DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 10th November 2023
Archives (PRELIMS & MAINS Focus) Scabies Syllabus Prelims – SCIENCE AND TECHNOLOGY Context: Recent reports suggest that Malawi is battling an outbreak of scabies. Hospitals register thousands of people with infectious skin disease, months after a wave of cholera swept African country. About Scabies:- Scabies is a skin disease caused by a parasite named Sarcoptes scabie which is a tiny insect about 0.3 mm long called a mite. The female parasite burrows under the skin. It begins laying eggs within 2-3 hours of infection and generally lays 2-3 eggs daily. The eggs hatch and become adult mites (a term referring to this parasite) within 10 days. Scabies is a relatively contagious infection caused by a tiny mite (Sarcoptes scabie). Transmission is from person to person more by close skin contact. Symptoms:– Severe itch Itchy lines and bumps on the fingers, wrists, arms, legs, and belt area Larger rash in infants and small children, including on the palms, soles of the feet, ankles, and scalp. A more severe type of scabies, called crusted scabies, makes the skin crusty and scaly and affects large areas of the body. Treatment:- Several types of lotions (usually containing 5% permethrin) can be applied to the body and left on for 12-24 hours. One topical application is usually sufficient, although the scabicide may be reapplied after a week if mites remain. Itching can be lessened by the use of calamine lotion or antihistamine medications. Prevention:- Good hygiene is essential in the prevention of scabies. (Non-Communicable Diseases (NCDs)) MUST READ: Type 1 diabetes SOURCE: THE GUARDIAN PREVIOUS YEAR QUESTIONS Q.1) Consider the following statements in respect of probiotics: (2022) Probiotics are made of both bacteria and yeast. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut. Probiotics help in the digestion of milk sugars. Which of the statements given above is/are correct? 1 only 2 only 1 and 3 2 and 3 Q.2) Which one of the following statements best describes the role of B cells and T cells in the human body? (2022) They protect the environmental allergens. body They alleviate the body’s pain and inflammation. They act as immunosuppressants in the body. They protect the body from the diseases caused by pathogens. Awaous Motla Syllabus Prelims –ENVIRONMENT AND ECOLOGY Context: Researchers discover new freshwater fish species ‘Awaous Motla’ in Odisha’s Mahanadi River. Background:- A group of scientists has discovered that an edible freshwater fish, available in the markets of western Odisha, is actually an unregistered species. About Awaous Motla:- The species belongs to the family ‘Awaous’ (Oxudercidae), thus named Awaous motla and ‘motla’ by fishermen. The fish has a vibrant yellow-coloured body and a fleshy upper lip. Can be consumed both fresh and dried. It was discovered from the Mahanadi River. It is one of the major east-flowing peninsular rivers in India. The river originates from the Sihawa range of hills in the Dhamtari district of Chhattisgarh state. MUST READ: Zebrafish SOURCE: TIMES OF INDIA PREVIOUS YEAR QUESTIONS Q.1) ‘Microsatellite DNA’ is used in the case of which one of the following? (2023) Studying the evolutionary relationships among various species of fauna Stimulating ‘stem cells’ to transform into diverse functional tissues Promoting clonal propagation of horticultural plants Assessing the efficacy of drugs by conducting a series of drug trials in a population Q.2) Which of the following is not a bird? (2022) Golden Mahseer Indian Nightjar Spoonbill White Ibis Jericho Missile System Syllabus Prelims –DEFENSE Context: Recently, a call was given by an Israeli lawmaker suggesting deploying a ‘ Jericho Missile System’ against Hamas and Palestine in the ongoing war. About Jericho Missile System:- Jericho is Israel’s original ballistic missile programme, initiated in the 1960s. It was named after the biblical city located in the West Bank. This programme was initially a collaboration with the French aerospace company Dassault, but when France withdrew in 1969, Israel continued its development. Jericho-1 Missile System:- The Jericho-1 missile system, retired in the 1990s. It had a weight of 6.5 tons, a length of 13.4 meters, and a diameter of 0.8 meters. Jericho-1 missile system had a range of 500 kilometres. It could carry a 1,000-kilogram payload, though it had a 50 per cent chance of hitting within a 1,000-meter radius of its target. Jericho-2 Missile System:- It was developed in the late 1980s. It has a length of 15 metres and a diameter of 1.35 metres while maintaining the same payload capacity and range between 1,500 and 3,500 kilometres. It has the same payload capacity as Jericho-1. Jericho-3 Missile System:- It is the first Israeli Intercontinental Missile (ICBM). It was first tested in 2008 and entered service in 2011. The payload capacity extended to about 1,300 kilograms. It has a range of 4,800 to 6,500 kilometres. MUST READ: BrahMos Missiles SOURCE: MSN PREVIOUS YEAR QUESTIONS Q.1) Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in media? (2022) A hypersonic missile is launched into space to counter the asteroid approaching the Earth and explode it in space. A spacecraft lands on another planet after making several orbital motions. A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth. A spacecraft moves along a comet with the same surface. speed and places a probe on its Q.2) With reference to India’s satellite launch vehicles, consider the following statements: (2018) PSLVs launch satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth. GSLV Mk III is a four-stage launch vehicle with the first and third stages using solid rocket motors, and the second and fourth stages using liquid rocket engines. Which of the statements given above is/are correct? 1 only 2 and 3 1 and 2 3 only Alcalus fontinalis Syllabus
DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 10th November 2023 Read More »