphology and physiology of Rhizobium will vary from free-living condition to the bacteroid of nodules. They are the most efficient biofertilizer as per the quantity of nitrogen fixed concerned. … Read more
Concept Definition Carbon sequestration Carbon sequestration is the process of removing carbon from the atmosphere and storing it in a fixed molecule in soil, oceans or plants. Carbon sink An organism or landscape that stores carbon is called a carbon sink. Carbon source An organism or landscape that emits carbon is called a carbon source. Climate change adaptation … Read more
WEST BENGAL Veteran Bengali Actress Supriya Devi Passes Away Veteran Bengali film actress and Padmashri awardee, Supriya Devi,passed away in Kolkata, following a severe cardiac arrest. She was 83. Supriya Devi made her debut in the Uttam Kumar-starrer Basu Parivar in 1952. She was also awarded the Banga Vibushan – the highest-ever civilian award given … Read more
Coral is actually a living animal. has a symbiotic relationship (each gives something to the other and gets something back in return) With ‘zooxanthellae’ microscopic algae which live on coral [i.e. instead of living on the sea floor, the algae lives up on the coral which is closer to the ocean surface and so … Read more
the understanding of laws in general and environmental laws in particular by the public is limited. This is partly because environmental laws are written using complicated language that is very difficult for the public to understand. many communities, organizations, and companies still operate for short-term gains, without consideration of long-term targets or impacts on the … Read more
They do not contain harmful chemicals that would cause air pollution. Components are replaced with others that are less dangerous and less harmful to the atmosphere. The idea was carried forward by a network of CSIR labs. The team came up with 3-4 formulations and looked at 30-40% of active materials which reduce particulate matter. … Read more
The Way Forward Renewable energy, which includes solar and wind, contribute 1% to our energy mix. Both are clean, sustainable and abundant sources of energy. The problem for both not becoming very popular has been the high cost of power. With technological improvements it has now reached levels where it is commercially viable to generate … Read more
An increase in the average temperature of Earth’s near surface air and oceans since the mid-20thcentury 4thassessment report of IPCC: global temperature increased 74+18 degree C during the 20thcentury. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more
Areas of marsh, fen, peatland/water, whether natural (or) artificial, permanent (or) temporary with water that is static (or) flowing, fresh, brackish (or) salt, including areas of marine water the depth of which at low tide does not exceed 6 mtrs. Wetlands Classification- Inland wetland- a)Natural- Lakes / Ponds, Ox-bow Lakes, Waterlogged, Swamp/marsh b) Manmade- … Read more
With an objective to conserve the Olive Ridley Turtles, the UNDP Sea Turtle Project was initiated by Wildlife Institute of India, Dehradun as the Implementing Agency in November 1999. The project is for 10 coastal state in India especially Odisha where it has contributed towards the preparation of a map of breeding sites of Sea … Read more