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 Edward Chamberlin's concept of excess capacity in monopolistic competition states that firms operating in monopolistically competitive markets often have production capacities that exceed their optimal or efficient levels. This excess capacity arises due to the presence of product differentiation and market power within the industry. In monopolistic competition, firms produce differentiated products that are not perfect substitutes for one another. Each firm has some control over the price of its product and faces a downward-sloping demand curve. As a result, firms strive to differentiate their products through branding, advertising, or other means to attract customers and create a perceived uniqueness. Chamberlin argued that firms in monopolistic competition have an incentive to maintain excess capacity as a strategic choice. By having spare production capacity, firms can quickly respond to changes in demand or market conditions without significant investments or disruptions in t...

If the red blood cells (RBCs) of human blood are isolated and diluted in normal saline, which is an isotonic solution to blood, the RBCs will remain intact and maintain their normal shape and function. An isotonic solution has the same concentration of solutes as the cytoplasm of the RBCs. When the RBCs are placed in an isotonic solution like normal saline, there will be no net movement of water across the cell membrane. As a result, the RBCs will neither shrink nor swell, and their osmotic equilibrium will be maintained. The shape of the RBCs, typically biconcave discs, will be preserved, allowing them to continue their vital functions, such as carrying oxygen and carbon dioxide throughout the body. In summary, diluting RBCs in a normal saline solution, which is isotonic to blood, will not cause any significant changes to the RBCs, and they will remain functional and retain their normal shape.

 The final color of the leaf after the described test would likely be a bluish-black color. The process described is a common laboratory experiment known as the iodine test for starch. When a leaf is plucked from a plant, it contains starch. The boiling water breaks down the cell membranes and denatures the enzymes, effectively stopping any metabolic processes. Boiling alcohol acts as a solvent to remove chlorophyll from the leaf. Finally, when the leaf is treated with iodine solution, it reacts with the remaining starch, resulting in the formation of a bluish-black color. This color change indicates the presence of starch in the leaf.

  Farzad-B Gas Field It is located in the  Persian Gulf  (Iran) and the contract for exploration of the field was signed in  2002  by an Indian consortium comprising  Oil and Natural Gas Corporation Limited (ONGC) Videsh, Indian Oil Corporation,  and  Oil India. The contract  expired in 2009  after the declaration of commerciality of the field, based on the gas discovery. Since then, the consortium has been  trying to secure the contract  for the development of the field. The  major dispute  between India and Iran was  over setting up of two pipelines,  and also over  money to be quoted  on the development plan. Around 75% of the deal was finalized by  May 2018,  when the  USA unilaterally withdrew from the nuclear deal and announced sanctions  on Iran. In  January 2020,  Iran clarified that it would develop the field on its own and would like to  involve India ap...

  Why in News? Recently,  Iran’s Port and Maritime Organisation  (PMO) has  conveyed to India a request  for locomotives and signaling equipment for the  Chabahar-Zahedan railway line. Iran has been facing  difficulty in procuring  them directly due to the  sanctions imposed by the USA. Iran has also asked India to activate the  USD 150 million credit  line which was offered to it by India during the Iranian President's visit in 2018. Chabahar Port It is located on the  Gulf of Oman  and is only  72 km away from the Gwadar port  in  Pakistan  which has been developed by China. The port serves as the  only oceanic port of Iran  and consists of  two separate ports named Shahid Beheshti and Shahid Kalantari. Points to Remember:- Background: In  May 2016,  India, Iran, and Afghanistan signed the  trilateral agreement  which entailed the establishment of  Transit ...

  Why in News? India has scored considerably low in the international  Academic Freedom Index (AFI)  with a score of 0.352. Academic freedom,  in general, refers to a scholar's freedom to express ideas without risk of official interference or professional disadvantage. Points to Remember:- About the Academic Freedom Index: It has been  published by Global Public Policy Institute  as a part of a global time-series dataset (1900-2019) in close cooperation with  Friedrich-Alexander University Erlangen-Nürnberg, Scholars at Risk, and the V‑Dem Institute. It  compares  levels of academic freedom worldwide and enhances the understanding of its curtailments. The AFI used  eight components  to evaluate the scores: the freedom to research and teach, freedom of academic exchange and dissemination, institutional autonomy, campus integrity, freedom of academic and cultural expression, constitutional protection of academic freedom, international...

  Tsunami These are a series of waves usually  generated by the movement of the seafloor.  These movements are  caused by different types of geophysical phenomena  such as  earthquakes ,  landslides,   and volcanic eruptions. The word tsunami is a  Japanese word,  represented by two characters: tsu, meaning, "harbor", and nami meaning, "wave". The tsunami waves behave very differently in deep water than in shallow water as their  speed is related to the water depth. They  frequently occur in the Pacific,  where dense oceanic plates slide under the lighter continental plates. When these plates fracture they provide a vertical movement of the seafloor that allows a quick and efficient transfer of energy from the solid earth to the ocean. Source:-  https://oceanservice.noaa.gov/

INCOIS was  established in 1999  as an  autonomous body  under the  Ministry of Earth Sciences. INCOIS  through Indian Tsunami Early Warning Centre (ITEWC) is the  nodal agency to provide tsunami advisories to India. It is coordinating with the Disaster Management Officials (DMOs) for implementation of  Tsunami Ready  programme in India. It conducts  IOWave Tsunami mock exercises biannually  to strengthen the readiness to handle emergency situations with stakeholders. INCOIS also identifies the  Potential Fishing Zones  (PFZ) for the fishermen community. It has also  made improvement in overcoming the cloud cover  through the usage of geostationary satellites and numerical modelling. INCOIS has also partnered with  Indian Space Research Organisation  (ISRO) and  Airports Authority of India  (AAI) to  develop a satellite-based message broadcasting service  through the indigenous navig...

  Why in News According to experts from the  Indian National Centre for Ocean Information System (INCOIS) , India is much safer against tsunami threats than it was in 2004, due to the establishment of a state-of-the-art tsunami early warning system at INCOIS. Key Points Indian Tsunami Early Warning System: The Indian Tsunami Early Warning System (ITEWS) was  established in 2007  and is based at & operated by INCOIS, Hyderabad. It is an  integrated effort  of different organizations including the Department of Space (DOS), Department of Science and Technology (DST), the Council of Scientific and Industrial Research (CSIR), Survey of India (SOI) and National Institute of Ocean Technology (NIOT). ITEWS comprises a  real-time network of seismic stations,  tide gauges and a  24X7 operational tsunami warning centre  to detect tsunamigenic earthquakes, to monitor tsunamis and to provide timely advisories to vulnerable communities. Indian s...

  Why in News? Recently, the  Election Commission  (EC) has found former Madhya Pradesh Chief Minister’s  remark on a woman politician violative of the Model Code of Conduct  (MCC). Points to Remember:- The MCC is a  set of guidelines issued by the EC to regulate political parties and candidates prior to elections. It helps EC in keeping with the  mandate it has been given under Article 324  of the Constitution, which gives it the  power to supervise and conduct free and fair elections  to the Parliament and State Legislatures. The MCC is  operational from the date on which the election schedule is announced until the date of result announcement. Evolution: The origins of the MCC lie in the  Assembly elections of Kerala in 1960  when the State administration  prepared a ‘Code of Conduct’ for political actors. Subsequently, in the  Lok Sabha elections in 1962,  the ECI  circulated the code  to ...

Why in News? 59 th  Raising Day of the Indo-Tibetan Border Police (ITBP). About the Indo-Tibetan Border Police (ITBP): Raised on 24 October, 1962 during India-China War, the ITBP primarily guards the nation’s 3,488 kilometer long borders in the Himalayas at the BOPs (border outposts) located at altitudes ranging from 3,000 to 18,800 feet. ITBP is deployed on border guarding duties from Karakoram Pass in Ladakh to Jachep La in Arunachal Pradesh. Apart from guarding the border, the Force is also deployed for anti-Naxal operations and other internal security duties. ITBPF is a specialized mountain force and most of the officers and men are professionally trained mountaineers and skiers. It is a border guarding police force specializing in high altitude operations. ITBP is headed by a Director-General who is an IPS officer. Being the first responder for a natural disaster, ITBPF has been carrying out numerous rescue and relief operations across the country. ITBP is a Central Armed Poli...

Why in News? PM inaugurated Kisan Suryodaya Yojana in Gujarat. Points to Remember:- The scheme is aimed at providing day-time electricity to the farmers in Gujarat for irrigation and farming purposes. It will provide 16 hours of power supply to farmers. Earlier, most of the farmers got power for irrigation in the night only and had to wake up all night. In Girnar and Junagadh, the farmers also face the problem of wild animals. Under the Kisan Suryodaya Yojana, farmers will get 3 phase power supply from 5 AM to 9 PM. The state government has allocated a budget of Rs.3500 crore for installing transmission infrastructure under this scheme by 2023. 234 ‘66-Kilowatt’ transmission lines, with a total length of 3490 circuit km (CKM) will be established under the project, in addition to 220 KV substations.

  World Polio Day  (October 24) provides an opportunity to highlight global efforts toward a polio-free world and honor the tireless contributions of those on the frontlines in the fight to eradicate polio from every corner of the globe. Through the Global Polio Eradication Initiative (GPEI), CDC works with partners to eradicate polio and end the suffering from this devastating disease. Stopping polio in all forms will require us to be resilient, adapt, and innovate to deliver a polio-free world. Resiliency and Innovation in the Face of Challenges This year the polio program has marked inspiring and important milestones, developments, and challenges for advancing progress toward polio eradication, including: Certification of the African Region as wild poliovirus-free in August Testing and preparation for the introduction of novel oral poliovirus type 2 vaccine (nOPV2), a new tool to stop outbreaks of circulating vaccine-derived poliovirus type 2 (cVDPV2). Supporting many count...